THE HORSE FLIES and DEER FLIES of CALIFORNIA (Dipera-Tabanidae)

BULLETIN OF THE CALIFORNIA INSECT SURVEY

VOLUME 1, NO. 1

THE HORSE FLIES AND DEER FLIES OF CALIFORNIA (Dipera-Tabanidae)

BY W. W. Middlekauff

UNIVERSITY OF CALIFORNIA PRESS BERKELEY AND LOS ANGELES

1950 BULLETIN OF THE CALIFORNIA INSECT SURVEY

Editors: E. 0. Essig, S. B. Freeborn, E. G. Linsley, R. L. Usinger

Volumne 1, No. 1, pp. 1-000, 1 plate

Submitted by Editors, March 3, 1950

Issued- June 30, 1950 Price, 35 cents

UNIVERSITY OF CALIFORNIA PRESS

BERKELEY AND LOS ANGELES

CALIFORNIA

CAMBRIDGE UNIVERSITY PRESS

LONDON, ENGLAND

PRINTED BY OFFSET IN THE UNITED STATES OF AMERICA THE HORSE FLIES AND DEER FLIES OF CALIFORNIA

(Diptera-Tabanidae)

BY W. W. Middlekauff

(Division of Entomology and Parasitology. University of California, Berkeley)

It has been felt for some time that a key erous help of Dr. C. B. Philip of the Rocky to the Tabanidae of California with a list of Mountain Laboratory, U. S. Public Health Ser- collection records would be of value and would vice, Hamilton, Montana, for checking the stimulate further field work on these important identification of various species. insects. The monographs of Brennan (1935)* and Stone (1938) and the catalog of Philip (1947) summarize knowledge of the group for the Nearc- KEYS TO THE TABANIDAE OF CALIFORNIA tic Region and provided the basis for the present paper. However, these works are not readily 1. Hind tibiae with two aplcal, usually available to students and field collectors re- strong spurs...... moved from library facilities. In addition, ...... Subfamily Pangoniinae Loew 2 they cover a wide area which is usually of no -. Hind tibiae without apical spurs. .... immediate concern to the student of California ...... Subfamily Tabaninae Loew 8 insects. By restricting the keys to a smaller geographical-areait is hoped that the inter- 2(1). Antennae 10 segmented; flagellum with 8 ested student will find it a simple matter to divisions (7 annuli), the basal one not identify most California Tabanidae. greatly differentiated from adjoining annulus ....Tribe Pangoniini End. 3 Since the publication of the above-men- Antennae with not over 7 segments; fla- tioned papers several new species and subspecies gellum with 5 divisions (4 annuli), have been described and additional species have basal segment considerably elongated been recorded from California for the first (fig. E); usually slender, picture- time. There are now some sixty species and winged flies. . Tribe Chrysopini End. 6 seven subspecies recorded from the state. It is hoped that this paper will stimulate interest Proboscis hardly half the height of the and facilitate identification of California head; palpi usually shorter than the Tabanidae and will result in additional state antennae and apical segment swollen and county records. basally ...... 4 Proboscis about equal to height of the Previously published records are not given head; palpi subequal to length of the except for holotypes. All locality records are antennae, half or less that of the pro- based upon specimens in the following collec- boscis, apical segment not swollen tions: the California Insect Survey, University basally ...... 5 of California, Berkeley (C.I.S.); CaliCornia Academy of Sciences (C.A.S.); University of Eyes bare or only slightly pilose; wings California, Collegs of Agriculture, Davis hyaline ....Apatolestes 2.(p.2) (U.C.D.).; State Department of Agriculture, Sac- Eyes and body abundantly pilose; wings ramento (C.S.D.A.); and Department of Entomology, fumose. . .Brennania hers (0. S.)(p. 8) San Jose State College (S.J.C.). 5(3). Eyes pilose (short in 2); stump vein The keys have been modified from those of (fig. A) present. . Pilimas Bren. (p.3) the following workers; Brennan (1935); Philip -. Eyes bare; stump vein often absent. ... (1941); Philip (1947); Stone (1938) and Pechu- ...... Stonemyia Bren. (p.3) . man (1938). 6(;?).Eyes in life (or relaxed) "freckled" with I am indebted to the officials of the above small rounded spots; flagellum at least institutions for their cooperation in permitting longer than pedicel, the latter only roe to study the specimens in their custody. I about one half as long as scape ...I also gratefully acknowledge the prompt and gen- -. Eyes in life (or relaxed) with large angular spots; scape and pedicel usual- CLlterature Cited, p. 21. ly subequal, the flagellum as long or r11 2 BULLETIN OF THE CALIFORNIA INSECT SURVEY

longer than either, wings usually with 2(1). Front basally inflated, shining black or irregular, extensive dark pictures. ... dark brown, pollinose only at the ver- ...... Chrysops Meig. (p.3) tex around the ocelli ...... 3 -. Front either normally pollinose, or with 7(6). Flagellum longer than 2 basal segments a bare restricted area, not with a combined...... Silvius Meig. (p.3) callus-lise swelling above the sub- -. Flagellum about three-fourths as long as callus...... 5 scape alone...... Silvius subg. Zeuximyia Pech. (p.10) 3(2). Body entirely subshining black, the wings smoky ...... er Bren. (p- 8) 8(1). Scape considerably longer than thick; eyes -. Body grayish to dull blackish, only the in life (or relaxed) and wings with ir- costal cell sometimes infuscated. ..4 regular bands and spots; flagellum of antennae with 4 divisions (3 annuli) . . 4(3). Costal cell hyaline, palpi with pale ...... Tribe Chrysozonini Philip, hairs. . comastes comastes Will. (p.8 ) Chrysozona Meig. (p. 5) -. Costal cell infuscated; palpi usually -. Scape scarcely longer than thick; eyes in with some black hairs ...... life banded or unicolorous; flagellum ....comastes willistoni Bren. (p. 8) usually with 5 divisions (fig. D), (rarely fewer by apical fusion of annuli 5(2). Scutellum yellowish ...... 6 and then wings hyaline)...... -. Scutellum blackish or cinereous ....7 ...... Tribe Tabanini End. 9 6(5). Flagellum black; front entirely pollinose g(8). Flagellum modified with 2 to 3 terminal when not irregularly worn ...... annuli, the articulations more or less ...... -. . --parkeri Philip (p. 8 ) fused and indistinct; length 9.5 to -. Flagellum mostly yellow; front with an llmm.; abdominal tergites 11-VI with expansive bare area ...... three rows of small spots and ppsterior ...... albipilosus Bren. (p. 7) margins gray...... Glaucops fratellus (Will.)(p.l4) 7(5). Front very wide, height and basal width -. Flagellum normal, 4 distinct annuli; small subequal; a narrow mesal, bare brown to large flies; abdomen otherwise . . 10 streak about two-thirds its height; cheeks unusually swollen...... 10(9).Vertex (9) with a distinct, denuded ocel- ...... -colei Philip (p. 8) lar tubercle (fig. F), or (8) with an - -. Front narrower, about 1:2 or 2:5, the elevated, anteriorly shining tubercle bare area more expansive...... 8 (in doubtful cases eyes are densely pilose); eyes usually distinctly pilose. 8(7). Body predominantly gray; wings subhyaline; ...... Hybomitra End. (p. 6) midfrontal bare area widely separated -. Vertex without such tubercle(flat, de- from eye margins. .- Bren.' (p. 8 ) nuded ocellar area may be present) if -. Body predominantly brownish or darker; raised in 8 then completely pollinose; wings fumose, bare area almost touching eyes bare, or sparsely but seldom eye margins. ....hinei Bren. (p. 8) densely (certain males) pilose ... .11 g(1). Wings hyaline with or without infuscated 11(1O).Eyes yellow or brown, distinctly pilose, costal cella or isolated clouds; at particularly in males; front (9) with least pleural hairs largely whitish. 10 callosities reduced to small isolated -. Wings smoky, or palpal and pleural hairs bare spots; a single diagonal dark band black ...... 14 on eyes, often showing even in dried specimens ...... lO(g).Costal cell fumose, distinctly darker . .Atylotus incisuralis (Macquart)(p.l4) than remainder of wing...... 11 -. Eyes blackish when dried (certain males -. Costal cell completely hyaline. ... .12 only lower area of small facets); bare or sparsely hairy, either unbanded or 11(1O).Size not over 11 mm.; femora usually with more than one purple band in life; dark. .comastes willistoni Bren. (p.8) front of 0 with a broad basal callus -. Size over 11 mm.; legs often concolorous (fig. P)...... Tabanus Linn. (p. 7) brownish. ....comastes form ? (p.8)

12(10).Palpi truncated apically, short and Genus Apatolestes Williston] stubby (hairs sparse)...... simills Bren. (p. 8) I. Females; eyes not contiguous...... 2 -. Palpi elongated, more slender (sometimes obscured bv dense Dile) 13 -. Males; eyes contiguous...... 9 lornI -..... - "Tabanus vlllosulus Bigot (Callf.) has been doubtfully 'Apatolestes Philip is omitted from key because synonymized wlth slmilis (Philip, Bull. Brook. Ent. Soc., no specimens were seeti. Ann. Amer. Ent. SOC. &:451, 1949. %:196, 1941). THE HORSE FLIES AM> DEER FLIES OF CALIFORNIA 3

Size 14 mm. or over; palpal and facial Basal callus about one-half widthmf vestiture dense. . cole1 Philip (p. 8) front, broadly separated from eyes; Size under 14 mm. these hairs not veins R2 -b 3, R4 R with subapical especially dense ...... spot ... .quadrivi?tatus (Say) (p.10) ....comastes comastes will. (p.8) Basal callus distinctly more than one- half width of front, narrowly sepa- Shining black species. 5rBren. (p. 8) rated from eyes; veins %+3, Rqr R5 Dull black species with pale abdominal without subapical spot ...... incisures...... hinei Bren. (p. 8) ...... notatus (Bigot)(p.lO) Scape robust; flagellum about as long Genus Pilimas Brennan as scape (Subg. Zeuximyia)...... Philip1 Pech. (p.10) 1. Front subparallel, not divergent below; Scape slender; flagellum about twice as antennae, palpi and legs reddish in- . long as scape ...-say1 Bren. (p.10) cluding their vestiture...... beameri Philip (p. 8 ) Wings immaculate; orange species. ... -. Front divergent below; apical half of ...... gigantulus (Loew)(p. 9) flagellum black; palpi with black Wings maculate; gray species. ....7 hairs; legs fuscous with dark vestiture. ... .californica (Bigot)(p. 8) Abdomen predominantly yellowish; subapical spots on veins %+ R4 R ; not densely haired speciezi vehte? of Genus Stonemyia Brennan abdomen with three rows of spots...... quadrivittatus (Say)(p.lo) 1. Large robust species (15 mu.), black; Abdomen predominantly dark; no sub- the mesonotum of female clothed with apical spots on veins R2+3, R4, R5; pale-yellow pile; wing dark brown; a thorax and base of abdomen with long patch of pale-yellow hair on middle of white hair; venter of abdomen mostly , posterior margin of second tergite . . dark or with a broad dark median ...... velutina (Bigot)(p. 9) band ...... notatus (Bigot)(p.lO) Body length usually less than 15 nun; body yellowish or orange with or without black markings ...... 2 Genus Chrysops Meigen

Proboscis long, at least equalling width Females; eyes not contiguous .... 2 of head; abdomen orange with black Males; eyes contiguous ...... 25 markings; legs black ...... tranquilla fera (Will.)(p. 9) Apex of wing beyond crossband hyaline, Proboscis shorter than width of head; sometimes Just a trace of a cloud abdomen and legs golden yellow ...3 confined to cell R1...... 3 Apex of wing beyond crossband dis- Entire thorax dark, the first tergite tinctly infuscated ...... 6 and terminal tergites and sternites predominantly so; spots on segments Femora banded in middle with reddish 11-IV variable ...... brown; abdomen greenish yellow with ...(male)3 ruficornis (Bigot)(p. 9) black markings ...... Integument of entire body and legs con- ...... hirsuticallus Phil. (p.12) colorous yellowish ...... Femora black; abdomen otherwise. .. 4 .... .(male) abau-us Philip (p.9) Pile of pleurae golden yellow or orange; basal abdominal tergites laterally Genus Silvius Meigen orange ....excitans Walker (p.12) Pile of pleurae whitish to gray; abdo- Female\s; eyes not contiguous .....2 men black with or without grayish Males; eyes contiguous ...... 6 pile ...... 5 Wings immaculate; orange species .... Base of cell Cul with a small hyaline ...... gigantulus (Loew)(p. 9) spot ....carbonaria Walker (p.11) Wings maculate; gray species .... -3 Base of cell CUI infuscated; large ob- scure gray middorsal triangles more Costal cell hyaline...... 4 likely to be present...... Costal cell infuscated ...... 5 ...... mitis 0. s. (p.12) 3Females of abaureus and ruficornis are extremely dif- ficult to separate. See Philip. Proc. Ent. SOC. Wash. Basal callus orange or orange with lat- 5114, 1941. eral and upper margins black. ...7 4 BULLETIN OF THE CALIFORNIA INSECT SURVEY 6(2).* Basal callus entirely black .....14 16(15). Crossband abbreviated in cell M3 and with a distinct tooth-like projection Hyaline triangle attains posterior from the crossband in cell R, .... margin of wing (fig. C) ...... 8 ...noctifera pertinax Will. (p.13) Hyaline triangle enclosed, does not at- - Crossband practically complete to hind tain posterior margin of wing .... margin of wing and without a tooth- ...... fulvaster 0. 3. (p.12) like projection ...... pechumani Philip (11.13) Knob of halteres brown or black; scape not incrassate...... 17(14). Radial cell hyaline, may be small ...... coloradensis Bigot (p.11) amount of infuscation at base and Knob of halteres yellow; scape*-incras- apex...... 18 sate...... 9 - Radial cell infuscated over more than half its area ...... 19 First segment of flagellum distinctly longer than the sum of the four apical 18(17). First abdominal tergite black, postero- segments; outer margin of crossband lateral margins may be gray ..... sinuous with tooth-like projections in .... .aestuans van der Wulp (p.10) cells R3 and MI ...... First abdominal tergite yellow with ...... virgulata Bell. (p.14) brown quadrate spot on antero-median -. First segment of flagellum not longer margin .....bishoppi Bren. (p.11) than the sum of the four apical segments; outer margin of crossband 7). Discal cell (1st M2) infuscated .. .20 evenly convex or with no projection in Discal cell hyaline, may be infuscated R3...... 10 around borders. discalis Will. (p.12) Apical spot of wing exceeds vein R ... 9). Second abdominal tergite with a small ...... clavicornis Bren. fip.11) black antero-median quadrate or reni- Apical spot of wing not exceeding vein form spot, the remainder of the seg- R5, as a rule occupying about half of ment yellow; face black with 3 yellow cellR4...... 11 pollinose stripes ...... asbestos Philip (~110) - ll(10). Second abdominal tergite typically with Second abdominal tergite otherwise double geminate black spot; outer marked; face with some integumental margin of crossband sinuous ..... yellow...... 21 ...... robusta Bren. (p.14) - Second abdominal tergite with single 21(20). Radial cell with an infuscated band for geminate spot; outer margin of cross- its entire length, sometimes dilute band straight ...... 12 towards outer two-thirds; a narrow hyaline line on posterior border, 12(11). Scape much enlarged, widest diameter al- widest apically; fore coxae black. 22 most twice that of pedicel (fig. E). . - Radial cell with apical third hyaline; ...... coquilletti Hine '( p.11) fore coxae yellow ...... - Scape enlarged but widest diameter not ...... furcata Walker (p.12) much more than pedicel...... 13 22(21). Second abdominal tergite with an iso- 13(12). Abdominal tergites caudad from I11 with lated black spot laterad to geminate black lateral spots ...... spot...... 23 . . pachycera hungerfordi Bren. (p.13) Sides of second abdominal tergite en- - Abdominal tergites caudad from I11 with- tirely yellow or the black spot en- out black lateral spots ...... larged and connected with the median ...pachycera pachycera Will. (p.13) figure...... 24 14(6). Cell.2M infuscated over at least half Apical spot beyond crossband narrow, its length; abdominal tergites with no not wider than the basal width of yellow on mid-line...... 15 cell MI; yellow stripe on fronto - Cell 2M hyaline, may be some infuscation clypeus narrow. . .surda 0. S. (p.14) at base and apex; abdominal tergites Apical spot beyond cross band wide, with yellow markings on mid-line and about twice the basal width of cell posterior margins ...... 17 MI; yellow spot on fronto clypeus wider than lateral brown lobes. ... 15(14). Dorsum of abdomenwith orange spot on .. .proclivis proclivis 0. S. (p.13) antero-lateral margins ...... , noctifera noctifera 0. s. (p.12) Abdominal tergite I11 with four, more - Dorsum of abdomen black ...... 16 or less distinct black spots; yellow THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 5

spot on fronto clypeus wider than lat- shorter than scape ...... eral brown lobes ...... virgulata Bell. (p.14) ...proclivis imfurcata Philip (p.14) - Annulate portion of flagellum not Abdominal tergite I11 black except for shorter than scape, usually longer. . narrow yellow stripe near incisure; ...... 36 yellow spot on fronto clypeus reduced to a very narrow line...... 36(35). Apical spot of the wing extending at .....proclivis picea Philip (p.14) least into cell %...... 37 - Apical spot of the wing not extending Apex of the wing beyond the crossband beyond vein R5, usually not even at- hyaline ...... 26 taining this vein ...... 38 Apex of the wing beyond the crossband more or less infuscated ...... 29 37(36). Antennae yellowl.-h, the scape distinctly bottle-shaped; second abdominal ter- Base of cell. Cul typically with a hya- gite yellow with a median broad black line spot. . .carbonaria Walker (p.11) geminate figure and a black spot on Base of cell Cul infuscated .....27 each side. . clavicornis Bren. (p.11) - Antennae black, scape not bottle-shaped; Abdominal tergites with some yellowish second abdominal tergite not pat- pubescence, especially near the apex terned as above...... and forming median triangles ...... fulvaster 0. S. (p.12) ...... excitans Walker (p.12) Abdominal tergites black pubescent . .28 38(36). Second abdominal tergite with a double geminate black figure ...... Mid tibiae black. ..mitis 0. S. (p.12) ...... robusta Bren. (p.1.4) Mid tibiae reddish brown ...... - Second abdominal tergite without a ...... hirsuticallus Philip (p.12) double geminate black figure. ...39

Apical spot approximately the same width 39(38), Second abdominal tergite with lateral for its entire length, including only black spots...... the apex of cell R4 ...... 30 . .pachycera hungerfordi Bren. (p.13) Apical spot not as above, variable, _. Second abdominal tergite without lat- usually including nearly half of cell eral black spots ...... 40 R4, often extending considerably beyond middle of cell ...... 34 40(39). Cell 2M infuscated subequally with R; crossband sometimes fenestrate; ab- Wholly black species; fronto clypeus dominal tergites I11 and IV rarely black; apical spot practically sepa- with a black spot on each side ... rated from the crossband ...... pachycera pachycera Will. (p.13) ... .noctifera pertinax Will. (p.13) -. Cell 2M infuscated about one-half that Not wholly black species; fronto clypeus of R; crossband never fenestrate; ab- yellow; apical spot distinctly united dominal tergites I11 and IV always with the crossband ...... 3l with a black spot on each side ...... coquilletti Hine (p.11) Fronto clypeus and oral margins of genae yellow ...... 32 41(34). Discal cell (1st M2) hyaline ..... Fronto clypeus and oral margins of ...... discalis Will. (p.12) genae not entirely yellow, usually -, Discal cell infuscated ...... 42 with a black spot on each side. ..33 42(41). Body jet black. .pechumani Phil. (p.13) Wing picture dilute ...... _. Body not entirely black...... 43 ...... bishoppi Bren. (p.11) Wing picture saturate ...... 43(42). Abdominal tergite I1 with a double .....aestuans van der Wulp (p.10) geminate spot...... coloradensis Bigot (p.11) Pronto clypeus black with a narrow - Abdominal tergite I1 with a small black yellow midstreak. . se0. S. (p.14) antero-median quadrate spot .... - Fronto clypeus yellow with a black spot ...... asbestos Philip (p.10) on each side...... proclivis proclivis 0. S. (p.13) Genus Chrysozona Meigen 34(29). Antennae incrassate (distinctly swollen) (fig. E) ...... 35 1. Size medium, 9-1Omm.; tibiae with pale -. Antennae not incrassate...... 4l rings broad, those of the fore pair occupying at least the basal third; 35(34). Annulate portion of flagellum much pale sinuous, subapical wing band not 6 BULLETIN OF THE CALIFORNIA INSECT SURVEY

1. reaching hind margin; fore tibiae not yellowish hair usually sparse except (cont.) greatly swollen : ...... along incisures ...... americana (0. S.) (p.14) . . sonomensis phaenops (O.S.) (p.18) Size small, 6-7.5mm.; tibial rings very narrow the anterior rings not over the 8(5). Subcallus pollinose ...... basal fourth of the fore tibiae; sub- ...... haemaphora (Marten) (p.15) apical wing band crossing to hind -. Subcallus denuded ...... margin; fore tibiae strongly dilated ...... captonis (Marten) (p.15) ...... n.sp.- Philip MS 9(3). Subcallus denuded, shining...... 10 -. Subcallus pollinose ...... 12 Genus Hybomitra Enderlein' lO(9). Prescutal lobe black...... Females; eyes not contiguous .....2 ...... rhombica (O.S.) (p.16) Males; eyes contiguous ...... 13 - Prescutal lobe reddish brown. ....11

Entirely black, including pubescence and ll(10). Stump vein usually present; length 15m. pollinosity. . .Procyon (0. S.) (p.16) or more; frons usually over three and Not entirely black ...... 3 one-half times as high as width at base. .tetrica tetrica (Marten)(p.l7) Abdomen broadly orange brown laterally, -. Stump vein usually absent; length 14mm. tergites I1 and I11 usually unicolor- or less; frons about three times as ous orange to margins; the median high as width at base ...... black area usually constricted on ter- ...... melanorhina (Bigot) (p.15) gite 111; sublateral pale spots not conspicuous...... 4 12(9). Stump vein usually present; pollen of Abdomen not broadly orange laterally; if . head gray ...... paler laterally, the median dark area ....tetrica hirtula (Bigot)(p.l7) is rather broad and not constricted on -. Stump vein rarely present; pollen tergite 111; sublateral pale spots, if around face usually faintly tinged present, distinct...... 9 with yellowish...... opaca (Coquillett) (p.15) Hind tibial fringe well developed, mostly golden orange; length usually 18m. l3(l). Entirely black including palpus .... or more; prescutal lobe yellowish...... procyon (0. s.) (p.16) ...... callfornica (Marten) (p.15) - Not entirely black...... 14 Hind tibial fringe weak, or, if well developed, not golden orange, fre- 14(13). Abdomen broadly orange brown laterally, quently black; prescutal lobe reddish, the median black area usually con- usually less than 18m ...... 5 stricted on tergite 111; sublateral pale spots not conspicuous. ....15 Antenna black, rarely with a little - Abdomen not broadly orange brown lat- orange on second and base of third erally; if paler laterally, the segments; third segment narrow, with median dark area rather broad and not obtuse dorsal angle and little if any constricted on tergite 111; sublat- dorsal excision; vein R4 often with a era1 pale spots, if present, distinct stump...... 6 ...... 18 Not with this combination of characters...... 8 15(14).'Antennae red with black annuli...... californica (Marten) (p.15) Frons slightly less than three times as - Antennae with black more extensive. .16 high as wide, the sides nearly parallel...... philipi (Stone) (p.16) 16(15). Venter with black hair rather sparse, Frons about four times as high as width and, at least sublaterally a consid- at base, usually somewhat divergent erable amount of yellowish hair . .17 above ...... 7 - Venter with only black hair ...... sonomensis phaeno3s (O.S.)(p.17) Venter of abdomen with mostly yellowish hair, although there may be some 17(16). Second sternite with a large black scattered black hairs medianly .... median spot; second palpal segment . sonomensis sonomensid (o.~.)(p.16) stout, but apex not acute ...... Venter of abdomen nearly uniformly . .sonomensis sonomensis (0.~.)(p.16) clothed with fine black hair, the - Second sternite with scarcely any black medianly; second palpal segment stout, 4The following species are not included in the key to the males either because this sex is unknown or because with apex acute ...... specimens were unavailable: captonls and philipi...... haemaphora (Marten) (p.15) THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 7

18(14). Prescutal lobe black (subcallus denuded) - Eyes bare; median spot on tergite I1 ...... rhombica (O.S.) (p.16) rectangular ...... 9 -. Prescutal lobe pale, reddish orange. .19 9(8). Outer hind tibial fringe mostly black; ig(18). Subcallus denuded ...... body markings contrasting; front ...... melanorhina (Bigot) (p.15) usually evenly convergent ...... Subcallus pollinose ...... 20 ...lineola scutellaris Wlk. (p.18) _. Outer hind tibial fringe mostly white, Stump vein present...... body color faded in appearance, the ...... tetrica (Marten) (p.17) middorsal stripe not especially paler Stump vein absent . .opaca (Coq.).(p.15) than the sublateral ones; frontal margins rather bowed in the middle. . . .vittiger nippontucki Philip (p.19) Genus Tabanus Linnaeus lO(1). Eyes pilose ...... ll Females; eyes not contiguous .....2 - Eyes bare, or only sparsely pilose. .12 Males; eyes contiguous ...... 10 ll(10). Abdomen with a medaan row of pale spots Abdominal tergites with both median and forming a parallel-sided stripe; sublateral pale spots, those of median upper eye facets greatly enlarged . . row may be contiguous but do not form . .vittiger nippontucki Philip (p.19) a parallel-sided stripe...... 3 -. Abdomen without. a parallel-sided stripe; Abdominal tergites without sublateral four black spots on abdominal tergite pale spots or median row of spots con- 11; upper eye facets not greatly en- tiguous forming a parallel-sided larged...... laticeps Hine (p.17) stripe...... 4 12(10). Abdomen unicolorous, black (rarely a Eyes sparsely pilose (high power); median row of small whitish-haired furcation without a black spot .... triangles)...... I3 ...... laticew Hine (p.17) - Abdomen not unicolorous ...... 15 Eyes bare; furcation with a black spot ...... monoensis Hine (p.18) 13(12). Mesonotwn black; no spot at furcation ...... 14 Abdomen unicolorous black or rarely with _. Mesonotum bordered by a band of whitish a median row of small whitish pile, spot at furcation ...... triangles ...... 5 ...... punctifer 0. s. (p.18) Median dorsal row of spots contiguous, forming amore or less distinct paral- 14(13). Eyes with distinct upper area of en- lel-sided stripe...... 7 larged facets; a tuft of white hairs beneath scutellum on tergite I. ... Furcation without a distinct dark spot, ...... kesseli Philip (p. 20) although entire wing may be infuscated; _. Eyes with upper facets but little dif- mesonotum and fore tibiae black , . 6 ferentiated; abdomen entirely black- Furcation usually with a distinct dark haired. ...aegrotus (0. s.) (p.17) spot; mesonotum covered with creamy hair over a dark-reddish background; 15(12). Abdomen with a median row of pale spots fore tibiae bicolored...... forming a parallel-sided stripe . .16 ...... punctifer 0. S. (p.18) - Abdomen not so colored; furcation with a dilute infuscated spot ...... At least tergite I with an inconspicuous ...... monoensis Hine (p.18) tuft of white hairs beneath the scutellum: frontal callosity subquadrate, 16(15). Stump vein present; antennae mostly the median callus narrow ...... black .....productus Hine (p.18) ...... kesseli Philip (p. 20) -. Stump vein absent; antennae pale ... None of tergites with median tufts of ...lineola scutellaris Wlk. (p.18) white hairs; frontal callosity merging broadly with median callus above . . , ...... aegrotus (0. S.) (p.17) Apatolestes albipilosus Brennan Base of vein R4 with stump vein...... productus Hine (p.18) Apatolestes albipilosus Brennan, 1935, Univ. Base of vein R4 without stump vein . . 8 Kans. Sci., Bull., 32371. Type, 9, Lemon Cove, Calif. Male unknown. Eyes pilose; median spot a triangle on States recorded from: Calif. tergite 11. ...stonei Philip (p.19) California records: No specimens seen. a BULLETIN OF THE CALIFORNIA INSECT SURVEY

Apatolestes ater Brennan California records: MARIPOSA CO.: Yosemite National e,5, Apatolestes =r Brennan, 1935, Univ. Kans. Sci. VII-24-48 (C.I.S.). Bull., 22:371. Type, 2, San Diego, Calif. Siates recorded from: Calif. Apatolestes parkeri Philip California records: LOS ANGELES CO.: Mint Canyon, 9, VI-22-49 Apatolestes parkeri Philip, 1941, Bull. Brook. (H. E. Cott, C.I.S.). Ent. SOC.,~~. Type, 6, Ehrenberg, Ariz. RIVERSIDE CO.: Morongo V., 9, V-23-41; 8, States recorded from: Ariz., Calif. V-24-41 (E. C. VanDyke, C.A.S.). California records : Vandeventer Flat, Santa Rosa Mts., 9, VI-11-40 IMPERIAL CO.: Meloland, 9, VI-9-49 (R. v. d. (Adachi, C.A.S.). Bosch, C.I.S.). RIlkRSIDE CO. : Blythe, 39, VI-23-45; $, Apatolestes colei Philip VI-23-45 (C.I.S.).

Apatolestes colei Philip, 1941, Bull. Brook. Ent. Apatolestes similis Brennan Soc., %:192. Type, 9, La Quinta, Calif. States recorded m: Calif. Apatolestes similis Brennan, 1935, Univ. Kans. California records: No specimens seen. Sci. Bull., 2:374. Type 9, Los Angeles Co., Calif. Apatolestes comastes comastes Williston States recorded from: Ariz., Calif., Utah. Apatolestes comastes Williston, 1885, Ent. Amer., California records: -1:12. Cotypes, 29, Calif. CONTRA COSTA CO.: Antioch, 8, IX-8-48 (P. D. Hurd, C.I.S.). States recorded from: Calif'. California records: LAKE CO.: Hullville, 9, VI-1917 (C. Reynolds, C.A.S.). Brennania hz(Osten Sacken) LASsEN CO.: E. W. Blue Lake, 9, VII-19- 2 g. Pangonia hera Osten Sacken, 1877, West. Dipt., 47 (R. L. Usinger, c.I.s.T. p. 214?ype, San Francisco, Calif. MARIPOSA CO; : Yosemite VI-28-21 9, m., 0, States recorded Calif. (E. C. VanDyke, C.A.S.). from: California records : RIVERSIDE CO. : Santa Rosa 8000'elev., e., MONTEREY CO. : Camel, VIII-21-21 (L. S. 39, VI-22-40 (E. C. VanDyke, C.A.S.). 9, Slevin, C.A.S.). Pinyon Flat, 9, VI-21-41 (E. C. VanDyke, C.A.S.). SAN FRANCISCO CO. : Szn Francisco, 29, Pine Flat, Sari Jacintp Mts, $, VI-15-40 (C. D. VII-24-20 (E. P. Van Duzee, C.A.S.); 8, VII-19- Michener, C.A.S.). 28 (E. G. Linsley, C.A.S.); VII-25-25 (H. SAN BERNARDINO CO.: Cajon Pass, g, VI-27-41 38, H. Keifer, C.A.S.); IX-35 (E. S. Ross, C.A.S.). (E. 6. VanDyke, C.A.S.). a, Lone Mt., VI-1925 (F. X. Williams, C.A.S.). SAN DIEGO CO.: Borego, 9, IV-25-49 (J. E. -- 8, SAN MATE0 CO.: Cga, 29, 58, 9, Gillaspy, C.I.S.). Borego 379, VI-20, 21-41 VIII-15-11; E., VIII-5-11; 9, 8, VIII-12-11; 39, 46, VIII-30-11 (E. C. VanDyke, C.A.S.). 3. Felipe Grade, 9, (J. A. Kusche, C.A.S.); VIII-5-11 (J. A. V-22-41 (E. C. VanDyke, C.X.S.). 9, Kusche, C.I.S.). Apatolestes comastes willistoni Brennan Apatolestes comastes willistoni Brennan, 1935, --Pilimas bearneri Philip Univ. Kans. Sci. Bull., g:373. Type, 9, San Diego Co., Calif. Pilimas beameri Philip, 1942, Proc. N. Erg. States recorded from: Ariz., Calif., Ore., 2001. Club, =:61. Type, 9, Colton, San Mont., B.C. Bernardino Co., Calif. California records: States recorded a:Calif. RIVERSIDE CO.: Cottonwood Springs, 9, 1v-26- California records: No specimens seen. 49 (L. W. Quate, C.I.S.); 9, IV-26-49 (J. E. Gillaspy, C.I.S.). Santa Rosa Pk., 8000'elev., 0, VI-22-40; 9, VI-18-40 (E. C. Van Dyke, C.A.S.). Pilimas californica ( Bigot)5 Gilman Hot Spriws, 9, VI-23-41 (E. C. VanDyke, Diatomineura californica Bigot, 1892, Mem. Soc C.A.S.) I Zool. Fr.,a:618. Type, 8, Calif. SAN BERNARDINO GO.: Forest Home, 9, V-5-36 States recorded from: B. C., Calif.., Idaho, (Timberlake, C.I.S.). Mont., Ore., Utah, Wash. California records : Apatolestes hinei Brennan Apatolestes hinei Brennan, 1935, Univ. Kans. Sei. Bull., 2:374. Type, 9, San Jaclnto 5Pangonia mswilliston ,jonesi cresson Mt., Calif. and silvius are synonyms Of Pllimas californloa (Bigot) which have been States recorded from: Calif. recorded from California. I THE HORSE FLIES AND DEE1R FLIES OF CALIFORNIA 9

CALAVERAS CO. : Camp Wolfboro, 8, VII-11-39 Stonemyia ruficornis (Bigot) (T. Aitken, C.A.S.). MARIPOSA CO.: Wawona, 7000' elev., 8, VII- Corizoneura ruficornis Bigot, 1892, Mem. Sac. 17-46 (H. P. Chandler, C.I.S.). # 2001. Fr., 5:615. Cotypes, 2d, Calif. MODOC CO.: Buck Creek, 0, VII-21-22 (C. L. -States recordex from: Calif Fox, C.A.S.). Davis Creek, 8, VII-15-23 California records: (C.A.S.). MADERA CO.: Yosemitemk, 20, 26, VI-8-40 NEVADA CO.: Tmckee, 0, VIII-39 (L. Gillogly, (Brookman, Aitken, Cazier, VanDyke,C.A.S.). U.C.D.). MARIPOSA CO.: 6, VI-13-38 (N. F. Hardman, PLACER CO.: 9, VII-18-22 (E. R. Leach, C.I.S.). Morman Bar, ?, VI-7-40 (Brookman, C.A.S.). Auburn, 0, VII-35 (P. T. Scott, Cazier, VanDyke, c.I.~.). C.S.D.A.). PLUMAS CO.: Quincy, 98, VII-7-49 (D. J. Stonemyia tranquilla fera (Williston) Gould, C.1.S.); 8, VI-30-49; if, ?, VII-9-49 Pangonia Williston, 1887, Trans. Kans. (P. D. Hurd, C.I.S.); $, (R. G. Howell, fera VII-13-49 Acad. Sci., g:l3O. Type, $, Mt. Hood, Ore. C.I.S., Ovipositing in water like dragonfly.) -States recorded from: Calif., Ga., Idaho, Me., RIVERSIDE GO.: Herke Creek, San Jacinto =., Ore., Wash. 8, VI-10-40 (C.1.S.T'9, VI-10-403.- San California records: Gabriel Mts., Switzer's Tm,3500' elev. 4?>, ALPINE CO.: Hope Valley, 0, VII-18-48 (J. VI-10-14 (F. GTinnell, Jr., C.A.S.). W. MacSwain, C.1.. Alpine Lake, 9, v111-6- SANTA BARBARA CO.: Sunset Val., 9, VII-4-38 18 (C.A.S.). (V. L. Woolley, C.A.S.). Fillmore, a, VII-27-37 ELDORADO CO. : Glen Alpine, 8, VII-09 (F. X. (B. E. White, C.A.S.). Sonora Pass, 6, VII-7-39 Williams, C.A.S.). (T. Aitken, M. Cazier, C .A.S. ) . MARIPOSA 60. : Yosemite 38, p, VII-5-21 SHASTA CO.: VI-27-21 (J. A. Kusche, m., 26, (E. C. VanDyke, C.A.S.). C.A.S.). NEVADA CO.: Dormer Pass, 8, VI-18-40 SIERRA CO.: z.Charles Hill, 29, VII-7-26 (Cazier, Aiken, C.A.S.). (E. A. Nast, C.A.S.). SIERRA CO.: Gold Lake, 9, VII-22-21 (C. L. SISKIYOU CO.: 59, 28, VII-15-1921 (J. A. Fox, C.A.S.). Kusche, C .A.S. ) EAa, g, (F. D. Horn, . VII-9-39 SONOMA CO.: 8, (C.A.S.). C.A.S.). Shasta Springs, 76, VII-1914 (C. L. Fox, C.A.S.). Stonemyia velutina (Big~t)~ TUOLIJMF.CO. : Fletcher Lake, Yosemite m. -Pk., 10,400' elev., 348, VII-27-40 (E. G. Corizoneura velutina Bigot, 1892, Mem. SOC. Linsley, C.I.S.); 28, same data (C.A.S.). Zool. Fr., 2:615. Type, 0, Calif. States recorded from: Calif. Stonemyia abaureus Philip6 California records: MADERA CO.: Oakhurst, $, VI-8-42 (E. G. Stonemyia abaureus Philip, 1941, Proc. Ent. SOC. Linsley, C.I.S.). Bass Lake, 2500' elev., 8: Wash., 3:114. Type, 8, Patrick Creek, VI-7-38 (N. F. Hardman, C.A.S., Paratype). Calif. Yosemite, 3880-40001 elev., 8, VI-14-38 (J. R. States recorded from: Calif., Uyo.? Warren, C.A.S.). California records: NEVADA GO.: P,VIII-13-20 (E. R. Leach, Silvius gigantulus (Loew) C.A.S.). RIVERSIDE CO.: Vandevanter Flat, Santa Rosa Chrysops gigantulus Loew, 1872, Dipt. Amer. m., 13, VI-16-40 (H. T. Reynolds, C.I.S.). Sept. ind., 11, p. 233 (p. 10, No. 12). --Piiion Flat, San Jacinto Mts., &, V-30-39 (P. D. Type, 0, calif. Gerhart, C.A.S., paratype); 1.69, 76, VI-14-21-41 States recorded from: B. C., Calif., coio., (E. C. VanDyke, C.A.S.). Idyllwild, San Jacinto Idaho, Mont., Nebr., N. M., Ore., Wash., Wyo. m., 8, VI-16-40 (E. C. VanDyke, C.A.S.). Keen California records: Camp, Jacinto Mts., 9, VIII-5-39 (P. D. Ger- ALPINE CO.: Hope Valley, 29, VII-17-48 , paratype). (C .I .S.) ; 0, VI-18-48 (J. W. MacSwain, C .I.S. ) . hartSANTA *"& BARA CO.: Sunset Valley, g, VI-39 CONTRA COSTA CO.: E.Diablo, 9, VI-5-40 (E. White, C.A.S., paratype). (T. Aitken, C.A.S.). SHASTA CO.: Cayton, 8, VII-15-18 (E. P. Van- ELDORADO CO. : 3 2. CWino, VI-26-48 Duzee, C.A.S.). (P.D. Hurd, C.1.S.T. Snowline Camp, 9, VI-29-48 TULARE CO.: Potwisha, Sequoia Nat'l. s., (P.D. Hurd, C.I.S.). China Flat, 0, VII-15-48 2000-5000' elev., 8, VI-20-29; p, VII-1-41 (E. (L. W. Quate, C.I.S.). Echo Lake, 7400' elev., C. VanDyke, G.A.S.). Mineral Ki , 9, VII-31-35 0, VII-30-25 (E. 0. Essig, C.I.S.). --Fallen Leaf (G. E. Bohart, C. I .S. , paratyp? Hot Springs, -Lake, 20, VII-11, 15-1915 (E. C. VanDyke, 0, VII-7-25 (E. R. Leach, C.A.S.). C.A.S.); 2, VII-10-35 (F. E. Blaisdell, C.A.S.). Glen Alpine, 9, VII-1909 (F. X. Williams, C.A.S.). Strawberry x.,2$, VIII-6-12 (E. c. VanDylce, C.A.S.). 6Pangonia ruficornis of authors, not Bigot and Stone- Riyia ruflcornis Brennan were misidentlficatlons of Stone- 'Stonemyla albomacula Stone is a synonym of velutina myla abaureus Phlllp. which has been recorded from California. 10 BULLETIN OF THE CALIFORNIA INSECT SURVEY

FRESNO CO.: Paradise Valley, King's River, TRINITY CO ..: Carrville, 2400-2500 ' .elev. , 7000' elev., 9, VII-15, 16-1910 (E. C. VanDyke, $, VI-5-34 (E. 6. VanDyke, C.A.S.). C.A.S.). S. Fork King's River Canyon, 5000' WTURA CO.: Santa Paula, 8, VII-23 (Dean elev., 9, TII-6-10 (E. C. VanDyke, C.A.S.). Burk, C.I.S.). Huntitwton u,7000' eleJ., 9, VII-12-19; 9, YOLO-SOLANO COS.: Putah Canyon, 8, V-1-46 VIII-24-19 (E. P. VanDuzee, C.A.S.). (G. E. Bohart, C.A.S.). LASSEN CO.: Susan Riv. Camp, 0, VII-9-49 (A. T. McClay, U.C.D.) Silvius (Zeuximyia) philipi Pechuman LOS ANGELES CO. : Elizabeth Lake, v-28-27 9, Silvius philipi Pechuman, 1938, Can. Ent. (A. C. Davis, C.A.S.). =:165. Type, $!, near Lebanon, Ore. Male MADERA CO.: 9, V-24-36 (E. S. ROSS, C.A.S.). unknown. Bass Lake, 9, VI-7-38 (P. C. Zabaldano, C.A.S.). States recdrded Calif., Ore. Sandy Flat, VII-15-46 (R. from:* BA 9, P. Watwood, California records: U.C.D.). Upper Soda Spritxs, 9, VII-40 (D. L. Dow, U.C.D.). *HWBOLDT CO. : Van Dusen River, 9, VIII-11- 48 (W. W. Wirth, C.I.S.). MARIPOSA CO.: Yosemite, 4?, 48, VI-13-21 (C*I.S.); 86, 79, VI-8, 9-21 (E. C. VanDyke, C.A.S.). Tenaya Lake Trail, YoSemite,?, VIII- Silvius quadrivittatus (Say) 4-36 (E. C. Hendee, U.C.D.). Chrysops quadrivittatus Say, 1823, Jour. Acad. MENDOCINO CO.: Ryan Creek, 9, VI-7-46 Nat. Sci. Phila.,A:33. Cotypes, unstated (C.I.S-) * no. 0, near the Rocky Mts.; lost. PLACER CO.: Cisco, 29, VII-1911 (C. Van- States recorded from: Ariz., Calif., Colo., Geldern, C.A.S.); ?, VIII-1-22 (Ricksecker, Idaho, Ill., Kans., Minn.?, Mo., Mont., C.A.S.). Auburn, 9, VII-30-32 (C.A.S.). Neb.', N. M., Nev., Okla., S. D., Tex., Utah, RIVERSIDE CO.: Gilman Hot Springs, 0, VI- wyo . 10-41 (E. C. VanDyke, C.A.S.). Santa Rosa California records: Mountain, Santa Rosa Mountains, 9, VI-18-40 RIVERSIDE CO.: Gilman Hot SE., 0, V-14-41 (C.I.S.). Idyllwild, San Jacinto Mts., 4?, 8, (E. C. VanDyke, C.A.S.). VI-17-21-1940 (E. C. VanDyke, C.A.S.). SAN DIE50 CO.: Desert s,59, IV-17-15 SAN MATE0 CO.: Pescadero, 0, VII-15-17 (M. C. VanDuzee, C.A.S.). (C.A.S.). SIERRA CO.: Gold Lake, 29, 8, VII-16-31-1921 Silvius sayi Brennan (C. L. Fox, C.A.S.). TULARE CO. : 3 Rivers, 9, VII-29-23 (C. L. -Silvius UBrennan, 1935, Univ. Kans. Sci. Fox, C.A.S.). Mineral King, 29, VII-21-31-1923 Bull., =:357. Type, 9, Texas. Male un- (C. L. Fox, C.A.S.). known. TUOLUMNE CO.: Yosemite National Park, .Vernon States recorded from: Calif., Tex. -Lake, a, VII-28-38 (C.I.S.). Tilden Creek, &, California records: no specimens seen. VII-30-38 (C.I.S.). Sonora Pass, ?,'VIII-18-48 (C.I.S.). Tuolumne Meadows, 0, VIII-1-15 (C. L. Chrysops aestuans van der Wulp FOX, C-A-S.); $!, VII-15-40 (D. Le DOW, U.C.D.). Chrysops aestuans van der Wulp, 1867, Tidjdsch. V. Ent., u:135. Type, ?, Kumlein, Wisc. --Silvius notatus (Bigot)' States recorded from: Alask., Alta., B. C., Diachlorus notatus Bigot, 1892, Mem. SO~.ZOO~. Calif., Colo., Idaho, Ill., Ind., Kans., Ky., Fr.,r:623. Type, 9, Calif. Man., Mich., Minn., Mont., Neb., Nev., N. M., States recorded from: Calif., Ore., Wash. N. Y., N. D., Ohlo, Ont., Ore., Que., Sask., California records: S. D., Utah, Wash., Wisc., Wyo. INYO CO. : Death Valley, Furnace e.,9, California records: no specimens seen. 111-22-40 (B. Brookman, C.1.- same data (C.A.S.). Chrysops asbestos Philip LASSEN CO.: Hallelujah Jct., 29, VI-27-49; Chrysops asbestos Philip, 1949, Ann. Amer. Ent. $!, VJI-7-49; 9, VIII-13-49; 9, VII-4-49, (J. W. Soc., %:455. Holotype 9, Ravalli Co., MacSwain, C.I.S.); $!, VII-4-49 (J. E. Gillaspy, Mont. Allotype 8, Gold Lake, Sierra Co., C.I.S.); 22, VII-13-49 (P. D. Hurd, C.I.S.); 9, Calif. VII-4-49; 9, VII-27-49 (Claude I. Smith, C.I.S.). States recorded from: Calif., Mont., Ore., MONTEREY CO.: Jolon, 9, V-20-42 (J. K. Wash., Idaho, Wyo., B. C. Ellsworth, T. Aarons coll.). California records: SAN BERNARDINO CO.: Yermo, 8, V-23-40 PLUMAS CO.: Meadow Valley, j50O-400O8 elev., (Reeves, Cazier, Ting, C.A.S.). $, VI-7-24 (C.I.'S.).Quincy, 9, VI-30-49 SAN DIEGO CO. : Poway, 29, V-25-84 (F. E. (P. D. Hurd, C.I.S.). Blaisdell, C.A.S.). SHASTA CO.: Lassen Pk., 7500' elev., 8, SONOMA CO.: Cazadero, $!, IX-2-18 (E. P. Van VII-18-49 (J. W. MacSwain, C.I.S. ). Duzee, C.A.S.).

BSilvius laticallus Brennan is a synonym of Dotatus (Bigot) which has been recorded from California. %=state record. THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 11

Chrysops bishoppi Brennan CONTRA COSTA CO.: Antioch, 9, VI-2-40 (B. Brookman, C.I.S.); 9, VI-3-36 (A. R. Mead, Chrysops bishoppi Brennan, 1935, Univ. Kans. C.A.S.); 29, VI-27-37 (M. Cazier, C.A.S.). Sci. Bull., 2:266. Type, Topaz, Calif. 4, Brentwood, VU-4-38 (M. Cazier, C.A.S.). States recorded-=: Calif. ,'Ore. 0, GLENN CO.: Orland, 9, V-28-29 (C.S.D.A.). California records: KERN CO. : Lake Buena Vista, 29, VII-26-39 INYO CO.: Pine Creek, 4500' elev. 9, (R. F. Smith, C.A.S.). VI-13-42 (R. Bohart, U.C.D.). LAKE CO.: Lower Clear Lake, V-25-41 MODOC CO.: Davis Creek, 9, VII-12-22 (C. L. 6, (S.J.C.). Fox, C.A.S.). MENWCINO CO.: Mendocino, 29, v11-16- MONO CO.: Coleville, 29, V-28-39 (T. G. s&. 41 (T. Aarons, T. Aarons coll. ) Aitken, C.I.S.); 9, V-28-39 (T. G. Aitken, . MERCm CO.: &S 9, VII-18-46 (R. C.A.S.). Leavitt M., 9, VI-24-37 (J. H. w, F. Smith, C.I.S.); (C. A. Hanson, Mitchell, C.A.S.). 8, VI-15-48 C.I.S.). Panoche Hills, 9, IV-29-22 (E. C. VanDyke, C.A.S.). Chrysops carbonaria Walker PLACER CO.: Gold Run, 0, VII-5-42 (G. Chrysops carbonaria Walker, 1848, List, I. Beevor, C.S.D.A.). p. 203. Cotypes, 29, Nova Scotia. PLUMAS CO.: Lake Almanor, 29, VII-8-49 States recorded from: Alas., Alta., B.C., (J. E. Gillaspy, C.1.m; (P. D. Hurd, Calif., Colo., D.C., Conn., Del., Ga., Idaho, C.I.S.); 2? (E. G. Linsley, C.I.S.). Keddie, Man., Md., Mass., Me., Mich., Mont., Neb., 8, VI-15-40 (M. Cazier, T. Aitken, C.A.S.). N.H., N.J., N.Y., N.C., N.F., N.S., Ohio, SAN BERNARDINb CO.: Mill Creek, 7500' elev., N.D., Ont., Ore., Pa., Que., R.I., Sask., 29, VII-42 (R. Bohart, U.C.D.). S.D., Utah, Va., Wls., Wyo. SAN JOAQUIN GO.: Tracy, p, VII-37 (E. S. California records: no specimens seen. Ross, C.A.S.). SAN MATE0 CO.: La Honda, 9, V-4-31 (C. D. Chrysops clavicornis Brennan Duncan, S.J.C.). Chrysops clavicornis Brennan, 1935, Univ. Kans. SANTA CRUZ CO.: Santa Cruz, p, VI-36 Sci. Bull., 2:277. Type 9, San Diego, Calif. (C.A.S.). States recorded from: Calif., Nev. SIERRA CO.: Gold Lake, 9, VII-12-21 (C. E. California records: Fox, C.A.S.). INYO CO.: Lone Pine, 0, VI-9-37 (N. W. SONOMA CO.: Sobre Vista, 0, VI-26-10 (J. A. Frazier, C.I.S.); 8, VI-1-37 (Aitken, C.A.S.); Kusche, C.A.S.). 9, VI-16-37 (L. R. Gillogly, C.A.S.). Lone TULARE CO.: Wood Lake, 29, IV-13-22-49 Pine, Alabama Hills, 8, VI-16-37 (E. C. Van (N. Frazier, C.I.S.). Dyke, C.A.S.). Bishop, 9, VI-20-29 (E. P. Van VENTURA CO.: Santa Paula, 0, VII-23 (D. Duzee, C.A.S.). Independence, 8, VI-14-37 Burk, C.I.S.). Satico , 29, VII-1-27 (Joe (L. R. Gillogly, C.A.S.). El1 s wort h , C .A. S'r' KERN CO.: Arvin, 8, VI-14-38 (F. D. Horn, YOLO CO.: Knights Landing, 29, VIII-18-40 C.I.S.). (C.1.S.); 9, IX-17-42 (P. Galindo, T. Keller, MADERA CO.: North Fork, p, VI-8-40 (Brook- C.I.S.). Woodland, 4$, V-8-46 (W. Middlekauff, man, Aitken, Cazier, C.A.S.). C.I.S.); 9, V-8-38 (W. B. Hems, C.A.S.). RIVERSIDE CO.: ]Idyllwild, San Jacinto Mts., Davis, g, IV-24-36 (R. M. Bohart, C.L.S.); $, 9, V-26-39 (E. S. Ross, C.I.S.). Herkey Creek, VI-13-48 (H. E. Cott, C.I.S.). Bryte, 9, VI- San Jacinto MtS-y $!,VI-13-39 (E. S. ROSS, 12-45 (C. M. Herman, C.I.S.); 36, 29, IV-29-47 C.1.S.). m,9, 28, VI-3, 5-17 (E. P. Van (A. T. McClay, U.C.D.); 2?, V-22-48 (A. T. Duzee, C.A.S.). McClay, U.C.D.) ; 39, V-2-47 (C. Gillam, A. T. SAN BERNARDINO CO.: Ontario, 9, VII-13-07 McClay); 2?, IV-4-36 (R. M. Bohart, U.C.D.); 9, (C.A.S.). Cajon Pass, 9, VI-11-41 (E. C. Van VI-15-46 (R. Bohart, U.C.D.). Robbins, 59, Dyke, C.A.S.). VII-3-39 (T. Aitken, M. Cazier, C.A.S.). SAN DIEGO CO.: Oak Grove, 6, VI-7-40 Clarksburg, 9, VI-7-33 (C.A.S.); 9, V-12-39 (C.I.S.). (N. A. Olson, C.A.S.).

Chrysops coloradensis Bigot Chrysops coquilletti Hine Chrysops coloradensis Bigot, 1892, Mem. SOC. Chrysops coquilletti Hine, 1904, Ohio Nat., Zool. Fr., _5:605. Cotypes, 58, 54, Colorado. 2220. Cotypes "number of specimens," both States recorded from: B. C., Calif., Colo., Sexes (lectotype, 9, Los Angeles Co., Calif.). Nev., Ore., Wash. States recorded from: Calif., Utah. California records: California records: BUWE CO. : Oroville, 99, V-9, 10-21 (C.I.S. 1; CONTRA COSTA CO.: Brentwood, $!, VIII-1-40 9, V-10-21 (C.A.S.). (C.1-S.). Antioch, 9, VII-20-37 (M. Cazier, COLUSA CO.: Colusa, 0, EII-9-27 (J. F. C.A.S.); 9, VII-25-40 (C.I.S.). Lamiman, C.I.S.); 29, VIII-6-32 (C. M. Wheeler, MERCED CO.: Merced, 9, VII-2-29 (C.S.D.A.). C.I.S.). Williams, 109, VII-7-48 (W. Middle- NEVADA CO:: Truckee, 9, VII-17-39 kauff, C.I.S.); $!, VI-30-48 (W. Middlekauff, (C. T. Sierra, C.A.S.). C.I.S.). 12 BULLETIN OF THE CALIFORNIA INSECT SURVEY

SAN DIEGO CO.: San Diego, $!, v-16-03 (E. P. Chrysops furcata Walker Vanhzee, c.A.~.). SHASTA CO.: 6 mi. West Burney, 9, VII-29-46 Chrysops furcata Walker, 1848, List I. p. 199. (c .I.S:). Type, 9, St. Martin's Falls, Albany River, VENTURA CO.: Satlcoy, 9, VIII-10-27 (C.I.S.); Hudson's Bay, Can. ',VI-4-25 (C. T. Dodds, C.A.S.); 39, VIII-3-18- States recorded from: Labr., N.B., N.S., Que., 29-27 (T. Craig, C.A.S.). Ont., Sask., Man., Alta., B.C., Yukon Terr., YOLO CO.: Davis, 9, v-23-18 (W. Herms, Alas., Mich., Wisc., Minn., S.D., N.D., C.I.S.). Mont., Wyo., Colo., Utah, Idaho, Ore., Calif., Wash., Wv. Chrysops discalis Williston California records: No specimens seen.

Chrysops discalis Williston, 1880, Trans. Conn. Chrysops hirsuticallus Philip Acad. Sci. 6:245. Cotypes, 4?, Como, Wyo. States recorded from: Alta., B.C., Calif., Chrysops hirsuticallus Philip, 1941, Proc. Ent. Colo., Idaho, Man., Mont., Neb., Nev., N.D., SOc. Wash., Q:126. Type, 9, Woodland, Ore., Sask., Utah, Wash., WYO. Calif. Gal ifornla records : States recorded from: Calif. DEL NORTE CO.: Cresent City, 26, V-5-37 BUTTE CO.: Chico, 0, IV-25-46 (W. Middle- (M. Cazier, C.A.S.). kauff, C.I.S.).- INYO CO.: Lone Pine, $?, VI-6-37 (D. Little, ELDORADO CO. : Strawberry, 9, VI-7-33 C.I.S.); 99, 226, V-31-37; l?, 48, V-2-37; 8, (G. E. Bohart, U.C.D.). V-14-37; 3?1 28, V-24-37> 4?, V-18-37; 98, 3?, LAKE CO.: Blue Lakes, 9, VI-1-38 (L. VI-4-37 (E. C. VanDyke, C.A.S.). Owens Lake, 6, Phillips, C.A.S.). VI-2-37 (B. E. White, C.I.S.); 8, same data MERCED CO.: Qgg Pale, 9, IV-22-48 (H. T. (N. Frazier, C.I.S.); 6, 9, same data (C.A.S.). Reynolds, C.I.S.); 9, VI-15-48 (C. A. Hanson, Owens Lake, 8, 1937 (D. Little, C.I.S.). C.I.S.). Olancha, 4?, VI-3-17 (c. L. Fox, C.A.S.); 38, YOLO CO.: Davis, 9, VI-1936 (M. Cazier, V-20-37 (E. C. VanDyke, C.A.S.). C.I.S., paratype); 8, V-13-48 (R. M. Bohart, LASSEN CO.: Amedee, 9, VII-4-47 (R. L. C.I.S.); 8, V-13-48 (R. M. Bohart, U.C.D.); 8, Usinger, c.I.~.). V-13-48 (R. M. Bohart, U.C.D.); 9, V-19-36 MERCED CO.: asw, 9, V-22-18 (E. P. (U.C.D., paratype); E?, 36, V-12-49 (A. T. VanDuzee, C.A.S.). McClay, U.C.D.); 8, V-49 (N. Sanderson, U.C.D.); MODOC CO.: Davis Creek, 9, VII-16-22 (C. L. 5, IV-24-36 (C.A.S., paratype); 9, nr-21-36 Fox, C.A.S.). (C .A. S . , paratype') ; 8, V-4-36 (C .A .S . , para- MONO CO.: Benton, 29, VI-22-41 (W. M. Pearce, type). C.A.S.). Chrysops Os,ten Sacken Chrysops excitans Walker Chrysops mitis Osten Sacken, 1875, Mem. Bost. Chrysops excitans Walker, 1850, Dipt. Saund., SOC. Nat. Hist., 2:374. Cotypes 99 (lecto- 1:72. Type, 0, Cape Breton. type, 0, Hudson's Bay, Canada). States recorded-: N.F., N.S., Labrador, States recorded from: Labr., Que., Ont., Man., Ont., Que., Man., Sask., Alta., B.C., Me., Sask., Alta., B.C., Alas., Me., N.H., Vt., Mass., N.H., N.Y., N.J., Mich., Wis., Minn., Mass., R.I., N.Y. Ill., N.D., Colo., Wyo., Mont., Utah, Calif., California records: Ore., Wash., Alas. ELDORADO CO.: Myer's Camp, 9, VII-22-48 California records: (H. E. Cott, C.I.S.). PLUMAS CO.: Buck's Lake, 9, VII-14-49 HUMBOLDT GO.: Orick, 2?, VII-10-38 (E. C. (W. Middlekauff, C.I.S.). VanDyke, C.A.S.). SHASTA CO.: Lake Eiler, 39, VII-9-47 (C. Hanson, C.I.S.). Chrysops noctifera noctifera Osten Sacken" SIERRA CO.: Gold Lake, 2?, VII-15-49 (R. M. Chrysops noctifera noctifera Osten Sacken, 1877, Bohart, U.C.D.); 9, same data (C.I.S.); 0, West. Dlpt., p. 220. Cotypes, 49 (lectotype, V11-21-21;2?, VII-14-21 (C- L. FOX, C.A.S.); 0, 9, Webber Lake, Calif.). VI-16-40 (M. Cazier, T. Aitken, C.A.S.). States reaorded Calif., N.M., Ore. from:~ California records : ALPINE CO.: Hope Valley, Chrysops fulvaster OBten Sacken 209, VII-9-48 (J. W. MacSwain, C.I.S.): 99, VII-9-48 (P. D. Chrysops fulvaster Osten Sacken, 1877, West. HUrd, C-1.S.); 29, VII-18-48 (J. W. MacSwaln, Dipt., p. 221. Cotypes, 59, IT (lekotype, C.1.S.); 39, VII-18-48 (P. D. Hurd, C.I.S.); 9, 9, Denver, Colo.). VII-12-48 (P. D. Hurd, C.I.S.). States recorded from: Sask., Alta., Minn., N.D., BUTTE CO.: Oroville, 9, IV-29-38 (H. H. S.D., Neb., Kan., Okla., Mont., Wyo., Colo., Keifer, C.A.S.). N.M., Idaho, Utah, Ariz., Calif. 'OChI'YSODS sp. near 8ordlduJ Lsslg 1s a rnlsldentlflca- California records: No specimens seen. tion of noctifera O.S. THE HORSE FLIES AND DEEF1 FLIES OF CALIFORNIA 13

CALAVERAS CO.: Camp Wolfboro, 9, VI-20-39 C.A.S.). Gold Lake, 29, VII-15-49 (H. M. (C.I.S.). Bohart, U.C.D.); 9, VI-16-40 (M. Cazier, T. ELDORADO CO.: China Flat, 9, VI-28-48 (P. D. Aitken, C.A.S.). Sierraville, 29, VI-16-40 Hurd, C .I.S.). Pyramid X.A., 29, VII-12-48 (P. D. (M. Cazier, T. Aitken, C.A.S.). Hurd, C.I.S.). Glen Alpine Creek, Tahoe, 100, TRINITY CO.: Bij? Flat, Coffee Creek,?, VII-1-14-1915 (E.P . VanDuzee , C .I.S. ) . Glen VI-20-34 (T. G. H. Aitken, C.I.S.); 9, VI-22-34 Alpine, 199, VI-29-29 (E. P. VanDuzee, C.A.S.). (E. C. VanDyke, C.A.S.). Carrville, 2400-2500' Upper Echo Lake 7400' elev., 29, VII-22-27 elev., 9, VI-16-34 (E. C. VanDyke, C.A.S.); $!, (E..EssisII.S.) ; 39, VI-5-26 (U.C.D.) . V-17-34 (G. E. Bohart, C.A.S.); 29, VI-8-34 Fallen Leaf-Lake, 3i, VII-31 (0. H. Sweazy, (T. G. Aitken, C.A.S.). Scott Mt., 9, VI-37 C.A.S.); 9, VII-1-15 (E. C. VanDyke. C.A.S.); (I. McCracken, C.A.S.). 9, VII-4-34 (C. D. Duncan, S.J.C.). LASSEN CO. : Susan R. Camp, 29, VII-10-49 Chrysops pachycera pachycera Williston fJ- E. Gillaspy, C.I.S.). BridRe &.Camp, 29, Chrysops pachycera pachycera Williston, 1887, (J. W. MacSwain, C.I.S.). VII-9-49 Trans. Kans. Acad. Sci., &3:134. Cotypes, MARIN CO.: Valley, V-25-19 (C. L. Bear 8, 3 specimens, both sexes, Calif. Fox, C.A.S.). States recorded from: Calif., Nev., Utah, Ariz. MARIPOSA CO.: Yosemite Val., 9, VI-5 (C.I.S.). California records: NEVADA CO.: Truckee, 49, VII-5-27 (E. P. SAN DIEGO CO.: Desert Edge, b, IV-15-15 VanDuzee, C.A.S.mner Pass, 29, VI-18-40 (M. C. VanDuzee, C.A.S.).. (M. Cazier, T. Aitken, C.A.S.). PLUMAS CO.: Quincy, 4 mi. W., 59, VI-19-21- Chrysops pachycera hungerfordi Brennan 49 (P. D. Hurd, C.I.S.); 49, VI-19-21-49 (J. W. MacSwain, C.I.S.). Meadow Valle , 3500-40001 Chrysops pachycera hungerfordi Brennan, 1935, elev., ?,-VI-21-24; -4d. C. VanDyke, Univ. Kans. Sci. Bull., =:306. Type, 9, C.A.S.); 39, V-22-49 (P- D. Hurd. C.I.S.; 9, Blue Spring, Eddy Co., N. Mex. same data (J. W. MacSwain, C.I.S.); 29, VI-24- States recorded from: Ariz., *Calif., N.M., 49 (P. D. Hurd, C.I.S.); 9, VI-25-49 (R. L. Tex . Sisson, C.I.S.); 29, same data (P. D. Hurd, California records : C.I.S.); 29, same data (J. W. MacSwain, C.I.S.); . *CONTRA COSTA CO.: Brentwood, 8, (C.I.S.). 39, VI-30-49 (P. D. Hurd, C.I.S.); 9, VII-10-49 (Claude Smith, C.I.S.); 9, VI-7-24 (W. H. Nelson, Chrysops pechumani Philip C.I.S.). Bucks Lake, 29, VII-1-49 (P. D. Hurd); Chrysops pechumani Philip, 1941, Proc. Ent. 29%VII-14-49 (P. D. Hurd, C.1.S.); 9, VII-23-49 SOC. Wash., 4.3:128. Type, 9, Niles, Alameda (R. L. Sisson, C.I.S.); 29, VII-14-49 (W. Middle- Co., Calif. kauff, C.I.S.). States recorded from: Calif. California records : Chrysops noctifera pertinax Williston MARIN CO.: Tamalpais, 9, V-28-22 (C. L. Fox, Chrysops noctifera pertinax Williston, 1887, C.A.S. paratype). Trans. Kans. Acad. Sci., lJ:132. Cotypes 89 NAPA CO.: Conn Creek, 9, IV-23-49 (W. (lectotype, 9, Wash. Terr.). Middlekauff, C.I.S.). States recorded from: Ont., Alta., B.C., Mich., SAN LUIS OBISPO CO.: Pismo, 8, IV-25-19 Mont., Wyo., Colo., Utah, Idaho, Wash., Ore., (E. P. VanDuzee, C.A.S., allotype). Calif., N.H.? - SANTA CLARA CO.: Alum Rock-State Park, 8, California records: IV-19-42 (C.1.S.). ALPINE CO.: Hope Valley, 9, VII-9-48 (J. W. SANTA CRUZ CO.: Big Basin, 9, IV-1941 (H. E. MacSwain. C.1.s.). Cartani, Philip Philip coll.). BUTTE-CO.: OGoville, 9, IV-29-38 (H. H. Keifer, C.A.S.). Chrysops proclivis proclivis Osten Sacken HUMEOLDT GO.: Orick, 9, VII-24-34 (E. C. Van Chrysops proclivis RIWCliViS Osten Sacken, 1877, Dyke, C.A.S.); 9, VII-10-37 (VanDyke, C.A.S.). West. Dipt., p. 222. Cotypes 49 (Lectotype, LASSEN CO.: Susan R. Camp, 9, VII-10-49 Marin Co., California). (J. E. Gillaspy, C.I.S.). States recorded from: N.B., Que., Alta., Sask.?, WINCO.: Bear Valley, 8, V-25-19 (C. L. Yukon Terr., B.C., Wash., Ore., Calif., Fox, C.A.S.). Colo.?, Ariz.?. PLUMAS CO.: Quincy, 4 mi. W., 9, VI-30-49 California records : (P. D. Hurd, C. I.S. ) ; 2?, VI-22-49 (P. D. Hurd, ELDORADO CO.: Fallen Leaf Lake, ?,VIII-31 C.I.S.). Meadow Valley, 3500-4000' elev., 0, (0. H. Sweazy, C.A.S.). (E. C. VanDyke, C.A.S.). Bucks Lake, ?,VI-23-49 HUMBOLDT CO.: Klamath, ?,VII-14-35 (Jean (Claude I. Smith, C.I.S.). Russell, C.I.S.). SHASTA CO.: Hat Creek, 9, VI-4-41 (T. Monroe, MARIN CO. : Bear Valley, 9, VI-6-15 (c.A.S.) . C.I.S.). MONO CO.: Mammoth Lake, 9, VII-25-33 (R. M. SIERRA CO.: Yuba Pass, ?,VI-17-40 (M. Cazier, and G. E. Bohart, C.A.S.). T. Aitken, U.C.D.); 29, same data (C.A.S.). PLUMAS CO.: Keddie, 9, VI-15-40 (M. Cazier, Webber Lake, ?, VI-17-40 (M. Cazier, T. Aitken, T. Aitken, C.I-S-); 0, same data (U.C.D.); 0, 14 BULLETIN OF THE CALIFORNIA INSECT SURVEY VI-15-40 (M. Cazier, T. Aitken, C.A.S.). Meadow FRESNO CO. : Huntington w,9, VI-21-40 Valley, 4000-5000' elev., 9, VI-30-24; 0, VII-1- (A. T. McClay, U.C.D.). 24:-.- Q, VII-4-24;Q , VI-14-24 (E. C. VanDyke, LASSEN CO.: Blue Lake, 9, VII-19,20-47 C .A.S. ) . Quinci,' 3 mi. E., 39, VI-22-49; 9 , (C. A. Hanson, C.I.S.). VI-30-49 (P. D. Hurd, C.I.S.). MARIPOSA CO. : Yosemite u.,29, VI-20-21; SANTA dRUZ CO.: Santa Cr& Mts., 500' elev., 9, VI-7-21 (E. C. VanDyke, C.A.S.). 2, no date (R. Coleman, C.I.S.). MONO CO.: Mammoth, 0, VII-22-36 (R. M. and SONOMA CO.: 9 (M. C. VanDuzee, C.A.S.). G. E. Bohart, C.A.S.). SHASTA CO.: Hat Creek, 9, VI-16-48 (L; G. PLUMAS CO.: 4s. E.,Quincy, 69, VI-24-49; Smith, C.I.S.'). 39, VI-30-49; 9, VI-20-49 (P. D. Hurd, C.I.S.); TRINITY GO. : Big Flat, Coffee Creek, 0, 0, VII-6-49; 0, VI-21-49; ?, VI-25-49 (J. W. VI-21-34 (E. C. VanDyke, C.A.S.). MacSwain, C.I.S.); 29, VI-22-49 (Claude I. TULARE CO.: Mineral King, 8000' elev., 9, Smith, C.I.S.). Meadow Vallex, 4000-5000' VII-7-42 (R. Bohart, U.C.D.). elev., 9, VI-30-24 (E. C. VanDyke, C.A.S.). Keddie, 49, VI-15-40 (M. Cazier, T. Aitken, Chrysops proclivis imfurcatus Philip C.A.S.). Bucks Lake, 29, VII-14-49 (W. Middle- Chrysops proclivis imfurcatus Philip, 1935, Proc kauff, C.I.S.). Ent. SOC. Wash., x:157. Type,? , Summer, SHASTA CO.: Cayton, 9, VII-20-18; 9, VII- Wash., Male unknown. 12-18 (E. P. VanDuzee, C.A.S.). States recorded from: B.C., Calif., Ore., Wash. SIERRA CO.: Gold Lake, 39, VII-10-21; 9, California records: VII-17-21; 29, VII-11-21, 9, VII-12-21 (C. Le Fox, C.A.S.). ALPINE CO.: Markleeville, 5500' elev., 9, VI-25-30 (J. K. Ellsworth, U.C.D.). SISKIYOU CO.: Weed, 9, VI-27-22 (J. Mail- MARIN CO.: Mill Valley, 9, VI-21-48 (H. H. laird, C.A.S.). Shasta Spriws, 9, VI-21-20 Leech, C.A.S.). (C. L. Fox, C.A.S.). SONOMA CO.: Sobre Vista, VI-26-10 (J. A. PLUMAS CO.: auincy, 2 mi. S., 29, VI-22-24- 9, Kusche, C.A.S.). 49 (P. D. Hurd, C.I.S.); 19, VI-20-49 (J. W. MacSwain, C.I.S.). "ULARE CO.: Giant Forest, 29, VII-18-21-28 TULARE CO.: Giant Forest, 0, VII-18-28 (C. L. Fox, C.A.S.). Mineral King, 0, VIII-15- (C. L. Fox, C.A.S.). 35 (G. E. Bohart, C.A.S.).

Chrysops proclivis picea Philip Chrysops virgulata Bellardi Chrysops proclivis picea Philip, 1935, Proc. Chrysops virgulata Bellardi, 1859, Saggio Ent. SOC. Wash., 3:157. Type, 9, Huntington Ditter. Messico, I:71. Type, 8, Cuautla, Lake, Calif. Male Unknown. Mex . States recorded from: Calif. States recorded from: Ariz., Calif., Mex., Tex. California records: no specimens seen. California records: no specimens seen.

Chrysops robusta Brennan Chrysozona americana (Osten Sacken) Chrysops robusta Brennan, 1935, Univ. Kans. Sci. Haematopota americana Osten Sacken, 1875, Mem. Bull., =:333. Type,? , Los Angeles, Calif. Bost. SOC. Nat. Hist., 2:395. Cotypes "more States recorded from: Calif. than two dozen specimens" (Lectotype, 9, California records: Hudson's Bay Terr.) . VENTURA CO.: Oxnard, 8, VII-2-47 (J. F. States recorded from: Alas., B.C., Alta., Sask., Hart, C.I.S.). Man., Ont., Minn., N.D., Mont., Ida., Wyo., Colo., Utah, N.M., Calif. Chrysops surda Osten Sacken California records : no specimens seen. Chrysops surda Osten Sacken, 1877, West. Dipt., Glaucops fratellus (Williston) p. 223.typesY 49 (Lectotype, Webber Lake, Calif. ) Tabanus fratellus Williston, 1887, Trans. Kan. States recorded from: B.C., Calif., New., Ore., Acad. Sci., U:l40. Cotypes, 29, Wash. Terr. Wash. States recorded from: Alas., B.C., Alta., California records: Wash., Ore., Idaho, Mont., *Calif. ALPINE CO.: Markleeville, 5500' elev., 9, Callfornia records: VI-25-30 (Joe Ellsworth, C.I.S.). Hope Valley, *ELDORADO CO.: Upper Echo Lake, 7400' elev., 2, VII-9-48 (J. W. MacSwain, C.I.S.). 159, VII-25 to VIII-7, 1949 (W. W. Middlekauff, ELDORADO CO. : Snowline Camp, 9, VI-27-48 C.I.S.). (P. D. Hurd, C.I.S.). Lake Tahoe,?, VI-21-15 (Bilslng, C.I.S.). U. Echo Lake, 7400' elev., , Atylotus incisuralis (Macquart) l1 VII-22-27 (E. 0. Essig, C.I.S.). Fallen Leaf Tabanus lncisuralis Macquart, 1847, Dipt. exot. 79. VI-26-15; 79, VII-16-15; 29, VII-1-15; nouv. peu connus, Sup. 11, p. 21 (Orig. mem., 0, VII-10-15-(E. C. VanDyke, C.A.S.). Straw- Lille, 1847, p. 21). Type, 0, America. berry Val., ?, VIII-13-12 (E. C. VanDyke, "Tabanus lnsueLus O.S. 1s a synonym Atylotus C.A.S.). of m- -ralis (Hacquart) which has been recorded from California. THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 15 States recorded from: Alas., B.C., Alta., Sask., Type, 9 , Calif., destroyed. Mont., Idaho, Utah, Wyo., Colo., Calif., Ore., States recorded from: B.C., Wash., Ore., Wash. Idaho, Mont., Colo., Calif. California records: California records: ALPINE CO.: Hope Valle;y_,? , VII-9-48 (C. D. CONTRA COSTA CO.: Antioch, 8, IX-2-38 MacNeil, C.I.S.);P , VII-18-48 (J. Abul-hab, (T. Aitken, C.A.S.). C.1.S.); 9 , VII-9-48 (N. D. Waters, C.I.S.); 8, DEL NORTE CO.: 9 , VII-15-24 (E. R. Leach, VII-9-48 (J. Abul-hab, C.I.S.);a, VII-18-48 C.A.S.). (P. D. Hurd, C.I.S.). MADERA CO.: Upper Soda Springs,? , VII-40 ELDORADO CO. : Angora Lake, Tahoe, 9 , v1-26- (D. L. DOW, U.C.D.). 15 (C.I.S.). Echo Lake, 9, VII-21-48 (P. D. MENDOCINO CO. : 2E. Mendocino, 0 , VII-16-41 Hurd, C.I.S.). Fallen Leaf Lake, 9, VIII-1931 (T. Aarons, T. Aarons coll.). (0. H. Sweazy, C.A.S.). PLUMAS CO.: Quinc , 2 mi. W., $? , VI-25-49 FRESNO CO. : Huntington w,0, VII-11-19 (P. D. Hurd, C .Id (F. E. Blaisdell, C.A.S.). TRINITY CO.: Zenia, 9 , VI-20-35 (M. Cazier, INYO CO.: Bishop, 9, VIII-3-32 (W. Hems, C.A.S.). C.I.S.). Owens Lake, ?, VI-2-37 (C.A.S.). Lone Pine, 26, V-2-37 (E. C. VanDyke, C.A.S.). Hybomitra haemaphora (Marten) VI-18-29 (E. -Pine,? , P. VanDuzee, C.A.S.). Tabanus haemaphorus Marten, 1882, Can. Ent. LASSEN CO. : Blue Lake, 9, 6. VII-19,20-47 14:210-211. Cotypes 29, Calif.; destroyed. (C. A. Hanson, C.I.S.).Bridge Cr. Camp, , States recorded from: B.C., Wash., Ore., VII-9-49 (E. G. Linsley, C.1:S.). Man., Calif., Idaho, Mont., Wyo., Colo., Utah. MODOC CO.: Eagleville, 3iJ, VII-9-46 (P. D. California records : Hurd, C.I.S.). Lower Lake, VI-28-39 (T. 9, ELDORADO CO.: Upper Echo Lake, 7400' elev., Aitken, C.A.S.). ?, VIII-3-48 (W. Middlekauff, C.I.S.). MONO CO.: Mono Lake,? , VI-23-37 (J. H. MONO CO.; June Lake,? , VI-30-49 (H. E. Mitchell, C.I.S.). Coleville,b, v-28-39 (T. ' cott, cott COll.). H. Aitken, C.I.S.). Bentoq, 41, 29, V-22-41 0. PLUMAS CO.: Quincy, 4 mi. W., 9, VII-9-49 (T. Aitken, C.A.S.). (P. D. Hurd, C.I.S.). MARIPOSA CO.: Yosemite VII-12-21 s.,9, SIERRA CO.: Gold Lake, 9, VII-15-49 (R. M. (VanDyke. C.A.S.). -- Bohart, U.C.D.). Sierraville, 9, VI-16-40 PLUMAS CO.: Quinc 29, VII-9-49 3 g.E. (M. Cazier, T. Aitken, C.A.S.). Yuba Pass, 29, (P. D. Hurd, C.Im'Keddie, $! VI-15-40 , VI-17-40 Cazier, T. Aitken, C.A.S.). (M. Cazier, T. Aitken, C.A.S.). (M. SHASTA CO.: Lassen Pk., 7500' elev., 39, 26, Hybornitra melanorhina (Bigot) VII-18-49 (J. W. MacSwain, C.I.S.). SIERRA CO.: Sierraville, 39, VI-16-40 (M. Tabanus melanorhinus Bigot, 1892, Mem. SOC. Cazier, T. Aitken, C.I.S.);? , same data Zool. Francea:642. Type,? , Wash. Terr. (U.C.D.); 2, same data (C.A.S.). States recorded from: B.C., Wash., Ore., Calif., SISKIYOU CO.: m,?, 1939 (P. I. Horn, Mont., Wyo., Colo., Utah. C.A.S.). California records : TULARE CO.: Mineral King, 9, VIII-5-35 ALPINE CO.: Hope Valley, $? , VII-9-48 (C. D. (G. E. Bohart, C.A.S.). MacNeill, C.I.S.). TUOLUMNE CO. : Tilden Canyon, Yosemite Nat '1. ELDORADO CO.: Angora kke, Tahoe, 0, VII-4- &. , 8, VII-30-38 (C .I .S.) . Delaney G., 15 (C.1-S.); ? y VII-10-15 (C.1.S.); 9, VII-11- Yosemite Nat'l. z.,3, VII-26-36 (W. T. McKean, 15 (C.I.S.). Echo Lake, 7400' elev., 9, VII- C.I.S.). Tuolumne Meadows, ip, 71111-1-15 (C. L. 10-25 (E. 0. Essig, C.I.S.). Fallen Leaf Lake, Fox, C.A.S.). 0, VII-23-15; y VII-18-15; 9 2 VII-22-15; 29, VII-14-15 (E. C. VanDyke, C.A.S.). Hybomitra californica (Marten) MODOC CO.: Davis Cr., 9 , 011-11-22 (C. L. FOX, C.A.S.). Tabanus californica Marten, 1882, Can. Ent., CO.: Meadow Val., 3500-4000' elev., a:210. Type,$?, Calif.; destroyed. PLUMAS 9, VI-21-24 (E. C. VanDyke, C.A.S.). Keddie, States recorded m: B.C., Wash. ,-Ore. , Calif., Mont. (?) 9, VI-15-40 (M. Cazier, T. Aitken, C.A.S.). . TRINITY CO. : Scott Mt., 5350' elev., 9 California records: , VII-14-49 (A. T. McClay, U.C.D.). MENDOCINO cO.: R an Creek,?, VI-8-38 (N. Hardman, C.A.S.+ Hybomitra opaca (Coquillett) . SAN MATE0 CO.: Menlo Park, , IX-1944 (C. D. Duncan, S.J.C.). Tabanus opaca Coquillett, 1904, In Baker, Inv. SANTA CRUZ CO. : Santa Cruz, 0 , VII-19-41 Pac.,A:21. Cotypes,b, 9, Ormsby Co., Nev. (J. W. Tilden, C.I.S.);? , VII-20-41 (J. W. (Lectotype,? .). Tilden, S.J.C.). States recorded from: Alta., Mont., Wyo., Colo., Utah, Nev., Calif. Hybomitra captonis (Marten) California records : LASSEN C-llelu ah Jct.,9 , VI-27-49 Tabanus captonis Marten, 1882, Can. Ent., &:211. (J. W. MacSwaln, C.I.S.3. 16 #a BULLETIN OF THE CALIFORNIA INSECT SURVEY

MONO CO.: Mammoth, 9, VII-13-40 (D. DOW, born, C.I.S.); 9, VII-18-48 (C.I.S.). Angora U.C.D.). w,?, VI-27-11 (c.I.s.). TUOLUMNE CO.: White Mt., Yosemite Nat'l. s, *KERN CO.: 9, VII-20-12 (C.I.S.). 9, VII-24-36 (C.I.S.*). *LASSEN CO.: Martin Springs, 49, VII-10-22 (C.I.S.). Hybomitra philipi (Stone) "MARIPOSA CO.: Yosemite Nationalu, 9, Tabanus philipi Stone, 1938, U.S.D.A. Misc. VII-28-40 (E. G. Linsley, C.I.S.); 29, VII-9- 46 (H. P. Chandler, T.O. Thatcher, C.I.S.). Publ. No. 305, p. 133. Type, 9, Seattle, Wash. Male unknown. Yosemite m., 9, VII-12-21 (E. C. VanDyke, C.A.S.). States recorded from: Wash., Calif. California records: no specimens seen. *PLUMAS CO.: Buck's Lake, 9, VI-23-49 (P. D. Hurd, C.I.S.). Meadow Valley_, 3500-4000' Hybomitra Procyon (Osten Sacken) elev., 9, VI-8-24 (E. C. VanDyke, C.A.S.). *SIERRA CO.: Gold Lake, 9, VII-15-49 (R. M. Tabanus Procyon Osten Sacken, 1877, West. Dipt., Bohart, U.C.D.). p. 127. Cotypes, 29, Sonoma Co., Calif. *TRINITY CO.: Scott Mt., 9, 5350' elev., States recorded from: Sask.?, B.C., Wash., VII-14-49 (A. T. McClay, U.C.D.). Flat, Idaho, Mont., Wyo., Ore., Calif., N.Mex.? Coffee Cr., 0, VI-21-34 (T. Aitken, C.A.S.) . California records: *TULARE CO.: Mineral King, 8000' elev., 9, ALAMEDA CO.: -1, 9, IV-26-39 (M. Cazier, VII-7-42 (R. Bohart, U.C.D.). C.A.S.). Berkeley, 9, IV-17-37 (G. E. and R. M. *TUOLUMNE CO.: TioKa Pass, 9, VII-25-45 Bohart, C.A.S.); 9, IV-12-32 (G. Heid, C.A.S.). (C.I.S.). Tuolumne Meadows, 69, v11-16-49 BUTTE CO.: Yankee Hill, 9, 111-20-28 (H. H. (L. L. Jensen, C.I.S.). Keifer, C.A.S.). *YOM CO.: Davis, 39, VI-36 (C.A.S.). CONTRA COSTA CO.: San Pablo Val., 9, V-9-21 (C.I.S.). Redwood Canvon, 9. IV-40 (E. Scott, Hybomitra sonomensis sonomensis (0. S.). U.C.D.). Tabanus sonomensis Osten Sacken, 1877, West. ELDORADO CO.: Fairplay, 9, IV-1'7-49 (Haw- Dipt., p. 216. Cotypes, 119, Sonoma Co. thorne, C.S.D.A.). Calif. MARIN CO.: Cypress Ridge, IV-11-20 (S. B. 9, States recorded from: B.C., Alta., Sask., Freeborn, C. I. S. ) ; 29, IV-6-21 (E. C VanDyke, . Alas., Mont., N.D., S.D., Wyo., Colo., Utah, C.A.S.); 0, 111-29-21 (C.I.S.); 9, VI-4-21 (E. Ida., Calif., Ore., Wash., Ariz., N. Mex.?. E. Wehr, C.I.S.). Mill Valley, 9, 111-47 (E. S. California records: Ross, C.A.S.); 9, IV-12-25 (M. C. VanDuzee, -A -A FBerkeley, 9, V-15-41 (C. D C.A.S.). Pairfax, 5, 111-24-27 (C.L. Fox, Michener, C.I.S.); 9, VII-19-39 (B. White, C.A.S.); $?, IV-13-19 (E. P. VanDuzee, C.A.S.). C.A.S.); 9, V-16-40 (T. Aitken, C.A.S.). MARIPOSA CO.: V-24-38 (K. D. usemite, 9, Oakland, 9, IV-31 (E. S. Ross, C.A.S.). Synder, C.A.S.). DEL NORTE CO.: Crescent-, 49, VII-20-23 MENDOCINO CO.: Yorkville, 9, V-8-35 (E. P. (C.I.S.). VanDuzee, C.A.S.). HUMBOLDT CO. : Orick, 9, VII-24-34 (E. C. MODOC CO.: Hackamore, 8, VII-17-48 (L. G. VanDyke, C.A.S.). Smith. C.I.S. 1. INYO CO.: Bishop, 9, VIII-3-32 (W. B. Herrns, NAPA CO.: me Val., 9, IV-1-32 (E. C. Van C.A.S.). Dyke, C.A.S.). LAKE CO.: Middletown, 2, V-12-40 (S.J.C.). PLUMAS CO.: 9, IV-17-15 (E. J. Branigan, MADERA CO.: Mt. Lgell, 9, ~111-8-35 (E. C. C.S.D.A.). VanDyke, C .A. S .)T SANTA CRUZ CO.: Ben Lomond, 0, V-16-42 MARIN CO.: Mill Valley, 9, V-30-26 (E. P. (S.J.C.). VanDuzee, C.A.S.). Bear Valley, 20, VI-26-22 SONOMA CO.: Sobre Vista, 9, 111-19-11 (J. A. (C.A.S.). Fairfax, 9, V-20-11 (C.A.S.). Kusche, C.A.S.). Inverness, 129, VI-11-16 (E. C. VanDyke, C.A.S.). CO.: Davis, 9, IV-15-40 W. Bishop, YOLO (G. MARIPOSA CO. : Yosemite m., 28, v11-12,16- U.C.D.). 21 (E. C. VanDyke, C.A.S.). MENDOCINO CO. : 9 K. Mendocino, 9, v11-16-41 Hybomitra rhombica (0. S.). (T. Aarons, T. Aarons Coll.) Tabanus rhombicus Osten Sacken, 1876, Mem. Bost. MONO CO.: Mono Lake, 29, VI-17-17 (C. L. SOC. Nat. Hist., Z(pt. 4, no.4):472. Cotypes, Fox, C.A.S.). 69, COIO. NAPA CO.: 8, v-17-18 (E. R. Leach, C.A.S.) States recordedfrom: B.C., Sask., Alta., Mont., -Mt. st-Helena, 29, VI-9-18 (E. P. VanDuzee, S.D., Wyo., Colo., Ariz., Utah, Idaho, Ore.?, C.A.S.). Wisc., Ill.?, *Calif. PLACER CO.: Lake Tahoe, 9, VI-17-40 (M. California records: Cazier, T. Aitken, U .C .D. ) . *ALPINE CO.: Hope Valley, 9, VII-9-48 (C. P. PLWAt3 CO.: 9, VI-10-13 (F. W. Nunenmacher, MacNeil, C.I.S.). C.A.S.). Meadow Valley, 350O-4O0O1 elev., 0, *ELDORADO CO.: Echo Lake, 9, VJI-27-27 VI-21-24 (E. C. VanDyke, C.A.S.). (E. 0. Essig, C.I.S,)j 9, VII-19-40 (S. B. Free- SAN FRANCISCO GO.; Presidio of San Francisco, THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 17

29, VI-1-43 (IC. Frick, C.I.S.). San Francisco, C.A.S.); 9, same data (U.C.D.); 0, VI-11-41 9, V-14-23 (E. P. VanDuzee, C.A.Sz (P. D. Hurd, C.I.S.); 9, VI-15-48 (L. G. Smith , SAN MATE0 CO.: Pescadero, 9, VI-12-47 (W. C.I.S.). Middlekauff, C.I.S.). SANTA CLARA CO.: Mti View, 9, v-16-22 Hybomitra tetrica hirtula (Bigot) (C.I.S.); 0, V-30-41 (K. Frick, C.I.S.). Sunny- Therioplectes hirtulus Bigot, 1892, Mem. Soc vz, $?,V-12-40 (T. Aitken, C.A.S.). San Jose, 2001. Fr., 2641. Type, 9, Wash. Terr. 8, VI-17-18 (C. D. Duncan, S.J.C.). Stevens States recorded B.C., Alta., Sask., Man Creek, VI-1-41 (T. Aarons, T. Aarons Coll.). from: 9, Ont., S.D., Mont., Idaho, Utah, Wyo., Colo. SIERRA CO.: Sierraville, 0, VI-16-40 (M. N.M., Nev., Calif., Ore., Wash., Ill.?. Cazier, T. Aitken, C.A.S.). California records : SONOMA CO.: Sobre Vista, 59, 8, IV-8-29-1910; INYO CO.: p, VII-12-34 (G. E. Bohart, 9, VI-31-10 (J. A. Kusche, C.A.S.). C.A.S.). YOLO CO.: Knights Landing, $!, VIII-18-40 PLkS CO.: Quincy, 4 mi. W., 9, VI-20-49 (C.I.S.). Davis, (H. Sanderson, U.C.D.). 0, V-49 (P. D. Hurd, C.I.S.). SHASTA CO.: Hat Creek, 9, VI-1-39 (W. C. Hybomitra sonomensis phaenops (Osten Sacken) Reeves); 0, VI-15-48 (L. G. Smith, C.I.S.). Tabanus phaenops Osten Sacken, 1877, West. Dipt., p . 217. Cotypes , 49, Webber Lake, Sierra Co., Tabanus aegrotus Osten Sacken Calif. Tabanus aegrotus Osten Sacken, 1877, West. States recorded B.C., Wash., Ore., Idaho, from: Dipt., p. 219. Type, ?, Napa Co., Calif. Mont., Wyo., Utah, Calif. States recorded from: B.C., Wash., Idaho, California records : Mont., Utah, Ore., Calif. ALPINE CO.: Valley, (C. Hze 9, VII-9-48 D. California records : MacNeill, C.I.S.); VII-9-48 (N. D. Waters, 0, ELDORADO CO.: Snowline Camp, 0, VI-29-48 C.I.S.). (J. W. MacSwain, C.I.S.). DEL NORTE CO.: Smith River, 9, VI-16-48 HUMBOLDT CO.: Prairie Creek, 9, v111-10-48 (C.I.S.). (W. W. Wirth, C.I.S.). Van Dusen R., 0, VII- INYO CO.: Bishop, 9, VIII-3-32 (W. B. Hems, 16-29 (VanDyke, C.A.S.). Korbel, 9, VI-16-16 C.I.S.). (F. E. Blaisdell, C.A.S.). LASSEN CO.: 9, VI-2-13 (Nunenmacher, LASSEN CO.: Butte Lake, Lassen Nat'l. Park C.I.S.). a, IX-12-48 (C. D. MacNeill, C.I.S.). WINCO.: Vallex, VI-1-25-48 Mill 69, PLACER CO.: Brockway, 9, VII-41 (G. E. (H. B. Leech, C.A.S.). Rohart, U.C.D.). MODOC CO.: Cedarville, (Cazier, 0, V-30-39 PWMAS CO.: Bucks Lake, $?,VII-14-49 (P. D Downes, Aitken, C.I.S.); data (U.C.D.). 0, same Hurd, C.I.S.). Eagleville, V-29-39 (P. C. Ting, C.A.S.). 0, SANTA CRUZ cob: Santa Cruz Mts., 9, VI-13- MONO CO.: Walker River, 9, VI-24-37 (C.I.S.) 22 (S. E. Flanders, C.I.S.). Coleville, 9, IV-6-32 (C.I.S.). 0, -Lake, SIERRA CO.: Goodyear-, 9, VII-8-23 (E. VIII-4-32 (W. B. Hems, C.I.S.). Leavitt M., 8, H. Nast, C.A.S.). VI-24-27 (J. H. Mitchell, C.A.S.). SISKIYOU CO.: Bradley, 9, VII-7-14 (C. SANTA CLARA CO.: Mountain=, V-30-41 E. 8, L. Fox, C.A.S.). Shasta Springs, 29, VII-1914 (K. Frlck, C.I.S.). (C. L. Fox, C.A.S.). SIERRA CO.: Sierraville, (M. 9, VI-16-40 TRINITY CO.: Zenia, 29, VI-19-35 (H. J. Cazier, T. Aitken, C.I.S.). 8, 0, same data Rayner, C.A.S.). Carrville, 9, VI-24-34 (C.A.S.). (VanDyke, C.A.S.). SOLAN0 CO.: Green Valley Falls Park, 8, TULARE CO.: Mineral King, 9, VII-31-35 IV-27-41 (C. D. Michener, C.IT- (C. E. Bohart, U.C .D. ) . TUQLUMNE-MONO CO.: Tioga Pass, Saddleback -Lake, 9, VII-25-48 (C.I.S.). Tabanus laticeps Hine WBA CO.: Marysville, 9, VII-4-36 (M. Cazier, C.A.S.). Tabanus laticeps Hine, 1904, Ohio Nat.2:239. Cotypes, unstated No. 8 and 9, Calif. and Hybomitra tetrica tetrica (Marten) Wash. Therioplectes tetrica Marten, 1883, Can. Ent., States recorded from: Calif., N.M., Ore., Wash. a:lll. Type, 9, Mont. Destroyed. California records: States recorded from: Alta., Mont., Wyo., Colo., ALAMEDA CO.: Berkeley, a, V-19-31 (C.I.S.);

Utah. Nev..,~ Calif. 8, IV-21-38 (T. G. Aitken, C.I.S.). California records: CONTRA COSTA CO.: E.Diablo 139, V-27-31 MONO CO.: Mammoth, 0, VII-9-33 (R. M. and (E. P. VanDuzee, C.A.S.); 9, VII-24-48 (J. J. G. E. Bohart, C.I.S.). Roland, C.I.S.). Richmond, 9, VIII-16-48 (W. PLUMAS CO.: Quincy 4 mi. W., 49, VI-20-24- w- Wirth, C.1-S.)- 49 (P. D. Hurd, C.I.S.). INYO CO.: Big Pine, 8, VI-19-29 (E. P. Van SHASTA CO.: Kt Creek, 9, VI-4-41 (E. G. Duzee, C.A.S.). Bishop, 0, VI-20-29 (VanDuzee, Linsley, C.1-S.); p, VI-1-39 (W. C. Reeves, C.A.S.).

a 18 BULLETIN OF THE CAftIFORNIA INSECT SURVEY

MARIN CO.: E. Tamalpais, 9, VII-29-48, G. Linsley, C.I.S.). (C. D. MacNeil, C.I.S.); 0, VI-20-09 (VanDyke, TULARE GO.: Potwisha, Sequola N. Pk., 9, C.A.S.). Mill Val., 29, VI-21-48 (H. Leech, VII-1-41 (E. C. VanDyke, C.A.S.). C.A.S.); 9, VI-11-25 (E. P. VanDuzee, C.A.S.); 40, VI-15-24 (VanDuzee, C.A.S.). Pairfax, 39, Tabanus productus Hine VI-18-39 (VanDyke, C.A.S.). Tabanus productus Nine, 1904, Ohio Nat.5:242. MENDOCINO CO.: Willits, 9, VI-9-32 (U.C.D.). MODOC CO.: Lake City, 9,,VII-30-22 (C. L. Cotypes. unstated no. d and 9, Lander, Wyo., Fox, C.A.S.). 5000-7000 elev. MONO CO.: Benton, 9, VII-9-42 (W. M. Pearce, States recorded from: Mont., Wyo., Colo., C.A.S.). Utah, Ore., Calif., N.M. California records: SAN FRANCISCO CO.: Sari Francisco, 9, V1-15- CO.: Lone Pine, D. 19 (C. L. Fox, C.A.S.). INYO 9, VI-9-37' (L. Phillips, C-1.S.); SAN MATE0 CO.: San Mateo, 9, VII-1-11 (J. A. 0. VI-7-37; 9, VI-6-37; 8, $?, C. Kusche, C.A.S.). Pescadero, 29, VII-15-17 (Fox, V-2-37; VI-10-37 (E. VanDyke, C.A.S.); ?j V-13-37 Gilloglyr C.A.S.); 9, C.A.S.). Redwood City, 29, VII-14-40 (E. S.I (L. R. V-29-37 (B. E. White, C.A.S.). Bishop, 6, ROSS, C.A.S.); VI-26-46 S. ROSS, C.A.S.). 29, (E. VII-5-34 (C.1-Sa); 39, VII-5-34 (C.A.S.). Searsville Lake, 29, VI-9-49 (T. Aamns, T. Owens Lake, VI-2-37 W. Prazier, C.A.S.). Aarons Coll.). -- 9, (N. SANTA CLAitA GO.: Stevens Res. , 39, VII-27-48 SAN LUIS OBISPO CO.: Paso Robles, 9, V-22- (R. Fritz, C.I.S.). Loma Prieta, 29, VI-30-48 ,28 (L. S-r Slevin, C.A.S.). (C.I.S.). Palo Alto, 9, VI-20-24; 9, VII-19-24; SIERRA CO.: Slerraville, 29, VI-16-40 (M. 0, VII-21-24; 9, VI-31; 9, VI-22-44 (C. D. Dun- Cazier, T. Aitken, C.I.S.); 29, same data can, S.J.C.). Cupertino, ?, VIII-20-24 (C. D. (U.C.D.); 39, same data (C.A.S.). Duncan, S.J.C.). Steven's Creek., 9, VIII-2-28 (C. D. Duncan, S.J.C.). San Jose, 9, X-26:48 Tabanus punctlfer Osten Sacken (C. D. Duncan, S.J.C.). Tabanus punctifer Osten Sacken, 1876, Mem. SANTA CRUZ CO.: Santa Cmz, 149, VI-24 to Bost. SOC. Nat. Hist. , 2:453. Cotypes un- VII-21-41 (J. W. Tilden, S.J.C.). stated no. 8 and 9 (lectotype 0, Utah.). SOLAN0 CO.: Vacaville, 9, VIII-24-48 (A. T. States recorded from: Wash., Ore., Ida., Mont., McClay, U.C.D.). WyO., Colo., Utah, Okla. , Tex., Ariz., N.M., YOLO CO. : Woodland , 9, VIII-26-49 (W. Nev., Calif., B.C., Santa Cruz Is., Mex. Middlekauff, C.I.S.). California records : ALAM13DA CO.: Alameda, d, VILI-15-35 (H. --Tabanus lineola scutellaris Walker VanDuzee, C.A.S.): Berkeley, 8, (VanDyke, C.A.S.). Mission San Jose, 8, v-21-16 (C.A.S.) Tabanus scutellaris Walker, 1850, Ins. Saund. , Niles Canyon, 0, IX-2-16 (W. M. Giffard, Dipt., &:27. Type, 9, N.A. - States recordedfrom: B.C., Alta., Sask., Man., C.A.S.). Oakland, 6, VII-12-14 (VanDyke, Ont., Que., Mass., Conn., N.Y., N.J., Del.a C.A.S.). Pleasanton, 9, VIII-14-33 (J. Bong- berg, C.I.S.); (A. E. Michelbacher, Pa., Md., D.C., W.Va., Ohio, Mich., Ind., 8, VI-1-33 c-1:s.). Ill., Wis., Mipn., Iowa, Kan.. Neb., S.D., ALPINE CO. : N.D.9 Mont., Wyo., Colo., Utah, Idaho, Nev., Calif., Ore., Wash. AMADOR CO. : California records: BUTTE, CO.: Oroville, VI-2-21 (C.I.S.); V-11-21 (C.1.S.); VI-4-21 (C.I.S.). IMPERIAL C0.:- Meloland, $?,VI-9-49 (R. v.d. 9, a, Bosch, C.I.S.). Chicoy 92 IX-31-20 (C.1-S.)- INYO CO.: Westgard Pass, 8, VI-3-37 (N. W. cAIkAms co. : Frazier, C .A.S.). COLUSA CO-: Williams, 29, VII-7-48 (W. - Middlekauff, C.I.S.). PLUMAS CO.: Quincy, 4 mi. W. , $, VI-21-49 (p. D. Hurd, C.I.S.); 9, VI-25-49 (J. W. CONTRA COSTA COS: 91 VII-3-1931 (C-1.S.); MacSwain, C.I.S.). Antioch, $?,IX-26-32 (C.I.S.); 9, VII-27-41 ((VanDyke, C.A.S.); 8, IX-20-36 (E. C. TFtINITY CO.: Carrville, 400-2500' elev., 8, VanDyke, C.A.S.). Brentwood, VII-30-40 VI-9-34 (E. C. VanDyke, C.I.S.). 0, (C.I.S.). Tabanus monoensis Hine DEL NORTE CO. : ELDORADO CO. : Tabanus monoensis Hine, 1924, in Webb and Wells, FRESNO CO.: Flrebaugh, 9, VIII-12-47 (V. M. U.S.D.A., Dept. Bull. 1218, p. 29. Type, 9, Stern, C.I.S.); 2?, VII-5-47 (V. M. Stern, Topaz, Mono CO., Callf. C.1.s.); ?, VI-17-49 (Ray Smlth, C.I.S.). States recorded from: Calif., Ore. -Oxalis, 9, VII-15-47 (V. M. Stern, C.I.S.). California records: Chowchilla, 9, IX-2-47 (R. Coleman, C.I.S.). CONTRA COSTA CO.: Brentwood, 8, VII-20-40 GLENN CO.: 49, 1938 (B. Holdenreid, C.A.S.). (C.I.S.). HUMBOLDT CO. : Blocksburg, 0 , VI-10-35 (E. LOS ANGELES CO. : Q. near Claremont, 9, no W. Baker). date (Baker, C.S.D.A.). IMPERIAL CO.: El Centro, 9, X-5-23 (J. D. SIERRA CO.: Downieville, 9, VIII-29-48 (E. Gunder, C.A:S.); 0, 28, IX-25-48; 8, IX-13-48 THE HORSE FLIES AND DEER FLIES OF CALIFORNIA 19

(R. Coleman, C.I.S.). Westmorland, 9, IV-25-49 SACRAMENTO CO.: Walnut Grove, if, IX-7-47 (L. W. Quate, C.I.S.); 8, IV-6-49 (P. D. Hurd, (C. D. MacNeill, C.I.s.).- C.I.S.). SAN BERNARDINO CO. : INYO CO.: Lone Pine, 9, VI-14-37 (L. R. Gil- SAN DIEGO CO. : Barona Indian Res., 9, logly, C.I.S.); 79, VI-16-37 (L. R. Gillogly, V-12-43 (E. W. Clark, C.I.S.); San Diego, b, C.1.S.); 9, VI-12-37 (C.1.S.); 9, IV-23-37 (N. (F. E. Blaisdell, C.A.S.); San Diego, Desert W. Frazier, C.I.S.); 9, VI-5-37 (VanDyke, Edge, $?,IV-18-15 (M. C. VanDuzee, C.A.S.). C.A.S.). Death Valley, Cow Creek, 29, VI-19-48 SAN FRANCISCO CO. : -San Francisco, 0, VI-15- (C.I.S.); Death Vailey, $?,IV-26 (J. D. Gunder, 19 (C. L. Fox, C.A.S.). C.A.S.); Bad Water, 9, 111-13-41 (T. Aitken, SAN JOAQUIN CO. : C .A.S. ) . Owen's Valley, 9, V-20-37 (J. W. John- SAN LUIS OBISPO CO.: son, C.I.S.). Olancha, sg.s., ?, VIII-6-48 SAN MATE0 CO.: S3 hj- 28, VI-15-1911 (P. D. Hurd and J. W. MacSwain, C.I.S.). Owen's (J. A. Kusche, C.A.S.). -Lake, 8, VI-2-37 (N. W. Frazier, C.I.S.); 8, SANTA BARBARA CO. : Carpenteria, 8, VI-3-34 VI-2-37 (T. Aitken, C.A.S.). Little Lake, 8, (M. Cazier, C.I.S.); 8, VI-5-34 (E. E. White, VI-7-29 (R. L. Usinger, C.A.S.). C.A.S.). HERN CO.: McKittrick, 8, V-3-41 (9. Frick, SANTA CLARA CO.: San Antonio Valley, 28, C.I.S.). Bakersfield, 9, VII-17-38 (T. Aitken, VIII-12-48 (Ray Smith, C.I.S.). C.A.S.). SANTA CRUZ CO. : Santa Cruz, 26, VII-1904 KINGS CO.: (C.A.S.); 0, VI-14-09 (E. A. Dodge, C.A.S.); 8, LAKh cb.: IX-23-24 (E. A. Dodge, C.A.S.). LASSEN CO. : Hallelujah Jct., 9, VI-27-49 SHASTA CO. : (J. W. MacSwain, C.I.S.); 9, VII-13-49 (Claude SIERRA CO.: I. Smith, C.I.S.). SISKIYOU CO.: Beds Nat'l Mon., 9, VIII- LOS ANGELES CO.: San Dimas, 9, X-28-38 24-40 fT. Aitken, C.A.Sr (K. Frick, C.I.S.). Whittier, 8, XI-28-09 SONOMA CO.: Petaluma; 9, X-19-42 (K. Frick, (G. R. Pilate, C.A.S-). Short Cut Canyon, 1.l. C.I.S.). Santa Rosa, 8, VI-15-42 (K. Frick, Fork San Gabriel R., 9, IX-11-11 (J. I. Carlson, C.I.S.). C.A.S.). STANISLAUS CO . : MADERA CO. : SYTTER CO.:. $?, VII-10-37 (D. Howell, C.A.S.). MARIN CO.: war Valley, 9, VII-1914 (C. L. TEHAMA CO.: z,$?,VI-7-20 (S. J. Free- Fox, C.A.S.). born, C.I.S.). MARIPOSA CO.: TRINITY CO. : Carrville, 9, 2400-2500'. elev., ~NDOCINO co. : V-23-34 (E. C. VanDyke, C.A.S.). MERCED CO.: Los Banos, mi.&, 159, VIII- TULARE CO.: Wood L., 9, IV-28-47; 9, VI-6-47; 23-48 (C.I.S.). Los Banos, 9, v-23-18 (E. P. 8, IV-30-47;&, IV-5-47;8, V-20-47 (N. W. VanDuzee, C.A.S.). Dos Palos, 9, 28, VIII-7-48 Frazier, C.I.S.). (C. A. Hanson, C.I.S.); 9, VIII-21-47 (V. M. TUOLUMNE CO. : Stern, C.I.S.). Dos Palos, 8 mi. S., 8, VII-11- VlWIVFtA CO.: Saticoy, 9, VI-18-27 (T. Craig, 46 (R. Smith, C.I.S.). Panoche Hills, 9, IV- C.A.S. 1. 29-22 (VanDyke, C.A.S.). YOLb CO.: Knight's Landing, 9, IX-17-42 MODOC CO.: Cedarville, 2 mi. &., 8, VII-9-46 '. Galindo, T. Kelley, C.I.S.). Clarksburg, (P. D. Hurd, C .I. S.) ; 6, V-30-39 (P. C. Ting, V-20-31 (C.I.S.). Davis, a, V-1-40 (C-I.S.); C.A.S.). Buck Creek, 9, VII-22-22 (C. L. Fox, VIII-9-46 (R. M. Bohart, U.C.D.); 9, v-22-26 C.A.S.). (U.C.D.); 9, VIII-14-46 (R. M. Bohart, U.C.D.); MONO CO.: Hat Creek, 9, VIII-1-36 (R. M. and 8, VI-28 (F. Wymore, U.C.D.); 0, v-15-26 G. E. Bohart, U.C.D.).Mono Lake, 9, VI-24-37 (U.C.D.); 9, IX-3-35 (B. E. White, C.A.S.). (N. W. Frazier, C.A.S.). YUBA CO. : MONTE-Y CO.: Salinas, 9, VII-29-40 (Aitken, C.A.S.). --Tabanus stonei Philip NAPA CO. : --Tabanus stonei Philip, 1941, Can. Ent., u:144 NEXADA CO. : Type , ?, Bozeman, Mont. ORANGE CO.: Costa Mesa, 9, VIII-15-39 (P. D. States recorded from: B.C., Alta., Wash., Ore., Hurd, C.I.S.). Newport-, 9, Iv-16-41 (P. D. Idaho, Mont., Wyo., Colo., Utah, N.M.?, Hurd, C.I.S.). Calif. PLACER CO. : California records: PLUMAS co.: MONO CO.: Benton, 9, V-22-41 (W. M. Pearce, RIVERSIDE CO.: Ripley, 7 mi. &, 9, VII-10- C.A.S.). 46 (J. W. MacSwain, C.I.S.). Blythe, 7 mi. N.,

VII-23-46 F. P. D. Hurd. C.1.S.):I. Q.*- {W. Barr. Tabanus vittiger nippontucki Philip 29, VI-17-46 [C.I.S.); 9; VI-15-47 (J. W. MacSwain, C.I.S.); 29, VI-24-45 (C.I.S.). Hemet, Tabanus vittiger nippontucki Philip, 1942, 0, VII-24-46 (J. W. MacSwain, d.1.S.). Salton Psyche, 2:32. Type, if, Coachella, near a,29, VI-22-48 (A. T. McClay, U.C.D.). Salton Sea, Calif. --Soboba Spgs., 8, 5-31-17 (VanDuzee, C.A.S.). States recorded from: Calif., Ariz. Palm Spriws, 0, VI-25-41 (E. C. VanDyke, C.A.S.). California records: 20 BULLETIN OF THE CALIFORNIA INSECT SURVEY

RIVERSIDE CO.: Blythe, 8, v111-9-46 (w. F. SOC. 3(1):117, Type, 0, West Fork, Ravalli Barr, C.I.S.); d, VIII-22-46 (P. D. Hurd, Go., Mont. C.I.S.); 9, VIII-28-46 (P. D. Hurd, C.I.S.); ?, States recorded from: Calif., B. C., Idaho, V-9-47 (E. G. Linsley, C.I.S.); 0. V-21-47 (R. Ore., Mont., Nev., Utah, Wash. F. Smith, C.I.S.). California records: IMPERIAL CO.: Niland, 29, 28, IV-25-49 (L. ELDORADO CO.: Pollock Pines, 9, VII-14-48 W. duate, C.I.S.). Blythe, 6, VIII-21-46 (P.D. (J. W. MacSwain, C.I.S.); 9, VI-22-48 (0. E. HUM, C .A.S. ) ; 9, VIII-23-46 (W.F. Barr, C .A.S.). Myers, C.I.S.). Chile Bar, 9, VII-5-48 (W. E. Kelson, C.I.S.). Snowline Camp, 6, VI-30-48 -____Tabanus kesseli Philip (W. E. Kelson, C.I.S.). SANTA CLARA CO.: Lorna Prieta, 9, VI-30-48 Tabanus kesseli Philip, 1950, Ann. Amer. Ent. (C.I.S.).

c LITERATURE CITED

Brennan, J. S. 1935. The Panganiinae of Nearctic America. Univ. Xan. Sci. Bull. 2:249-401.

Pechuman, L. L. 1938. Two new Nearctic Silvius. Can. Ent. 111: 165-171.

Philip, C. B. 1941. Notes on three western genera of flies. (Diptera, Tabanidae). Bull. Brook. Ent. SOC. 36(5):185- 199

1947. A catalog of the blood-sucking fly family Tabanidae of the Nearctic region north of Mexico. Amer. Mid. Nat., -37(2):257-324. Stone, Alan 1938. The horseflies of the subfamily Tabaninae of the Nearctic region. U.S.D.A. misc. pub. no. 305, 171 pp., June.

PLATE AND EXPLANATION PLATE I

WVALIWE 1 RIAWL L

FLABELLUM PEDICEL SCFPE - --YEMAN CALLUS .c... I -'--BASAL CALLUS

1. .' AN~ULI F E

EXPLANATION OF PLATE I

Fig. A.-Wing of Hybomitra sp., with terminology of wing venatibn.

Fig. B.-Dorsal abdominal pattern of Chrysops surda O.S.

Fig. C.-Wing picture of Chrysops coloradensis Bigot.

Fig. D.-Antenna of typical Tabanus.

Fig. E.-Antenna of Chrysops coquilletti Hine, illustrating incrassate (swol1en)scape.

Fig. F.-Front view of head of typical female Tabanus, showing the widely spaced eyes and frontal callosities.

E241