THE RHIPIPHORIDAE of CALIFORNIA (Coleoptera)

BULLETIN OF THE CALIFORNIA INSECT SURVEY VOLUME 1, NO. 3

THE RHIPIPHORIDAE OF CALIFORNIA (Coleoptera)

BY E. G. LINSLEY and J. W. MacSWAIN

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

UNIVERSITY OF CALIFORNIA PRESS BERKELEY AND LOS ANGELES 1951 BULLETIN OF THE CALIFORNIA INSECT SURVEY

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

Volume 1, No. 3, pp. 79-88, plate 9

Submitted by Editors, December 14, 1950

Issued June 29, 1951

Price 25 cents

UNIVERSITY OF CAI.IFORNIA PRESS

BERKELEY AND LOS ANGELES

CALIFORNIA

CAMBRIDGE IJNIVERSITY PRESS

LONDON, ENGLAND

PRINTED BY OFPSfiT IN THE UNITED STATES OP AUkalU THE RHIPIPHORIDAE OF CALIFORNIA (Coleopterd)

The Rhipiphoridae are a small family of beet- collections: California Insect Survey, Univer- les with only a few hundred species known from sity of California, Berkeley (C.I.S.); California the enkire world. lhe group is of special inter- Academy of Sciences (C.A.S.); United States est because of its remarkable biology. ne spe- National hseutn (U.S.N.M. ) ; Museum of Comparative cies are parasitic in the larval stage, spending Zoology, Harvard (M.C.2.); American Museum of the early part of their developnent as internal Natural History (A.M.N.H. ); kiversity of Calif- parasites, their later developnent as external ornia, College of Agriculture, Davis (U.C.D. ); parasites, a habit otherwise almost unknown in the University of California, Citrus Experiment Sta- Coleoptera. The genus Rhipiphorus is parasitic an tion, Riverside (U.C.R. 1; and State Department of the larvae of bees, the California species, so far Agriculture, Sacramento (C.S.D.A. 1. We are in- as known, mainly on gregarious species of Nolnia debted to the authorities of the above institu- (Halictidae) and Diadasia (Anthophoridae) (Linsley tions, as well as to certain individuals whose re- and MacSwain, 1950). Macrosiagon, elsewhere records are separately acknowledged, for permission ported as parasitic on the larvae of wasps of the to study the specimens which have formed the basis families Wicidae, Tiphiidae and Scoliidae, has of this report. not been studied biologically in California. For a suinnary of the published information on the hab- Because of the rarity of most species in col- its of rhipiphorids see Balduf (1935) and lectians, the distributional records include both Clausen (1940). new and published information derived from specimens which have been seen by the authors. In Horn (1875) and Leconte (1880) in their revi- order to avoid confusion as to the source of each sions of kcrosiagon and Rhipiphorus, record two record, those reported here for the first time species of the former, one of the latter from are indicated by an asterisk. Since adults of California. More recently %may (1929) in his both Rhipiphorus and kcrosiagon oviposit on flow- revision of the North and Central American wlipiph- ers which provide a source of infestation for host oridae, reports two species of Rhipiphorus and bees and wasps, flower records are important and five species of Macrosiagon from this state. In we have reported them in detail where such infor- the following pages we have recorded ten species mation was available. Male records, especially of Rhipiphorus and six species of Macrosiagon fran in Rhipiphorus, are nuch less numerous than those California and have included in the keys a few of females, since in many species the males live additional species which are likely to occur in only one day frequenting the nesting site of the the state. host, and are not found on flowers. Although the females, too, are short-livedthey have a long sea- As in previous publications in this series son of emergence (two or three months). Series of we hare reported the location of the specimens females may be taken by exemining the same flowers from which records have been taken. We have used day after day. the following abbreviations for institutional

Genera of Rhipiphoridae Pronotum without a process on posterior median lobe or with a small cup-like Elytra elongate, attenuate, dehiscent; claws bi- concavity; vertex without a distinct fid ...... Macrosiagon (p.79) frontal concavity ...... 3 Elytra short, scale-like, not extending beymd second abdaninal segment; claws pectinate or 2 (1). Head and thorax brown; tibial spines trun- multidentate ...... Rhipiphorus (p.80) cate; wings yellowish-hyaline; antennal rami of female bifurcate. 7-11 mn. Central and southern California ... Species of Macrosiagon ...... fernatdun (p.83) &ad and thorax black; tibial spines 1. Pronotum with a distinct process on pos- acute; wings brown; antennal rami of terior median lobe; vertex with dis- female acute or truncate. 7-11 mn. tinct concavity on front of elevation. Atlantic cqast to southern California ...... 2 ...... flauapenne (p.83) 79 80 BULLETIN OF THE CALIFORNIA INSECT SURVEY

3( 1. Posterior tarsus with second segment or piceous ...... 3 shorter than or subequal to third . .5 Head and thorax dark, abdomen wholly or Posterior tarsus with second segment la- partially reddish or yellow ... 6 ger than third ...... 4 Antennae ten-segmented ...... 4 4( 1. Male with at least head and pronotum Antennae eleven-segmented ...... 5 black; female with head and pronotum usually black, less carmcnly reddish- Pygidium subtriangular, about as long yellow (var. rufum), sternum black. as broad; posterior tarsal claw with 5-8 mn. North America ...... eleven teeth on inner margin. 4.5-8 ...... crwntur cruentum (p.81) mn. Eastern California ...... Male with at least head and pronorim pale ...... Zuteipennis- hurdi (p.85) yellow-brorm; female with head and Pygidium nearly twice as long as broad. pronotun pale yellow-brown, sternum 4-7 ma. Nevada . . neuadicus (p.85) wholly or partly yellow-brown. 6-8 mn. Utah'to California (desert areas) . . Pygidium but little longer than broad ...... cruentun flunineun (p.82) with disk transversely rugose or striate; posterior tarsal claw with 5 (3). Posterior tarsus with second segment, ten inner teeth. 8-9 mn. Cali- shorter and thicker than third ...6 fornia ...... diadasiae (p.84) Posterior tarsus with second segment sub- Pygidium one and one-half times as long equal to third, slightly thicker, as broad with disk smooth; posterior flattened above; vertex much elevated; tarsal claw with six inner teeth. body black, elytra yellow with apices 6.5 mn.' Southern California to black or bnm. 5-11 mn. North Washington ...... sexdens (p,85) America ...... dimidiatua (p.83) Antennae eleven-segmented ...... 7 6 (5). Vertex truncate, flattened OF slightly con- Antennae ten-segmented; pronotum, ex- cave in front; occiput with a distinct cept smooth areas, very densely punc- suture...... 7 tate; posterior tarsal claw with Vertex rounded, convex in front; occiput seven inner teeth. 5-8 mn. Southern without a distinct suture. 3.5-8 mn. California .....epinomiae (p.84) North America .... pectinatam (p.84) Pronotum almost irnpunctate; abdomen 7 (6). Pronotum red, elytra yellow; posterior wholly or predominantly reddish- tarsus with apex of first two segments yellow; posterior tarsal claw with produced. 7-11 mn. Eastern U.S. to four or five inner teeth; length 4-7 southern California .... sayi (p.84) mn...... 8 Prmotm and elytra coplcolorous; posterior Pronotum distinctly punctate; abdanen tarsus with apex of first two segprents straw-yellow with tergites and ster- not produced. 5-12 mn. Florida to ni tes largely black; posterior tarsal southern California octomculatum (p.83) claw with seven inner teeth. 9-11 w. New Mexico and Utah to southern California ..... uierecki (p.86) Species of Rhipiphorus First antennal rams about one-fourth as Antennae pectinate, the segments bearing a long as antenna; wings clear at base single rams ...... females and apex, infuscated at middle; pos- Antennae biflabellate, the segments bearing terior tarsus with second segment two rami ...... males only me and me-half times as long as third...... 9 FEMALES First antennal ramus half as long as an- 1. First segment of posterior tarsus obliquely tenna; wings infuscated from base to truncate at apex, usually elevated and apical third; posterior tarsus with shorter than following sewnts cm- second segment twice as long as third. bined ...... 2 5.5-6 mn. Texas to Arizona (Yuma) . . First segment of posterior tarsus not ob- ...... eremicola (p.85) liquely truncate at apex, not or scarcely elevated, about as long as follow- Pygidium entirely yellow; posterior tar- ing segments combined ...... 10 sal claw evenly rounded, with four inner teeth. 5 mn. Southern Calif- 2 (1). Head, thorax and abdomen concolorous black ornia ...... dammersi (p.84) THE RHIPIPHORIDAE OF CALIFORNIA 81

Pygidium brown, except at base; poster- punctate; posterior tarsi with about ior tarsal claw rounded beyond middle, seventeen teeth on tarsal claw. 6 with five inner teeth. 4-6 mn. Cen- mn. So. California epinoariae (p.84) tral California ....smithi (p.85) 10 (1). Pronotum with distinct smooth areas; 4 (3). Tarsal claw with ten inner teeth; an- posterior tarsus with second segment tennae distinctly darker tuward less than three times as long as apex. 8.5-10 mn. California third ...... -11 ...... diadasiae (p.84) Pronotum without distinct smooth areas; Tarsal claw with seven or eight inner posterior tarsus with second segment teeth; antennae concolorous fran nearly four times as long as third. base to apex. 6-7 mn. Southern Calif- 8 mn. Southern California ...... ornia to Washington. . sexdens (p.85) ...... blaisde2Zi (p.84) 11 (10)- Abdomen predominantly brown; posterior 5 (2). honotum almost impunctate; abdomen tarsus with first segment between wholly or partially reddish or three and four times as long as broad. reddish-yellow; posterior tarsal 3.4-5.5 mn. Utah, Idaho and Washing- claw with six or eight inner teeth; ton to northern California ..... length 4.5-7 IIID...... 6 ...... cazifornicus (p.84) Pronotum distinctly punctate; abdomen Abdomen predominantly red; posterior straw-yellow with tergites and ster- tarsus with first segment five or nites largely black; posterior tar- six times as long as broad. 5-7 mn. sal claw with nine inner teeth. Utah and British Columbia to Calif- 8.5-10 mn. New Mexico and Utah to ornia (Sierra Nevada)rutchleri (p.85) southern California .uierecki (p.86)

MALES 6 (5). Eighth tergite entirely yellow; posterior tarsal claw evenly rounded, with 1. First segment of posterior tarsus ob- six inner teeth. 4.5-6 mn. South- liquely truncate at apex, usually ele- ern California ...danznrersi (p.84) vated and shorter than following Eighth tergite almost wholly brown; segments combined ...... 2 posterior tarsal claw rounded beyond First segment of posterior tarsus not middle, with eight inner teeth. 5-7 obliquely truncate at apex, not or mu. Central Q1iforni.a snithi (p.85) scarcely elevated, about as long as following segments canbined ....6 7 (1). Wings hyaline or lightly infuscated at middle; posterior tarsal claw with 2 (1). Head and thorax dark, abdanen at least from eleven to thirteen inner teeth. partially reddish or yellowish . . 4 4-5 m. Utah, Idaho and Washington Head, thorax and abdanen concolorous to northern California...... black ...... 3 ...... caI ifornicus (p.84) Wings distinctly infuscated at middle; 3 (2). Antennae reddish-yellow to brown; pro- posterior tarsal claw with from notum almost impunctate; posterior nineteen to twenty inner teeth. 6.5- tarsi with at most ten teeth on tar- 7.5 mn. Utah and British Columbia sal claw...... 4 to California (Sierra Nevada) ... Antennae straw-yellow; pronotum densely ...... nrutchleri (p.85) Discussion of Species

Genus Macrosiagon Hentz the usual black. These are the variety rufm LeConte, 1854. We have seen no males with this Mucrosiagon cruentum cruentunt (Germar) color character. Rhipipharus eruentus Germar, 1824, Ins. Spec. States recorded from: Nov., 1:168. Va., N.C., Fla., *Ala., La., *Tenn., Ark., Discussion: *Kans.,Tex., Ariz., *Idaho, Utah, *Ore., Calif., This subspecies varies in color, especially Mex. in the female. A small percentage of the females in most localities in western North America have *California records: the head and pronotum reddish-yellow rather than ALAMEDA CO.: Niles Canyon, 6, M-9-38 a2 BULLETIN OF THE CALIFORNIA INSECT SURVEY

(E. C. VanDyke, C.A.S. ). S. Ross, C.A.S. 1; $, V-21-41 (E. C. VanDyke, FSJ'm Go.: Yankee Hill, 8, IV-12-49, flow- C.A.S.); 2 9, 16, V-27-39 (E. S. ROSS, C.I.S.); ers Compositae (J. W. MacSwain, C.I.S.). 3 $, V-30-39, flowers Erigonwr (E. G. Linsley, CAIAVERAS CO.: Mokelme Hill, 9, V; 9, C.I.S.); 9, VII-29-46, flowers Erigonunr (P. D. VIII; 9, IX; 3 9, VIII-6-07; $, VII-15-10; 9, VII-20- Hurd, C.I.S.). Soboba Springs, 9, 2 6,VI-3-17; 10 (F. E. Blaisdell, C.A.S.). $, V-31-17; 9, VI-5-17 (E. P. VanDuzee, C.A.S.). DEL NCRTE CO.: Klamath, 8, VII-18-34 (E. P. San Gorgonio Pass, $, V-28-41 (E. C. VadVke, VanDuzee, C.A.S. 1. C.A.S. ). Hemet, $, VII-23-46, flowers Solidago EllMRADO CO.: Chile Bar, 9, VII-5-40 (W. E. (J. W. MecSwain, C.I.S.). Riverside, 8, V-18-25, Kelson, C.I.S. ). flowers Eriogonw fasciculatm; 9, V-21-25, flow- FRESNO CO.: Coalins, 5 9, V-11-30 (R. Hop- ers Eriogonunr fasciculatlun; 8, V-27-29, flowers ping, C.A.S. 1. Eringonum fasciculatum; 2 9, IV-23-34, flowers Erio- INYO CO.: Big Pine, 2 5, VI-18-29 (E. P. gonum fasciculatum; 9, V-17-34, flowers Eriogonum VanDuzee, C.A.S. 1; Owens Lake, $, VII-27-11, flow- fasciculatwr; $!, IV-1-35, flowers Pluchea caaphor- ers Asclepias (J. M. Aldrich, C.A.S.); 5 9, VII- ata; 9, X-20-37; 9, V-13-29, flowers Euccharis 27-11, flowersAscZepias (J. M. Aldrich, U.C.R.). einoryi (P. H. Timberlake, U.C.R.). Temecula, 9, Lone Pine Creek, 9, VI-6-39, flowers Etiogonum (€3. M. VTI-4-50, flowers Eriogonlun (E. G. Linsley & J. W. Bohert, C.A.S. 1; 6, VI-6-39, flowers Ertogonur fasci- MacSwain, C.I.S. 1. culatm (R. M. Bohart, U.C.D. ). Lone Pine, 9, 6, VI- ShN BERNARDINO CO.: Forest Home 9, VI-23-28 20-37 (N. W. Frazier, C.I.S.). Olancha 10 mi, S., (E. C. VanDyke, C.A.S.). Yem, 2 $, V-23-40 9, VIII-6-48 (P. D. Hud & J. W. MacSvain,C.I.S.). (G. E. Bohart, C.A.S.). Cronise, $, VII-7-38, Independence, 6, VII-17 (Wickham, U.S.N.M. 1. flowers Asclepias erosa (P. H. Timberlake, U.C.R.). KERN CO.: Isabella, 4 9, 16, VI-2-13; 5 Kramer 15 mi. S.E., 5 $, V-30-50, flowers Asclepias 9, 16, VI-1-13 (R. Hopping, C.A.S.). Havilah, (H. E. Cott& C. D. MacNeill, C.I.S.). Camp Baldy, 9, VI-1-13 (C. R. Pilate, C.A.S.). Salt Lake, 9, 6, VI-25-50, flowers Eriogonum (H. Hansen,

I 2 9, VI-23-48 (A. T. Mdllay, U.C.D. ). G.1.S.); 8, VII-11-50, flowers Eriogonwn (J. W. LAKE CO.: 9, VII-22-34 (E. P. MacSwain, C. I.S. ) . Cronise Valley, S.W. of Baker, VanDuzee, C.A.S.). Hullville, 6, VI-13-17 (F. E. 9, V-21-50, flowers Asclepias (C. D. MadVeill, Blaisdell, C.A.S. 1. C.I.S.). LASSEN cO.: Susanville, 3 ?, VII-23-15 (R. SAN DIEGO CO.: 9. VIII-1913 Ihg, C.A.S. 1- Hopping, C.A.S. 1. Paway, 5, I1 (C.A.S.). Jacumba, 9, X-13-25 (J. D. LOS ANGELES CO.: Cole, 6,VII-2-04 (A. Gunder, C.A.S.). San Diego, $, (Wickham, U.S.N.M.). Fenyes, C.A.S. ). Pasadena, 6, V-1892, 4 9, 1 d', SAN WIS OBISPO CO.: School Canyon, 9, V-1897 (A. Fenyes, C.A.S.); 5, M-12-32 (A. T. VI-10-17 (Hopping, C.A.S.). Way, U.C.D.). Tanbark Flat, San Dimas Experi- SHASTA CO.: $, 6, VII-3-21 (J. A. KwChe, mental Forest, 2 9, VI-24-50, flowers Eriogmw C.A.S. 1. Castle Crags, 9, d', 'VIII-2-98 (A. Fenyes, (T. Haig, C.I.S.); 4 9, VI-24-50, flwers C.A.S.). Hat Creek, 5 mi. N., 8, VI-25-47 (C. A. Eriogonm (R. 0. Schuster, C.I.S. 1; 9, VI-24-50, Hanson, C.I.S. 1. flowers Eriogonm (P. D. Hurd, C.I.S.); $, SISKIYW CO.: $, VI11 (A. Koebele, C.A.S. 1. VI-25-50, flawers Eriogonum (J. W. MacSwain, Dunsmuir, 9, 6, (Wickham, U.S.N.M., C.A.S.). C.I.S.). Shasta Springs, 9, 6, -1-6-04 (A. Fenyes, C.A.S.). MARIN CO. : 9 (E. C. VanDyke, C.A.S. ). Yreka,- 4 9, M-10-37 (A. T. McClay, U.C.D. 1. ENDCCINO CO.: DOS R~os, 9, V-27-39 (W. F. VEN- CO. : 9, V-9-13 (E. 0. Fssig, Barr); 6, V-28-39 (W. F. hrr). C. S. D.A. 1. MMTEREY CO. : Paraiso Springs, 9, V-31-16; YOLO CO.: Davis, 9, V-23-36 (€3. M. Bohart, 9, IX-1-24; 9, VI-18-30; 9%VII-16-33; 9, U.C.D. 1. VII-23-33 (L. S. Slevin, C.A.S. 1. Cannel, 9, Host: unknown. X-2-13 (L. S. Slevin, C.A.S.). Macrosiagon cruentum fiumineurn NEVAM CO. : 2 8 (E. 0. Essig, C.S.D.A. 1. Truckee, 6, VI11 (Wickham, U.S.N.M. 1. Linsley and MacSwain a Beach 3 $, 2 VIII-7- CRANCE co.: 6, dlacrosiagon cruenturn f luninem Linsley and Mac- 36, f!owers Eriogonw fascicu atw (P. H. .Swain, 1950, Wasmann Jour. Sol., 8:238. (Type, Timberlake, U.C.R. 1. 9, Imperial Valley, California, C.A.S. ). PLACER CO.: 2 9, 16, (H. S. Smith, U.C.R.). Applegate, 8, YfI-20-37- (A. T. Way, U.C.D.). States recorded from: RIVERSIDE CO.: Pinon Flat, 6, V-27-39 (E. Utah and Calif. THE RHIPIPHORIDAE OF CALIFORNIA 83

California records : California records: IMPERIAL CO.: 9, M-1910 (F. E. Blaisdell, *KERN co.: Arvin, 2 Q, V-14-38 (F. D. Horn, CAS.); SI VI-1911 (E. C. VanDyke, C.A.S.). c. I.S. ). RIVERSIDE CO.: Mecca, 9, VII-13-35 (D. L. RIVERSIDE CO.: Palm Springs, 2 Q, 2 6, Tieman, C.A.S. 1. Blythe, 9, VIII-31-46, flowers V-20-05 (A. Fenyes, C.A.S.); S, 6,VI-8-16; 4 9, Aster spinosus (J. W. MacSwain, C.I.S.). 3 6,V-15-17 (J. 0. Martin, C.A.S.); 2 0, 16, *SAN BERNAPDINO CO.: Qonise Valley, 17. V-22-17 (E. P. VanDuzee, C.A.S.). S.E. Baker, 6,V-27-50, flowers Asclepias (H. E. %AN BEWARDIN0 CO.: Daggett, d (A. Fenyes, Cott, C.I.S.). Kramer Junction, 15 mi. E., 2 Q, C.A.S. I. Yermo, 9, 6,V-23-40 (C. E. Ebhart, VI-15-50, flowers Asclepias (J. W. Madwain, C.A.S.). Crmise, 0, VII-7-38, flowers Asclepias C.I.S.). erosa (P. H. Timberlake, U.C.R.). Host: unknown. *SAN DIEGO CO.: Pine Valley, 2 9, VI-20 Macrosiagon dimidiatum (Fabricius) (C.A.S.). San Felipe Valley, 9,. VII-20 (C.A.S.); 4 Q, 6, VI-7-4QI flowers Asclepias (C.A.S.); 2 MordeZZa dimidiata Fabricius, 1781, Spec. Ins., 9, 2 6, VI-7-40, flowers Asclepias (F. R. Rindge 1:332. (Type locality unknown). & B. Slocum, C.I.S.). States recorded from: "ULARE CO.: Porterville, 0, 6,VII-13 (E. C. VanDyke, C.A.S.). Lindsay, 2 Q, 2 6,VIII-4- N.H., N.Y., N.J., N.C., Va., Fla., Mo., Ark., 11; S, VII-16-09; 3 Q, 6,VI-28-09; 9, 6,VII-15- *Ken., *&la., *N.M., Tex., *Ariz., *Nev., *Idaho, 09, all flowers Asclepias (W. A. Davidscm, *Wash., *Ore., and Calif. U.S.N.M. ). *California records : Macrosiagon pavipenne (LeConte) CCN'IRA COSTA CO.: Akioch, 9, VIII-10-41 (E. C. VanDyke, C.A.S.). Rhipiphorus f lavipenne LeCoIlte, 1866, Smiths. ELDORADO CO.: hino 3 mi. S., 6,VI-23-48, Misc. Col. , 6:153. (Type,6, New York, M.C.Z. 1. flowers Compositae (P. D. Hurd, C.I.S.). FRESNO CO. : Firebaugh, 9, MII-4-47, flow- States recorded from: ers Asclepias (I). van den Bosch, C.I.S.). Mass., *Gam., N.Y., N.J., *Pa., Va., N.C., INYO CO.: Big Pine, 9, VI-18-29 (E. P. Van- Ga., Fla., Ala., La., *Ill., *Mu., Kans., Tex., Duzee, C.A.S.) . Calif. LC6 ANGEES CO.: Q, VII-1937 (R. H. Smith, U.C.D.), Los hgeles, 9, VI-15-22 (E. C. Venl)yke, *California records: C.A.S.). Palmdale, 0, X-6-35 (E. G. Linsley, Lo6 ANGEES cO.: Palmdale, 9, VI-%l8 (J. 0. C.1.S.); 6,X-5-35 (A. T. Way,U.C.D.). Martin, C.A.S.). Claremont, 6,M-7-27 (T. RIVERSIDE co.: Hemet, Q, M-21-37 (A. T. Craig, C.A.S. ). McClay, U.C.D.). Hemet 10 mi. W., 6,VIII-11-46 RIVERSIDE CO.: Riverside, 6, fi-11-27, flow- (J. W. MacSwain, C.I.S.). Riverside, 2 6, ers Isoco~lavernonioides (P. H. Timberlake, M-5-38 (C. M. DemDers, U.C.R.). Temecula, 9, U.C.R.). Hemet, 9, VIII-22-46 (J. W. Madwain, VII-4-50, flowers Eriogonm (E. G. Linsley & J. c. IS. 1. W. MacSwain, C.I.S.). SAN BERNARDINO CO.: Moron Q, 8, M-26-44, SAN DIEGO CO. : hay, 3 9, (F. E. Blaisdell, flowers sli&go confinis; di-44,flowers C.A.S.). San Diego, 0, VIII-23-90 (F. E. Blais- Solidago confinis; $, M-B-44, flowers Solidago dell, C.A.S. 1. confinis (P. H. Timberlake, U.C.R. ). Host: unknown. SAN DIE0 CO.: 9, VIII-30-80(C.A.S. ). Beslbzr spin010e 1915). Macrosiagon fernaldum Rivnay' Host: Le-pletier(Barber, Macrosiagon fermldun Am. Rivnay, 1929, Mem. Fnt. Macrosiagoiz octomaculatum (Gersta&er) Soc., 6:26. (Type, 6,Lindsay, Calif., U.S.N.M.). Rhip iphorus octomaculatus Gerstacker, 1855, States recorded from: Rhipiph. Col. Fam., p. 22. (Types Illinois and Calif. J3razil). States recorded from: 'First reported fran California by Horn (1875) 'Va., N.C., Ga., Fla., Ala., Ill., *Mo., as a variety of flauipcnnc (Lconte). Kens., Tex., *N.M., A&., *Calif. 84 BULLETIN OF THE CALIFORNM INSECT SURVEY

California records: Rhipiphorus californicus (LeConte) SAN BERNARDINO CO.: Baldy Mesa, 3100’ elev. , kfyodites californicus LeConte, 1880, Trans. Amer. 9, VII-21-36, flowers Eriogonwn fasciculatum (A. 9, Eht. Soc. 8:210. (Type 9, California, Mus. Comp. J. &singer, U.C.R.). Lucerne Valley, Zool.). VII-8-50 (J. L. Nickel, C.I.S.). Host: unknown. States recorded from: Macrosiagon pectinaturn (Fabricius) *Idaho (Moscow), Wash. (Soda Springs, *Walls Walla, *Colfax), Ore. (Hood River) , Calif., Mordella pectinata Fabricius, 1775, Systema Entom., *Utah (Salt Lake City, Thnpanogas). p. 263. (Type locality: ‘!4mericaJJ) *California records: Discussion : SHASTA CO.: Castle bags, 9, 6,VII-30-98 This is apparently an extremely variable (A. Fenyes, C.A.S. 1. species or species complex. Rivnay (1929) lists CALAVERkS ~0.: Mokelme Hill, 2 9, X (F. numerous supposed synonyms but obviously more E. Blaisdell, C.A.S.). study of these is required. We have seen no HOSt tmknm. California specimens. Rhipiphorus dammersi Barber States recorded from: Ripiphorus damnersi Barber, 1939, bll. Brooklyn “All over North and Central America” (Hivnay, Ent. Soc., 34:19. (Type S, Blythe, California, 1929). U.S.N.M. 1. California records: States recorded from: . Not yet reported. Calif. Host: Tiphaa (Davis, 1919). California records: Macrosiagon sayi (LeConte) RIVERSIDE CO.: Blythe, 1 9, 13 6,VII-15-38 (C. M. Damoers, U.S.N.M.); 10 9, 73 6, VIII-13-38 Rhipiphorus bicolor Say, 1823, Jour. Acad. Phila., (C. M. Denmers and G. P. Ehglehardt, U.S.N.M. ); 3:275. (Type Pennsylvania, lost). [Premc.] 9, VIII-20-46, flaRersSida hederacea (J. W. Rhipiphorus sayi LeConte, 1858, Jour. Acrd. Nat. MacsWrain, C. I.S. 1. Si. Phila. , 4:21. [New name]. Host: Diadasia consociata Timberlake (Barber, 1939). States recorded from: Penn., N.J., Del., D.C., Va., N.C., Fla., Rhipiphorus diadasiae Linsley and MacSwain La., Ill., Mo., Kan., Ariz., and Calif. Rhiphoorus diadasiae Linsley and MacSwain, 1950, *California records; Wasmann Jour. Biol., 8:234. (Type 9, Barret Springs, San Diego Co., California, C.A.S.). SAN DIEGO CO. : 9 ( C.S.D.A. ). Host: Myzine sp. (as Elis sp. ) (Rivnay, 1929). States recorded from: Calif. Genus RhJPiPhorus Bosc California record’s : Rhipiphortls blaisdelli Linsley and Madwain SAN DIEGO CO.: Barret Springs, 6 9, 3 6, Rhipiphorus blaisdelli Linsley and WcSwain, IV-20-50 (E. G. Linsley and J. W. MacSwain, 1950, Wasmann Jour. sol., 8:237. (Type Poway, c. I.S. 1. San Diego Co., California, C.A.S. ). *SANTA CUM CO.: Alum Rock Park, 6,V-19-40 (B. Elrookman). States recorded from: Host: Diadasia bituberculata Cresson (Linsley and Calif. MacSwain, 1950). California records : Rhipiphortls epinomiae Linsley and MacSwain SAN DIEGO CO.: Poway, 9 (F. E. Blaisdell, C.A.S. ). Rhipiphorus epinomiae Linsley and MacSwain, 1950, Host: unknown. Wasmann Jour. sol., 8:229. (Type 9, Blythe, THE RHIPIPHORIDAE OF CALIFORNIA 85

Riverside CO., California, C.A.S. 1. States recorded from: States recorded from: Calif. *British Columbia (Vernon), *Washington Cali f ornia records : (Colfax), *Oregon (Hood River), California, Nevada, IMPERIAL GO.: &dtville, 8, VI-20-39 (E. s. *Utah (Provo, Park City). C.A.S. ). Westmorland, 2 9, flowers Ross, V-31-30, California records: Aster spinosus (P. H. Timberlake, U.C.R. 1. Laguna +PLth&s CO.: 4mi. @incy, -Dam, 9, XI-25-35 (C. hl. Danmxs, U.C.R.). Brawley, W. 9, VI-22-49 5.2 mi. W, $, V-2-39, flowersSphaeralcea orcutti flcnvers Achillea (R. C Bechtel, C. I.S. 1. (C. A. Fleschner). *EU)aRAW CO. : Pollock Pines 6,VIII-8-39 (A. MaVO CO. : Hot Creek, 9, VIII-1-36 (R. M. T. Way, U.C.D. 1. Bohart, U.C.D. 1. Host: unknown. RIVERSIDE CO.: Blythe, 9, 6,VI-27-45 (E. G. Linsley and J. W. MacSvain, C.A.S. 1; 6,VI-23-46 Rhipipborus nevadicus (LeConte) (R. F. Smith, C.I.S. 1; $, VIII-19-46, flowers Sesbania (J. W. Mac%ain, C.I.S.). Ripley, 2 9, Wyalites nevadicus LAhte, 1880, Trans. Amer. Eht. VII-14-46 (W. F. Barr, C.I.S. 1. Hemet, 1 $, VIII-10- Sc., 8: 211. (Type 8, Nevada, M.C.Z. 1. 46,flowersSolidago (J. W. Mac!hain, C.I.S. 1. States recorded from: 'lUIARE CO. : 9, V-1935 (P. Baldwin, U.C.D. 1- Nevada. Host: Nomia (Epinomia) nevadensis Cresson (Linsley and MaeSwain, 1950). California records: Not yet reported. Rhipiphows eremicola Linsley and MacSwain Host: unknown. Rhipiphorus eremicola Linsley and MacSwain, 1950, Wasmann Jour. Biol. , 8:231. (Type $, Pecos, Texas, Rhipiphorrcs sexdens Linsley and MacSwain C.A.S. 1. Disc us si on : tlhipiphorus sexdens Linsley and MacSwain, 1950, We have not seen any California specimens as- Wasmann Jour. Biol., 8:235. (Type $, Pinon Flat, signable to this species but since it has been taken San Jacinto Mts. , Riverside Co. , California, C.A.S. 1. at Yuma, Arizona it undoubtedly occurs in this state. States recorded from: States recorded from: *Wash. (Kennewick) , Calif. Texas, Ariz. California records: California records: RIVEEISIDE'CO.:Pinon Flat, qJ V-24-39 (E. G. Not yet reported. Linsley, C.A.S. 1. Host: unknown. Host: unknown. Rbipiphorus smithi Linsley and MacSwain Rhipiphorus luteipennis hut& Linsley and MacSwain (Plate IX, qS. ) Rhipiphorus luteipenn-is hurdi Linsley and MacSwain, Hhipiphorus srithi Linsley and MacSwain, 3950, 1950, Wasmann Jour. Bioi., 8: 236. (Type,9, Grant Lake,Calif. ,C.A.S. 1. YaYasmann Jwr. KO].,8:232. (Type 9, Tracy, San Joaquin CO., California C.A.S. 1. States recorded from: Calif. States recorded from: California records : Calif. MONO CO.: GmntLake, 3 $, VIII-5-48,flowem California records: (Jarysothamnus (P. D. Hurd and J. W. MacSwain, C. I.S. 1. 'MRCE-D CO. : Turner Island, N. bsPalos, Host: unkncm. VI VIII-29-50, flowers Sida hederacea (C. D. Madeill, C.I.S. 1. SAN JCNQUIN CO.: Tracy, 46 9, 1156, V-23 Rbipiphorus mutcbleri Rivnay to VII-1-49, flowers Sida hederacea (R. F. Smith, J. W. MacSvain, W. W. Allen, Stern, R. den Rhipiphorus Fautchleri Rivnay, 1929, Mem. Amer. Eht. V. M. van Ebsch, C.1.S. ); 9, C.A.S.1; Soc. , 6: 57. (Type 9, hsbyCo. , Nevada, A.M.N.H. 1. VII-23-37 ('E. S- ROSS, 3 9, 76, VII-27-50 (E. G. Linsley and J. W. MacSurain, a6 BULLETIN OF THE CALIFORNIA INSECT SURVEY

C.I.S. ). E. of Mesa, *Wickenburg, *Catman, *Globe); *&]if- Host:-Diadasia consociata Timberlake (Linsley and MacSwain , 19501 . California records: Rhipiphorus vierecki (Fall) RIVERSIDE CO.: Pinon Flat, San Jacinto Mts., Myodites uierecki Fall, 1907, Trans.Amer. Eht Soc., 9, V-25-39 (E. S. Ross, C.1.S.); Vandevanter Flat, 31:259. Type 9. Florence, Arizona, M.C.Z.). San Jacinto Mts., 2 2, VI-12-39 (E. G. Linsley, Nyodites knausi Pierce, 1920, Ent. News, 31:!?79. C.1.S.); 27 II&. E. of Hmt, 3, VI-28-4.6 (W. F. (Types d 2, Hurricane, Utah). Barr). u36 ANCELES CO:: d (E. C. VanQke, C.A.S. ). States recorded from: SAN BENITO CO.: The Pinnacles, p, V-19-41 *Texas (Valentine, Alpine, El Paso, Sierra (J. W. MacSwain, C.I.S.). Blanca, Sanderson, White Rose Canyon); New Mexico SAN BE~ARDINOCO. : Windmill Station, 9, (Almagordo, *Loving) ; Utah (St. George, Hurricane); V-28-50. flowers Encelia (C. D. h4acNeill. C.I.S. 1. Arizona (Florence, 'Tucson, *Weaver Mts. , *Santa SAN DIEGO CO.: Borego State Park, 9, Rita Mts., *Santa Catalina Mts., *Douglas, *20 mi IV-26-5C (C. D. McNei11, C.I.S. 1. Host: unknown.

Literature Cited

Balduf. W. V. inhabiting the United States. P~oc. 1935. The bionomics of entomophagous Coleop- Acad. Nat. Sci. Phila., 18:96-98. tera. Swift Co. 220 pp. illus. [= Rhipiphorus] [phipiphoridae pp. 112-1151 1880. Short studies of North American Cole- Barber, H. s. optera. Trans. her. Ent. SOC., 1915. kcrosiagon flavipennis in cocoon of 8: 163-218. [Myodites.(= Rhipiphorus), Bembix spinolae (Coleoptera, Rhipiph- pp. 210-2121 oridae). Proc. Ent. SOC.Wash., 18:187-188. Linsley, E. G. and J. W. MacSwain 1950. New western species of Rhipiphoridae 1939. A new parasitic beetle from California (Coleoptera). Wasmann Jour. Biol., (Ripiphoridae). Bull. kooklyn Ent. 8 :229-239. Sot., 34: 17-20.

Brown, W. J. Pierce, W. D. 1930. New species of Coleoptera I. Canad. 1904. Sane hypermetamorphic beetles and Ent. , 62:a7-92. their hymenopterous hosts. Univ. Nebr. Studies, 4:153-190, 2 pls. Clausen, C. P. 1940. Entomophagous insects. McGraw-Hill Co. 1920. Studies in the genus Myodites (Cole- 688 PP. , illus. [Rhipiphoridae, pp. optera, Rhipiphoridae). Ent. News, 548 -5571 31:277-280. [= Rhipiphorus] Davis, J. J. 1919. Contributions to a knowledge of the Rivnay, E. natural enemies of Phyllophaga. h11. 1929. Revision of the Rhipiphoridae of Ill. Nat. Hist. Surv., 13: 53-133. North and Central America (Cole- optera). Mem. Amer. Ent. SOC., Horn, G. H. 6:l-68, 4 pls., bibliog. 1875. Notes on the species of Rhipiphorus of the Cnited States. Trans. kr. Ent. SOC.1 5:121-125. [= Macrosicrgon] Schilder, F. A. 1926. Rhipiphoriden-Studien. Ehtom. LeConte, J. L. Bl'a'tter, 22: 114-117. [zoogeographical 1865. Notes on the species of Myodites Latr. sumnary] PLATE 9 Rhipiphorus smithi Linsley and Madwain, $' 6 (x 20). (Drawings by F. Abernathy, courtesy of E. 0. Essig). 87