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GP HOLLAND Abstract Nearctopsylla Grahami N

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GP HOLLAND Abstract Nearctopsylla Grahami N THREE NEW SPECIES OF FLEAS FROM CANADA (SIPHONAPTERA) G.P. HOLLAND Biosystematics Research Institute, Agriculture Canada, Ottawa KIA OC6 Abstract Can. Ent. 111: 713-719(1979) Three new species of fleas are described, two of the family HYSTRICHOPSYLLIDAE Tiraboschi 1904 (Nearctopsylla grahami n. sp. and Rhadinopsylla (Micropsylla) rauschi n. sp.) and one of the family CERATOPHYLLIDAE Dampf 1908 (Ceratophyllus cald- erwoodi n. sp.). N. grahami is known only from western Ontario where it has been collected from marten, Martes a, americana. R. (M.) rauschi was collected from deer mlce, Peromyscus maniculatus osgoodi, in southwestern Saskatchewan. C. calderwoodi was collected from a nest of cliff swallow, Petrochelidon pyrrhonota, in eastern New Bmnswick. HYSTRICHOPSYLLIDAE Tiraboschi 1904 Nearctopsylla grahami n. sp. Figs. 1, 2, 3, 5 Resembling N. brooksi (Roths.) and like that species found on mustelids, especially Martes americana . Male. Head much as in N. brooksi but pronotum with about 16-19 longer spines rather than 25-29 shorter ones (Fig. 1). Mesonotum and metanotum with about 3 irregular rows of setae with about 2 stout pseudosetae high up on each side of the mesonotum and none on the metanotum (Fig. 3) (vs. about 5 rows on the mesonotum and 4 on the metanotum in brooksi) and about 4 long slender pesudosetae per side on the mesonotum and 2 shorter ones, high up, on the metanotum (Fig. 4). Mesepisternum with about 6 setae per side; (brooksi with 9- 11). Metepimeron with 15- 17 setae per side. Abdominal tergum I with 3 rows of setae; 11-VI with 2 rows, and VII with 1 row. Two or three setae below each (circular) abdominal spiracle. (In brooksi, tergum I with about 4 rows, I1 and 111 with about 3 rows.) Apical spinelets on abdominal terga I (2-4); I1 (2, 4); 111 (2); IV (0-2). Single antesensilial seta, not on a posterior protuberance of tergum VII; in brooksi the slightly shorter seta is located on such a protuberance. Stigma of tergum VIII somewhat larger than that of brooksi. Clasper shaped much as in brooksi but the movable process broader (Fig. 2) and the patch of mesal setae sparser. Acetabular seta inserted on a level with the acetabulum rather than below it. Sternum IX very much as in brooksi with the posterior half of the ventral arm bent sharply dorsad, though shorter and broader than in that species and without the slight terminal anterior bending. Groups of long and short setae disposed very much as in brooksi, the row of about 20 setae along the dorsal half of the ventral arm being somewhat longer (Fig. 2). Female. Head similar to the male but with the usual sexual differences. Pronotum with 2 irregular rows of setae and 15-17 spines in the ctenidium (vs. 18-23 in brooksi). Mesonotum and metanotum as in the male, there being about 2 stout pesudosetae a side, high up, on the mesonotum; metanotum lacking pseudosetae (cf. with brooksi, which has them). Mese- pisternum with about 6 setae per side; brooksi with 9-1 1. Metepimeron with about 16 setae per side. Hind tibia with 8 pairs or triplets of dorsal setae set in notches and about 19 lateral setae. Metacoxa with about 12 spiniforms arranged mesally, near the anterior apex. Abdominal terga with about 3 irregular rows of setae becoming 2 around terga VI and VII. Two subequal antesensilial setae as in brooksi. Abdominal apical spinelets as follows: I, 3(2-4); 11, 4(3-5); 111, 3(2-5); IV, l(2); V, 0; VI, 0 (but one specimen with a large spinelet on one side). The spinelets of N. brooksi are very much the same. Two or three long setae of the distal row of each tergum extending below the spiracle. Abdominal sterna 111-VI with about 8 setae in 2 rows of which the distal 6 are long. About 16 setae on sternum VII, in 2 rows, of which the distal 9 are long. The posterior margin of sternum VII has a rounded lobe and a broad, deep, sinus (Fig. 5). Tergum VIII with about 6 long setae and about 12 shorter ones on its distal ventral surface. Anal stylet about 6 times as long as broad and with 1 long apical seta and 2 small hairs on either side of the base of the seta. Spermatheca with a sub-globular bulga and with the hilla tapering gradually and curled around 714 THE CANADIAN EM0MOLOC;IST Volume 11 1 THE CANADIAN ENTOMOLOGIST 715 it (Fig. 5). Bursa copulatrix almost straight and with the long central portion heavily sclerotized. Holotype 6, Spruce River Road, mile 64, Thunder Bay District, Ontario, 20.XII.77, ex juvenile Martes americana americana, collected by Bob Graham. No. 15894 in the Canadian National Collection of Insects, Ottawa. Allotype 9, same data. Paratypes, 266 and 12 9 9 as follows: same data as holotype and allotype, 16, 2 9 9; Mile 74, Spruce River Road, 5.XI.77, ex M. a. americana, 3 9 9; same data, but 12.XI.77, 3 9 9; same data but Mile 88, 26.XII.77, ex female M. a. americana, 19; same data but Mile 68, 21.11.78, ex male M. a. americana, 16, 19; same data but Mile 78, 12.11.78, ex female M. a. americana, 19; same data but mile 90, 12.11.78, ex male M. a. americana, 19. All the specimens were collected by Mr. Graham but were communicated by Prof. M.W. Lankester of Lakehead University, Thunder Bay, to whom I extend my gratitude. Besides the 16 specimens of Nearctopsylla grahami just described, Mr. Graham collected specimens of the following species of fleas from the 13 specimens of Martes a. americana that he got in his traps along the Spruce River Road: Hystri- chopsylla dippiei ssp., 4 specimens; Rhadinopsylla (Actenophthalmus)fraterna (Baker), 1; Monopsyllus vison (Baker), 1; Tarsopsylla octodecimdentata coloradensis (Baker), 1; Orchopeas caedens durus (Jordan), 99; and Oropsylla arctomys (Baker), 6. From the fleas caught one would judge that the principal prey species of the martens were red squirrels, Tamiasciurus hudsonicus, and woodchucks, Marmota monax. Rhadinopsylla (Micropsylla) sp. Micropsylla is at present set off as a subgenus of Rhadinopsylla principally on the basis of the absence of a transverse ridge dividing the metepisternum from the metanotum. The subgenus is only distributed in western North America (Rhadinop- sylla is holarctic) and two forms have been described, separated as subspecies. Rhadinopsylla (Micropsylla) s. sectilis Jordan and Rothschild 1923 was described from Kelowna, B.C., and has since been reported from various points in Washington, Montana, Nevada, Oregon, California, and Utah. It is characterized by having a genal ctenidium of 4 spines and male genitalia like Fig. 8, drawn from a topotype. R. (M.) s. goodi (Hubbard, 1941), described from Forest Grove, Oregon, usually has 5 genal spines and the male with the movable process somewhat shorter than in typical sectilis. It has since been taken from Vancouver, B.C., western Oregon and California, and apparently is restricted to west of the Cascades, whereas R. (M.)s. sectilis occurs east of those mountains. LIST OF ABBREVIATIONSUSED IN ILLUSTRATIONS.Ac. S., acetabular setae; Ant. S., antesensilial setae; B. Cop., bursa copulatrix; Bu., bulla (head) of spermatheca; CI., body of clasper; C. Scl., cervical sclerite; D. o., ductus obturatus; D. Sp., ductus spermathecae; Ephy., epipharynx; F., movable process of clasper; Fv., fovea; Fr. Tb., frontal tubercle; G. Ct., genal ctenidium; GI. W., Wagner's gland; HI., hilla (tail) of spermatheca; Lb. Plp., labial palpus; M., manubrium of clasper; Mb., membranous appendage of sternum VIII; Ms. Epm., mesepimeron; Ms. Eps., mesepisternum; Mt. Eps. metepisternum; Mt. Epm., metepimeron; Mt. N., metanotum; Mx., maxilla; Mx. LC., maxillary lacinia; Mx. Plp., maxillary palpus; Oc., eye; P., fixed process of clasper; Pap., papilla; Pr. N. Ct., pronotal ctenidium; Ps., pseudosetae; Sens., sensilium; Sn., sinus in apical margin of sternum VII; St., abdominal sternum; Stig., stigma, the spiracular opening of tergum VIII; Str., striated area of metepi- meron; Strig., strigillae, chitinous thickenings in the spermatheca; Spic., spiculose area of tergum VIII; Spl., spinelets; Spr., spirzle; T., abdominal tergum; I, 11, 111, IV, etc., segmental numbers. FIGS. 1-5. 1-3, 5, Nearctop~yllagrahami n, sp.: 1, head and pronoturn of male; 2, sternum IX of male and clasper with fixed and movable processes; 3, metanotum and abdominal tergum' I of female; 5, sternum VII and spermatheca of female. 4, Nearctopsylla brooksi (Rothschild): metanotum showing pseudosetae, and tergum I of female, from Atlin, B.C., ex Mustela erminea. 716 THE CANADIAN ENTOMOLOGIST June 1979 The new species described below was discovered in southwest Saskatchewan and has a genal comb like that of R. (M.) s. goodi of the Pacific Coast strip, but has larger, and differently shaped, genitalia. Rhadinopsylla (Micropsylla) rauschi n. sp. Figs. 6, 7 Male. Head with frontal tubercle about half way down the frontal margin. Ocular row of 3 long setae and frontal row of about 5 shorter ones. Genal comb of 5 spines (Fig. 6). Eye vestigial as is usual in this genus. Post antenna1 region with 3 rows of setae of which the first two rows are oblique. Labial palpus of 5 segments and just attaining apex of fore coxa. Pronotum with about 5 long spines on a side and a comb of 16 spines altogether. Mesonotum and metanotum each with 2 rows of setae of which the second row consists of 5 long setae with small intercalaries between them. Metanotum extending downward where it is fused, without a suture, to the metepisternum which has 2 more setae. Mesonotum with Volume 11 1 THE CANADIAN ENTOMOLOGIST 717 about 2 long pesudosetae per side; metanotum with none.
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