Taxonomic status of Cacoplox griseatus Hull, 1970 with redescription of the genus and type species (Diptera, Bombyliidae, Bombyliinae, Bombyliini) Author Lopes, Daniele De Araujo Museu Nacional, Quinta da Boa Vista, São Cristóvão, 20940 - 040, Rio de Janeiro, RJ, Brazil. Author Lamas, Carlos José Einicker Museu Nacional, Quinta da Boa Vista, São Cristóvão, 20940 - 040, Rio de Janeiro, RJ, Brazil. & Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) fellowship. text Zootaxa 2004 2004-02-06 429 1 1 7 https://biotaxa.org/Zootaxa/article/view/zootaxa.429.1.1 journal article 4877 10.11646/zootaxa.429.1.1 10b7f022-6131-4113-9d30-f699426f1188 1175­5334 5028066 FF1EB656-9DC7-4E8C-939A-73C620688264 Cacoplox griseatus Hull Figs. 1–6 Cacoplox griseata Hull, 1970: 163 ; Hull, 1973: 130–131 ; Bowden, 1985: 103 ; Evenhuis, 1991: 24 . Dischistus ( Cacoplox ) griseata : Hall, 1976: 44–45 . Dischistus ( Cacoplox ) griseatus : Painter, Painter & Hall, 1978: 8 . Cacoplox griseatus : Evenhuis & Greathead, 1999: 143 . Male Body length: 14.7–18.7mm ; wing length: 10.3–14mm . Head: front dark brown with dark brown hairs; antenna with a conical hump at their base ( Fig. 1 ); face dark brown with yellowish­white and dark brown hairs; orogenal cup polished, light brown and gray pollinose; palpus light brown with yellowish­white and scattered brown hairs; proboscis 5 times longer than palpus, projecting beyond the oral margin by 5/6 of its length; labellum long, 1/6 of the length of the proboscis; antennae with scape and pedicel cylindrical, dark brown with gray pollinosity, yellowish­white hairs and scattered dark brown bristles on the dorsal surface; scape twice as long as pedicel; flagellum dark brown, similar in length to scape and pedicel together; three flagellomeres; ocellar tubercle dark brown, darker on margin, with gray pollinosity and dark brown bristles; occiput dark brown with gray pollinosity, long yellowish­white hairs and short dark brown bristles. Thorax: mesonotum dark brown with long yellowish­white hairs laterally and scattered short yellowish­white ones dorsally; scutellum, on posterior margin with long yellowish­white hairs and dark brown bristles; halter light brown with yellow knob; calypter with long yellowish­white hairs on margin; metepisternum with white hairs on posterior upper corner; katepisternum with long yellowish­white hairs; anepimeron bare; anepisternum with long yellowish­white hairs mixed with dark brown ones; notopleuron with long yellowish­white hairs; postalar callus with five strong dark brown bristles; supra alar callus with yellowish­white and scattered dark brown hairs. Legs: coxa I dark brown, gray pollinose with yellowish­white and long dark brown hairs; coxa II dark brown, gray pollinose with long light brown hairs on all surfaces and also dark brown ones ventrally; coxa III dark brown, gray pollinose, covered with yellowish­white and dark brown hairs; femur I dark brown with yellowish­white scales, yellowish­white hairs and dark brown bristles; femur II dark brown with yellowish­white scales, yellowish­white hairs and dark brown bristles longer on basal half of the ventral surface; femur III dark brown with yellowish­white scales, yellowish­white hairs and strong, short dark brown bristles on apical third of the anteroventral surface and fine and long ones on basal 2/3 of the ventral surface ( Fig. 2 ); tibia I light brown, with a few dark brown bristles and a pair of strong apical bristles; tibia II light brown, with dark brown bristles and two pairs of strong apical bristles; tibia III light brown, with dark brown bristles; pretarsus long, with bristles and short dark brown hairs on all segments; claws light brown, with dark brown apex; pulvilli light brown, a little shorter than the claws. FIGURES 1–4. Cacoplox griseatus : 1. Head, lateral view; 2. Femur III; 3. Male genitalia, dorsal view; 4. Furca. Wing: hyaline with costal area light brown; two submarginal and four posterior cells; r­m crossvein at apical fourth of discal cell; anal cell elongated and open on wing margin by half the length of the r­m crossvein. Abdomen: dark brown, covered with mixed long dark brown and yellowish­white hairs. The dark brown hairs mainly placed on apex of the tergites and the yellowish­white ones at the base. Genitalia: gonocoxa broad in lateral view, with round apex, covered with bristles on apical half, stronger at the superior margin; gonostylus hook­shaped, with a central concavity, with short, strong bristles in the apical 1/3 of the ventral surface; distiphallus long, surpassing apex of posterior gonocoxal process; lateral aedeagal apodeme not surpassing gonocoxal margins ( Fig. 3 ); ejaculatory apodeme with round margin in lateral view and a small projection on the inferior margin ( Fig. 5 ). Female Body length: 15–18.2mm ; wing length: 11–14mm . Similar to the male, except for: Spermathecae: furca “M”­shaped, with lateral processes enlarged and hook­like apically ( Fig. 4 ); spermathecae oval, without membrane around the base; spermathecal ducts wide, 4 times longer than spermathecae; sperm pump placed on apical 1/3 of the spermathecal duct, 2/3 of the spermathecae in length; sclerotized collars with irregular projections on the edge; spermathecal ducts fused at the base to form a short common spermathecal duct ( Fig. 6 ). Distribution Argentina , Jujuy . Chile , Antofagasta Province (Anãs, Catarape, Linoza, Púrica and Tumbre) and Coricó Province (Coigo). FIGURES 5–6. Cacoplox griseatus : 5. Male genitalia, lateral view; 6. Spermathecae. Material examined ARGENTINA , Jujuy : Cincel river (3500–3700), 10.XI.1970 , 1 male ( MZSP ) . CHILE , Antofagasta Province : Anãs , 9.XI.1969 , 1 female , F. Salgado leg. ( MZSP ); Catarape, II.1969 , 4 females and 3 males , F. Salgado leg . ( MZSP ); Tumbre, I.1969 , 1 male , 9.XI.1969 , 1 male , F. Salgado leg . ( MZSP ) .