Neohybos cooperi, Ale-Rocha, 2007

Ale-Rocha, R., 2007, New species of Neohybos Ale-Rocha & Carvalho (Diptera, Hybotidae, Hybotinae) from Colombia, Ecuador and Peru, Zootaxa 1503, pp. 33-54 : 40-42

Neohybos cooperi sp. n.

( Figs. 23–30 , 77 )

Diagnosis. Small and thin; thorax brown to black, brown pruinose except dorsum of pronotum and anterior two-thirds of scutum; pleura homogeneously pruinose; thoracic setae brown, scattered, very short, almost inconspicuous, acr series lacking on prescutellar disc; wing hyaline, no stigma; fore and mid legs brown except for yellow tarsi, hind leg dark-brown to black except for brown tibia and yellow tarsus; abdomen and legs clothed with dark-brown to black bristles.

Description. Holotype male. Body: 3.1 mm. Wing: 2.3 mm. Antenna placed in middle of head; postpedicel oval, 2 times longer than wide, approximately 2 times longer than scape and pedicel combined. Face narrowly dichoptic, linear, as long as frons. Postcranium with sparse brown pruinescence; occipital setae thin, short and scattered.

Thorax brown to black, brown pruinose except dorsum of pronotum and anterior two-thirds of scutum; bristles brown, scattered, very short, almost inconspicuous; acr and dc uniserial, acr series lacking on prescutellar disc; 2 npl short, as long as scutellar pair; scutellum with 1 apical pair short and divergent and 2 shorter and very thin lateral pairs.

Wing ( Fig. 77 ) short, narrow; hyaline, no stigma; R4+5 and M1 parallel.

Legs: fore and mid legs brown except tarsi yellow, hind leg dark-brown to black except tibia brown and tarsus yellow. Hind femur slightly thickened, 5 times longer than wide; hind tibia tubular. Outstanding bristles: fore tibia with 1 posterior preapical bristle reaching half of corresponding tarsomere 1; mid tibia with 4 short anterodorsal bristles equidistantly distributed along entire length, 1 long ventral apical bristle reaching apex of corresponding tarsomere 1; mid tarsomere 1 with 1 long posteroventral sub-basal bristle reaching base of tarsomere 2; hind trochanter with 1 ventral thorn and 2 spine-like posteroventral bristles; hind femur with 1 dorsal bristle at distal third, 1 anterodorsal preapical and 1 anterior at distal third, 5 spine-like anteroventral and 14 spine-like ventral bristles, posteroventral series with 10 bristles; hind tibia with some slender, rather elongated bristles dorsally.

Abdomen thin, 3.5 times longer than thorax length; shiny-black with brown pruinescence on Tg1, Tg8 and St8; bristles black and scattered; St 8 wider than long, with long bristles on distal margin. Terminalia ( Figs. 23–27 ): left epandrial lamella with long bristles distally and ventro-lateral subapical elongate process bearing three tips; right hypandrial lobe slender, tapered to point, left hypandrial lobe not developed; dorsal bridge incomplete; phallus short and robust, ventro-lateral ejaculatory apodeme as long as phallus; postgonites slightly widened.

Female. Similar to male except for: general coloration slightly paler; hind trochanter lacking thorns or outstanding bristles; hind femur more slender than male, anterior bristles lacking, anteroventral and ventral rows mixed on distal half with 8 short thorns, 6 long anteroventral bristles on basal half, 2 posteroventral slen- der bristles at distal quarter. Terminalia ( Figs. 28–30 ): Tg8 entire, long, slightly narrowed on distal third; St8 entire, narrow, cleft distally with short lobes truncated in the apex.

Distribution. Colombia.

Type material. Holotype male: COLOMBIA: Putumayo, Villa Garzon , 16–26.vii.1978, M. Cooper. ( BMNH) . Paratype: same data of holotype, 1 female ( BMNH), 1 male ( INPA) .

Etymology. The specific name is homage to the collector of this and many other species, M. Cooper.

Figures

FIGURES 23–30. Terminalia of Neohybos cooperi, sp. n. 23–27, male: 23, epandrium and cerci, dorsal view; 24, epandrium, ventral view (apex of hypandrium outlined); 25, 26, left and right epandrial lamellae, lateral view; 27, hypandrium, ventral view. 28–30, female: dorsal, ventral and lateral views. Figs 23–27; 28–30 in the same scale.

FIGURES 74–81. Wings of Neohybos: 74, N. bicolor sp. n.; 75, N. brunnescens sp. n.; 76, N. colombiensis sp. n.; 77, N. cooperi sp. n.; 78, N. cupreus sp. n.; 79, N. elegans sp. n.; 80, N. fuscipes sp. n.; 81, N. tenuis sp. n.