Trichomyia aquita Araújo & Bravo sp. nov.

(Figs. 14A–G)

Diagnosis. Hypandrium and gonocoxites fused, with a basal expansion curved, directed medially; arm of gonocoxite directed dorsally with elongated bristles; two pairs of sclerotized projections in the aedeagal complex; the lateral digitiform, about the same length as the inner, the inner fused, cup-shaped; ejaculatory apodeme 3.0 times the length of gonostylus.

Description. Male. Head subcircular in frontal view. Antenna incomplete in the studied specimens; scape and pedicel subcylindrical; basal flagellomere pyriform and eccentric (Fig. 14A); ascoids 1.3 times as long as the length of flagellomere (Fig. 14B). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0:0.5:0.6 (Fig. 14C). Wing. Base of R s unsclerotized; r-m and m-cu absent (14D). Male terminalia: Hypandrium and gonocoxites fused with a basal expansion, curved and medially directed. Arm of gonocoxite directed dorsally with elongated bristles (Fig. 14E); gonostylus slightly sclerotized, articulated ventrally to gonocoxite, subtriangular, bare with rounded apex. Aedeagal complex with two pairs of sclerotized projections; the lateral digitiform, about the same length as the inner, the inner fused, cup-shaped. Aedeagus simple (Fig. 14G). Ejaculatory apodeme 3.0 times the length of gonostylus. Epandrium longer than wide. Cercus pilose and piriform. Hypoproct with apical micropilosity (Fig. 14F).

Female. Unknown.

Material examined. Brazil, Amazonas, Presidente Figueiredo, Pitinga, 04.XII.1998, holotype ♂, RQ, LMC leg. (MZFS) 4 paratypes: 2 ♂, same locality, date and colectors as holotype, (MZFS); 2 ♂, same locality as holotype, 15.XIII.1998, RR, LMS leg. (INPA)

Etymology. From tupi-guarani aquitã = short, refers to the length of the arm of gonocoxite.

Distribution. Brazil—Amazonas.