Trichomyia crinita Araújo & Bravo sp. nov.

(Figs. 24A–G)

Diagnosis. Gonocoxite with two pairs of elongated expansions; arm of gonocoxite with an expansion spur-shaped with sclerotized apex and with elongated bristles; one pair of filiform projections in the aedeagal complex; ejaculatory apodeme short, 1.2 times the length of gonostylus; cercus with two rod-like bristles.

Description. Male. Head subcircular in frontal view. Antenna with 13 flagellomeres; scape and pedicel subspherical; flagellomeres pyriform and eccentric (Fig. 24A); ascoids 1.4 times longer than the flagellomere; 13th flagellomere subcylindrical with terminal apiculus separated by suture (Fig. 24B). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0:0.5:0.7 (Fig. 24E). Wing. R4+5 with base unsclerotized; r-m unsclerotized and m-cu absent (Fig. 24D). Male terminalia: Hypandrium and gonocoxites fused with two pairs of elongated expansions, one medial plate-like and other basal and tubular. Arm of gonocoxite with an expansion spur-shaped with sclerotized apex and with elongated bristles. (Figs. 24C, 24G). Gonostylus digitiform, slightly sclerotized, articulated ventrally to gonocoxite, bare, curved, with rounded tip. Presence of one pair of filiform projections in the aedeagal complex. Aedeagus with pointed apex (Fig. 24G). Ejaculatory apodeme short, 1.2 times the length of gonostylus. Epandrium subcircular. Cercus with an apical expansion with two rod-like bristles. Hypoproct with apical micropilosity (Fig. 24F).

Female. Unknown.

Material examined. Brazil, Amazonas, Manacapuru, 27.XI.2001, holotype ♂, without name of collector (MZFS).

Etymology. From Latim, crinita = comet, refers to the shape of arm of gonocoxite.

Distribution. Brazil—Amazonas.