Trichomyia sertaneja Araújo & Bravo, 2012

Araújo, Maíra Xavier & Bravo, Freddy, 2012, Taxonomy of Neotropical Trichomyia (Septemtrichomyia) Bravo (Diptera, Psychodidae, Trichomyiinae) with descriptions of five new species, Zootaxa 3547, pp. 24-34 : 28-29

Trichomyia sertaneja Araújo & Bravo sp. nov.

( Figs. 9–18 )

Diagnosis. Apex of gonocoxite thumb-like, curved to the midline, with a row of seven small rod-like setae. Gonostylus with basal, sclerotized spine on internal margin. One pair of triangular parameres. Ejaculatory apodeme shorter than gonostylus extending beyond the margin of the gonocoxites.

Description. Male. Head subcircular ( Fig. 15 ). Antenna with 13 flagellomeres; scape as long as pedicel; pedicel subspherical; flagellomeres pyriform and eccentric; last flagellomere with apiculus ( Fig. 9, 11, 14 ); basal ascoids 1.5 times the length of flagellomere ( Figs. 9, 11, 14 ); apical ascoids almost the same length as flagellomeres ( Fig. 9 ); last flagellomere without ascoid and with oval apiculus ( Fig. 14 ). Palpus formula 1.0:0.7:0.9 ( Fig. 10 ). Wing ( Fig. 12 ): Apex of Sc and sc-r unsclerotized; R5 complete at base; m-cu absent. Elongated bristles of tergum 7 with straight apices ( Fig. 18 ). Male terminalia: Hypandrium fused with gonocoxite ( Fig. 17 ). Gonocoxite with posterior arm curved to the midline, apex thumb-like with row of seven small rod-like setae ( Fig. 13, 17 ); presence of spine-like projection at base of arm of gonocoxite ( Fig. 17 ). Gonostylus articulated to gonocoxite at middle, bare, with apex directed upward ( Fig. 16, 17 ). One pair of triangular parameres present, claw-shaped in lateral view ( Figs. 16, 17 ). Aedeagus extending beyond parameres ( Fig. 17 ); apex of gonocoxite thumb-like, curved to the midline, with a row of seven small rod-like setae ( Figs. 13, 17 ); ejaculatory apodeme, almost as long as gonostylus, narrow anteriorly ( Fig. 16, 17 ). Epandrium pilose, posterior end broader than anterior. Cercus pilose, subelliptical in lateral view ( Fig. 16 ). Epipropoct not observed. Hypropoct with apical micropilosity ( Fig. 16 ).

Material examined. Holotype 3, BRAZIL, Bahia, Município de Coração de Maria, 21.XI.2003, I. Castro leg. ( MZFS); 3 paratypes: 1 3 same locality as holotype, 18.XII.2003, F. Bravo leg. ( MZFS); 1 3 same locality as holotype, 28.I.2004, F. Bravo leg. ( MZFS); 1 3, Bahia, Município de Cachoeira, Fazenda Villa Rial, 20.VII.2004, F. Bravo leg. ( MZFS).

Distribution. Known from Coração de Maria and Cachoeira, in Bahia, Brazil.

Etymology. sertaneja is the Brazilian name for people living in the interior lands of that county.

Comments. T. sertaneja is easily recognized by the thumb-like apex of the gonostylus, and by the presence of a spine-like projection at the base of the gonocoxite.

Figures

FIGURES 9 – 18. Trichomyia sertaneja sp. nov. 9. Scape, pedicel and basal flagellomeres; 10. Palpus; 11. Third flagellomere with ascoid; 12. Right wing; 13. Apex of gonocoxite; 14. Flagellomeres 12 and 13; 15. Head; 16. Male terminalia, lateral; 17. Male terminalia, dorsal; 18. Elongate bristles on tergum 7.