Trichomyia pseudosilvatica Araújo & Bravo, 2016

Araújo, Maíra Xavier & Bravo, Freddy, 2016, Description of fourty four new species, taxonomic notes and identification key to Neotropical Trichomyia Haliday in Curtis (Diptera: Psychodidae, Trichomyiinae), Zootaxa 4130 (1), pp. 1-76 : 62-64

Trichomyia pseudosilvatica Araújo & Bravo sp. nov.

( Figs. 38A –H)

Diagnosis. Expansion basal on gonocoxite directed to the apex and with expanded base; arm of gonocoxite bifurcate, one bare expansion, one expansion with about four bristles; aedeagus basally expanded, tapered apically; ejaculatory apodeme short, about as long as gonostylus; cercus with a row of dorsal hairs.

Description. Male. Head subcircular in frontal view. Antenna with scape subcylindrical; scape and pedicel subspherical; basal flagellomeres pyriform and eccentric ( Fig. 38A ); ascoids 1.5 times as long as the length of flagellomere; 13th flagellomere subcylindrical with terminal apiculus separated by a suture ( Fig. 38B ). Palpus three segmented; first segment with sensilla in depressed pit on medial surface; palpus formula 1.0:0.7:0.5 ( Fig. 38C ). Wing. R4+5 with base unsclerotized, r-m unsclerotized and m-cu absent ( Fig. 38D ). Male terminalia: Hypandrium and gonocoxites fused with basal expansion directed to the apex and with expanded base. Arm of gonocoxite bifurcate, one bare expansion, directed to the apex and other with about four bristles, directed medially ( Fig. 38F ). Gonostylus slightly sclerotized, articulated ventrally to gonocoxite, bare and subtriangular. Aedeagal complex with one pair of sclerotized projection, curved and convergent apically. Aedeagus expanded basally and tapered apically ( Fig. 38 G). Ejaculatory apodeme short, about the same length as gonostylus. Epandrium subquadrangular with rounded tips. Cercus digitiform with a row of dorsal hairs ( Fig. 38E ). Hypoproct with micropilosity ( Fig. 38 H).

Female. Unknown.

Material examined. Brazil, Pará, Bragança, Vila Bacuri, Sítio Berra Bode, 02.X.1998, holotype ♂, without name of colector ( MZFS); 17 paratypes: 2 ♂, Amazonas, Manacapuru, Cajatuba, Km 69/3, 9.X.1998, without name of colector ( MZFS); 3 ♂, Amazonas, Manacapuru, Cajatuba, Km 69/3, 6.X.1998, without name of colector ( INPA); 2 ♂, Amazonas, Manacapuru, Estrada do Cajatuba, Sítio do Sr Simplício, 24–25.IV.1998, without name of colector ( MZFS); 5 ♂, Amazonas, Presidente Figueiredo, Pitinga, 04.XII.1998, RQ, LMC leg. ( MZFS); 1 ♂ Amazonas, Manacapuru, Cajatuba, Km 69/3, 20.IV.1998, RQ, RN, PE leg. ( MZFS); 1 ♂ Amazonas, Manacapuru, Km 75, 25–27.VII.1997, without name of colector ( INPA); 1 ♂, Amazonas, Presidente Figueiredo, Pitinga, 15.XIII.1998, RR / LMS leg. ( MZFS); 2 ♂, Rondônia, Cacaulândia, 200Km SSE od Porto Velho, 25.V– 6.VI.1998, L.W Quate col ( MZFS).

Etymology. The epithet refers to the strong similarity with T. silvatica Bravo, 2002 . Distribution. Brazil—Amazonas, Pará, Rondônia.

Figures

FIGURES 38 A – F. Trichomyia pseudosilvatica sp. nov. A. Scape, pedicel and basal flagellomeres; B. Cercus, dorsal view; C. Palpus; D. Right wing; E. Male terminalia, dorsal; F. Cerci, epandrium and hypropoct.