Trichomyia (Brachiotrichomyia), Bravo & Araújo & Uefs, 2013

Bravo, Freddy, Araújo, Maíra X. & Uefs, Santana -, 2013, Trichomyia (Brachiotrichomyia subgen. nov.) plumata sp. nov. from the Neotropical Region (Diptera: Psychodidae: Trichomyiinae), Acta Entomologica Musei Nationalis Pragae 53 (1), pp. 329-338 : 336

Key to the males of Neotropical Brachiotrichomyia subgen. nov.

1. Sensilla in depressed pit on palpal segment 2 and absent in segment 1; ejaculatory apodeme short, 0.3 times the length of the gonocoxal arm. .............................................................. ............................................................... T. (B.) pseudodactylis Quate, 1996 ( Costa Rica)

– Sensilla in depressed pits on segments 1 and 2 ( Figs 1 , 9 ); ejaculatory apodeme short or long, 0.2–1.0 times the length of the gonocoxal arm. ..................................................... 2

2. Bristles of inner margin of gonocoxal arm simple, not feathered. .................................. 3

– Bristles of inner margin of gonocoxal arm feathered ( Figs 6 , 12 ). ................................. 6

3. Gonostylus absent. ........................................................................................................... 4

– Gonostylus present. ......................................................................................................... 5

4. Fourth segment of palpus 1.3 times the length of third segment; CuA 2 ending apically to medial fork. ........................... T. (B.) armata Barretto, 1954 ( Brazil: São Paulo, Paraná)

– Fourth segment of palpus 0.8 times the length of third segment; CuA 2 ending before medial fork. ...................................... T. (B.) brasiliensis Satchell, 1956 ( Brazil: Santa Catarina)

5. Ejaculatory apodeme 0.2 times the length of gonocoxal arm; bristles on apical half of gonocoxal arm. ................................................................................................................... ......... T. (B.) risaraldensis Bejarano, Pérez-Doria & Sierra, 2009 ( Colombia: Risaralda)

– Ejaculatory apodeme 0.4 times the length of gonocoxal arm; bristles on entire inner margin of gonocoxal arm. .......................................... T. (B.) quatei Bravo, 2001 ( Brazil: Bahia)

6. Cercus long, subrectangular in ventral view; arm of gonocoxite sub-parallel ( Figs 5, 7 ). ............................. T. (B.) inermis Barretto, 1954 ( Brazil: São Paulo, Bahia, Amazonas)

– Cercus teardrop-shaped in ventral view; arm of gonocoxite convergent to midline ( Figs 11, 12 ). ........................................................ T. (B.) plumata sp. nov. ( Brazil: Amazonas)

Figures

Figs 1–7. Trichomyia inermis Barretto, 1954, male. 1 – palpus; 2 – scape, pedicel and basal flagellomeres; 3 – right wing; 4 – male terminalia, lateral view; 5 – cercus, epandrium, hypoproct; 6 – bristle of arm of gonocoxite; 7 – male terminalia, dorsal view.

Figs 8–12. Trichomyia plumata sp. nov. 8 – scape, pedicel and basal flagellomere; 9 – palpus; 10 – left wing; 11 – cercus, epandrium, hypoproct; 12 – male terminalia, dorsal view.