Trichomyia (Brachiotrichomyia subgen. nov.) plumata sp. nov. from the Neotropical Region (Diptera: Psychodidae: Trichomyiinae) Author Bravo, Freddy fbravo @ uefs. br; Author Araújo, Maíra X. mah. biology @ gmail. com. Author Uefs, Santana - text Acta Entomologica Musei Nationalis Pragae 2013 2013-07-15 53 1 329 338 journal article 10.5281/zenodo.5739745 0374-1036 5739745 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)