Nicertini Emeljanov 1992

Tribe Nicertini Emeljanov, 1992 Type genus: Nicerta Walker, 1857 Key to genera of Nicertini 1. MP 4 fused with MP 3 near apical part, then extending to posterior margin of tegmina............. Neomegatropis gen. nov. - MP 4 and MP 3 not fused, extending to posterior margin of tegmina respectively..................................... 2 2. Subcostal cell short, Sc+R forked beyond middle of tegmina................................................... 3 - Subcostal cell long, Sc+R forked before middle of tegmina.................................................... 5 3. Antennae cylindrical....................................................................... Robigus Distant - Antennae large, laterally compressed...................................................................... 4 4. Vertex slightly produced before eyes; clypeus about equal to frons in length......................... Leptaleocera Muir - Vertex much produced before eyes; clypeus about half of frons in length....................... Epotiocerus Matsumura 5. Head about twice as long as pronotum and mesonotum combined, or longer............................ Vivaha Distant - Head shorter than twice length of pronotum and mesonotum combined........................................... 6 6. Head in profile with an angulate apex or narrowing apically, equal to or slightly longer than pronotum and mesonotum combined............................................................................. Interamma Walker - Head in profile with a round apex, significantly shorter than pronotum and mesonotum combined..................... 7 7. Head including eyes narrower than pronotum, vertex angulate apically................................ Nicerta Walker - Head with eyes as wide as pronotum or nearly so, vertex truncate apically........................... Megatropis Muir