A new genus and three new species of tribe Oxycerini (Diptera: Stratiomyidae) from Oriental region Author Yang, Zai-Hua Author Rozkošný, Rudolf Author Ya, Mao-Fa text Zootaxa 2015 4057 1 journal volume 39308 10.11646/zootaxa.4057.1.2 52b014ee-89ec-4a99-8628-785407c59379 1175-5326 243320 42854A6F-F5EC-4248-98DC-2DA8FF2BB2BC Key to the known species of Oxyceroides gen. nov. 1. Eyes touching, males.................................................................................. 2 - Eyes separated by a broad frons, females.................................................................. 4 2. Scutellar spines shorter than scutellum ( Figs 1–2 , 16); gonostylus bicuspid (24–25).................. O. sinica sp. nov. ♂ - Scutellar spines longer than scutellum (Figs 5, 26, 28); gonostylus with another shape, never bicuspid ( Figs 25 , 32 )....... 3 3. Last flagellomere longer than penultimate one ( Fig. 10 ); gonostylus bilobate, lobes of phallic complex broad in apical third, distal projections of reaching the apical margin of lateral lobes ( Fig. 13 ).......................... O. gracilis sp. nov. ♂ - Last flagellomere about as long as penultimate one ( Fig. 29 ); gonostylus simple, turned inwardly and sharp apically, phallic complex narrow in distal third and only trifid, parameral sheath not projected distally ( Fig. 32 ).......... O. tangi sp. nov. ♂ 4. Scutellar spines longer than scutellum in middle (Fig. 6), whitish lateral stripes along inner eye margin exceeding the insertion of antennae, frons without longitudinal middle groove, frontal hair patch not at the base of antennae (Fig. 4)................................................................................................. O. gracilis sp. nov. ♀ - Scutellar spines shorter than scutellum in middle (Fig. 17), whitish lateral stripes along inner eyes margin reaching at most the level of antennal insertion, frons with longitudinal middle groove, frontal hair patch at the base of antennae (Fig. 15)............................................................................................ O. sinica sp. nov. ♀