Schizohelea Kieffer 1917

Key for identification of extant Schizohelea Males 1. Hind femur with ventral spines (Fig. 11d)............................................... S. armata (Remm, 1993) -. Hind femur unarmed................................................................................... 2 2. Gonostylus swollen distally (Fig. 10d)............................................... S. spathulata (Remm, 1993) -. Gonostylus slender.................................................................................... 3 3. Parameres without a flap, slender, with singular, long, pointed, ventrally curved apex (Fig. 10c)..... S. pekae (Remm, 1980) -. Parameres with a flap, stout or slender..................................................................... 4 4. Parameres slender (Fig. 3b)............................................................................. 5 -. Parameres stout (Fig. 6d)............................................................................... 7 5. Aedeagus with ventral plate armed with teeth (Fig. 5h). Black apical spine of paramere short (Fig. 5e).................................................................................................. S. incerta (Clastrier, 1963) -. Aedeagus without ventral plate armed with teeth (Fig. 3c). Black apical spine of paramere long (Fig. 3b)................ 6 6. Aedeagus with two long submedian apical projections (Fig. 3c)........................... S. leucopeza (Meigen, 1804) -. Aedeagus with single short and broad roof-like apicomedian expansion (Fig. 10b)............ S. lampropeza (Remm, 1967) 7. Gonostylus straight (Fig. 8b). Aedeagus with dentate ventral plate (Fig. 8e)......................................................................................... S. clastrieri Szadziewski, Dominiak, Rumišek et Rupp, sp. nov. -. Gonostylus C-curved. Aedeagus without dentate ventral plate.................................................. 8 8. Gonostylus with forked apex (Fig. 9c). Aedeagus with two large, beak-like sublateral apical projections (Fig. 9f)............................................................ S. withersi Szadziewski, Dominiak, Rumišek et Rupp, sp. nov. -. Gonostylus with simple apex. Aedeagus with single strong median apical plate armed with distinct teeth (Fig. 6e)........................................................... S. algeriana Szadziewski, Dominiak, Rumišek et Rupp, sp. nov.