Paracyphononyx Gribodo 1884

Key to the Chinese species of the genus Paracyphononyx Female (unknown for P. kollhoffi Haupt) 1. All legs black (Fig. 1A)................................................................................ 2 - Hind femora and tibiae red (Fig. 3A)...................................................................... 3 2. Metasomal terga 1–3 with squamiform pubescence; ocelli forming a right-angled triangle; ratio of malar space to mandible width at base = 5:12; ratio of SMC2 to SMC3 on vein M = 1:1..................... P. pilisquamatus Liu & Ma, sp. nov. - Metasomal terga 1–3 covered with short, bluish-gray pubescence basally; ocelli forming an obtuse-angled triangle; ratio of malar space to mandible width at base = 5:8; ratio of SMC2 to SMC3 on vein M = 3:5............ P. alienus (Smith, 1879) 3. Apical sternum strongly compressed laterally, with a distinct longitudinal ridge ventrally (as in Fig. 1G); SMC3 strongly narrowed above, much shorter than below, quadrilateral, not petiolate; longer spur of hind tibia fully two-thirds of basitarsus................................................................................ P. pedestris (Smith, 1855) - Apical sternum moderately compressed laterally, without a longitudinal ridge ventrally (Fig. 3G); SMC3 strongly narrowed above and forming triangle, petiolate (Fig. 3F); longer spur of hind tibia fully one half of basitarsus........................................................................................... P. noncarinulatus Liu & Ma, sp. nov. Male 1. All legs black (Fig. 2A)................................................................................ 2 - Hind femora and tibiae red (Fig. 4A)...................................................................... 4 2. POD = OOD; A1 + A2 = A3; vertex flat between eye tops................................... P. kollhoffi Haupt, 1938 - POD> OOD; A1 + A2> A3; vertex slightly convex between eye tops........................................... 3 3. Metasomal terga without white squamiform pubescence; ratio of malar space to mandible width basally = 5:8; paramere extending far beyond apex of digitus volsellaris, aedeagus with a very short, transparent membranous band apically, length of transparent membranous band about 0.2 × aedeagus........................................ P. alienus (Smith, 1879) - Metasomal terga 1–3 and hind coxa dorsally with white squamiform pubescence (Fig. 2A); ratio of malar space to mandible width basally = 6:12; paramere short, aedeagus with distinct, transparent membrane band apically, length of transparent membranous band equal to aedeagus (Fig. 2H, I)................................ P. pilisquamatus Liu & Ma, sp. nov. 4. Pronotum without yellowish white stripe at posterior margin (Fig. 4F); metasoma with stout, short setae at apex (Fig. 4A); SMC3 strongly narrowed above and forming triangle, petiolate (Fig. 4H); longer spur of hind tibia fully five-sixths of basitarsus......................................................................... P. noncarinulatus Liu & Ma, sp. nov. - Pronotum with yellowish white stripe at posterior margin; metasoma with long setae at apex; SMC3 strongly narrowed above, quadrilateral, not petiolate; longer spur of hind tibia fully half of basitarsus................... P. pedestris (Smith, 1855)