Sulcomesitius Moczar 1970

Key to the Chinese species of the genus Sulcomesitius Móczár, 1970 1. Female: antenna usually thickened ................................................................................................... 2 – Male: antenna usually slender .......................................................................................................... 4 2. PPP as long as median length of dorsal surface of MPC ........... S. haemorrhoidalis (Maretti, 1897) – PPP shorter, at most two-thirds as long as median length of dorsal surface of MPC ....................... 3 3. Legs reddish brown; length of eye shorter than width of frons, WF:LE = 1.33 ................................. ............................................................................................. S. impressus Xu, He & Terayama, 2003 – Legs partly dark brown; length of eye equal to width of frons, WF:LE = 1.01 ................................. ....................................................................................................................... S. angustifrons sp. nov. 4. Hypopygium with posterior branches wider than median notch .................. S. latibilobatus sp. nov. – Hypopygium with posterior branches narrower than median notch ................................................. 5 5. Hind wing with four distal hamuli; basal part of hypopygium with lateral margin distinctly incurved, posterior branches with long setae on inner margin; dorsal harpe 8-shaped ......................................................... S. breviculus (Xu, He & Terayama, 2003) comb. nov. – Hind wing with three distal hamuli; basal part of hypopygium with lateral margin slightly incurved, posterior branches with long setae apically; dorsal harpe S-shaped ................................................. 6 6. T2 with dense punctures, granulate basally; mesoscutum distinctly elevated; mesoscutellum densely foveolate; apical margin of PPP blunt in dorsal view ............. S. zhaoi (Xu & He, 2006) comb. nov. – T2 with punctures separated by more than 2.0× their diameter; mesoscutum slightly elevated; mesoscutellum foveolate; apical margin of PPP acute in dorsal view ............... S. sparsulus sp. nov.