Platypalpus

Yang, Ding & Li, Weihai, 2005, New species of Platypalpus from Hebei province, China (Diptera: Empididae), Zootaxa 1054, pp. 43-50 : 44

Key to species of Platypalpus from Hebei

1. Mesonotum evenly covered with hairs; second costal section dark basally; tarsi entirely dark brown or brownish yellow with brownish apex; spur on mid tibia indistinct...............................................................................................................................2

­ Mesonotum not evenly covered with hairs due to hairs separated in distinct acr and dc rows; second costal section not dark basally; tarsi brownish yellow except each tarsomere with black apical annulation; spur on mid tibia long and acute hebeiensis n. sp.

2. Antenna brownish yellow except first flagellomere blackish; legs brownish yellow except tarsi brownish apically; vt absent .................................................. acutatus n. sp.

­ Antenna entirely black; legs dark brown except coxae, trochanters and bases of mid and hind femora brownish yellow; 1 weak vt ................................ xiaowutaiensis n. sp.