Ptychoptera longwangshana Yang & Chen, 1998 and Ptychoptera gutianshana Yang & Chen, 1995 a wing of P. longwangshana b–f P. gutianshana (b wing c male genitalia, lateral view d epandrium, dorsal view e gonocoxite and gonostylus, dorsal view f hypandrium, ventral view). Scale bars: 1.0 mm (a, b); 0.2 mm (c–f).