New species of Osmylus Latreille from Henan, China (Neuroptera: Osmylidae)

Four new species of Osmylus Latreille are described from China: Osmylus biangulus sp. nov., O. lucalatus sp. nov., O. bipapillatus sp. nov. and O. pachycaudatus sp. nov. Parosmylus elegantissimus (Kozhanchikov, 1951) comb. nov. is transferred is transferred from Osmylus. A key is given to differentiate species of Osmylus in China.