A new Laelius species (Hymenoptera: Bethylidae) from China with a key to the species in Eastern Palaearctic region

A new species of Laelius (Hymenoptera: Bethylidae) from China is described and illustrated. Biometric measurement data are also included. Laelius jilinensis Lim and S. Lee sp. nov. is characterized by ‘having mandible with four teeth, the propodeal disc with five discal carinae and the pronotum slightly wider than long’ from other congeneric species. A key to the species of the genus Laelius from the Eastern Palaearctic region is also provided.