Four new species of Closterocerus Westwood (Hymenoptera, Eulophidae) from China, with a key to Chinese species

Abstract

Four new species of Closterocerus Westwood, C. rectisulcus sp. nov., C. shaanxiensis sp. nov., C. separatus sp. nov. and C. unifasciatus sp. nov. are described from China, each with a distinct pattern on the fore wings, and belonging to subgenus Closterocerus. A key to all species of the genus Closterocerus in China is provided.