Three new species of Mesoleptidea Viereck (Hymenoptera, Ichneumonidae) from China

Three new species of Mesoleptidea Viereck, 1912: M. nigra Li & Sun, sp. nov., M. nigricoxalis Li & Sun, sp. nov. and M. ruficoxalis Li & Sun, sp. nov., collected from the National Forest Park of Mt Wawu and Mt Laojun, Sichuan, on the southern border of the Eastern Palaearctic part of China, are described. A key to species ofMesoleptidea known in China and Eastern Palaearctic region is provided.