5) 1-R1 of fore wing very short,almost as long as stigma.A key to Chinese species of Microplitis Foerster is provided.The type specimens are deposited in Zhejiang University, Hangzhou, China.

• 5)前翅1-R1脉特别短；约与翅痣等长(后者明显长于翅痣长).；采自黑龙江