记录我国叉齿细蜂属Exallonyx叉齿细蜂亚属Exallonyx网腰细蜂种团dictyotus-group 2新种:采自陕西和浙江的黑唇叉齿细蜂Exallonyx nigrolabius.sp.nov.和采自贵州的短脊叉齿细蜂Exallonyx brevicarinus.sp.nov.。模式标本保存于浙江大学寄生蜂标本室。
Exallonyx nigrolabius, sp. nov. and Exallonyx brevicarinus, sp. nov. were described and illustrated herein, a key to Chinese species of dictyotus group is given.The types of the new species are deposited in the Hymneopteran Collection of Zhejiang University.