Neopius Gahan, 1917

Sheng, Ying-Yi, Wu, Qiong, Achterberg, Cornelis Van & Chen, Xue-Xin, 2019, Three newly recorded genera from China (Hymenoptera, Braconidae, Opiinae) with the notes on the genus Neopius and descriptions of three new species, Zootaxa 4604 (3), pp. 588-600 : 592

Key to species of genus Neopius Gahan

1. Face yellow; notauli nearly complete, basal half crenulate and gradually reduced posteriorly; vein m-cu of fore wing shorter than vein 2-CU1; occiput rather straight in dorsal view.......................................... N. citrinus sp. n.

- Face largely dark brown; notauli complete, extended to medio-posterior depression; vein m-cu of fore wing about 1.5× vein 2-CU1; occiput concave in dorsal view................................................. N. rudis Wesmael, 1835