Review of the genus Wilkinsonellus Mason, 1981 (Hymenoptera, Braconidae, Microgastrinae) from Vietnam, with a key to species and four new species

The genus Wilkinsonellus Mason (Hymenoptera, Braconidae, Microgastrinae) is reviewed for Vietnam. Four new species are described and illustrated: W.flavicrus sp. n., W masoni sp. n., W nigratus sp. n., and W nigrocentrus sp. n. A key to the described species of the genus is provided.