Two new species of the genus Austerocardiochiles Dangerfield, Austin Whitfield, 1999 from Vietnam, viz. A. mellosus Long, sp. n. and A. simulatus Long, sp. n., are described and illustrated. Additionally, the genus Austerocardiochiles is newly recorded for the braconid fauna of Vietnam. The checklist and distribution of already known species of the genus Austerocardiochiles are given. A comprehensive key to Austerocardiochiles species from Oriental region is also provided.
Keywords: Ichneumonoidea, parasitic braconids, new record, Oriental, Vietnam, Hymenoptera.