Six new species of three small genera of the subfamily Rogadinae: Cystomastacoides van Achterberg, 1997; Gyroneuron Kokujev, 1901 and Rogasodes Chen & He, 1997, viz. Cystomastacoides contrastus Long, sp. n.; Cystomastacoides similis Long, sp. n.; Gyroneuron asperatum Long, sp. n.; Gyroneuron bicoloratum Long, sp. n.; Gyroneuron glabrum Long, sp. n. and Rogasodes phongi Long & Hoa, sp. n.; and three new species of the subgenus Arcaleiodes Chen & He, 1997 from Vietnam, namely: Aleiodes (Arcaleiodes) hoanglienensis Long, sp. n., Aleiodes (Arcaleiodes) sapa Long, sp. n. and Aleiodes (Arcaleiodes) simulatus Long, sp. n. are described. Additionally, two genera: Cystomastacoides van Achterberg and Rogasodes Chen & He, and two species: Aleiodes (Arcaleiodes) sinamensis Quicke & Butcher and Cystomastacoides coxalis Chen & He are newly recorded for Vietnam’s braconid fauna. | New records of rare genera of the subfamily Rogadinae (Hymenoptera: Braconidae), with description of nine new species from Vietnam
