The genus Ussurohelcon Belokobylskij is recorded for the first time from Vietnam with six new species described and fully illustrated: Ussurohelcon hatinh Long, sp. nov., U. hagiang Long, sp. nov., U. mellicentralis Long, sp. nov., U. mocchau Long & van Achterberg, sp. nov., U. similis Long, sp. nov. and U. tuyenquang Long, sp. nov. Comparative morphological characters of Ussurohelcon species are discussed and a key to Oriental species is also provided.

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doi.org/10.3897/zookeys.1266.176930
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Oanh, Nguyen Thi, Dzuong, Nguyen Van, Long, Khuat Dang, van Achterberg, C., & Hiep, Nguyen Duc. (2026). The genus Ussurohelcon Belokobylskij (Hymenoptera, Braconidae, Helconinae) in Vietnam, with descriptions of six new species. ZooKeys, 1266, 299–324. doi:10.3897/zookeys.1266.176930