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Taxonomic study of the genus Dichrogaster Doumerc (Hymenoptera: Ichneumonidae: Cryptinae) in Japan


Takuma Yoshida, Systematic Entomology, Graduate School of Agriculture, Hokkaido University, Kita-9, Nishi-9, Sapporo 060-8589, Japan. Email:


Japanese species of the genus Dichrogaster are revised. Four species are recognized. Two species, D. imperialis n. sp. and D. parva n. sp., are described. Dichrogaster liostylus (Thomson) and D. kichijoi (Uchida) are redescribed. A key to the Japanese species is provided.