Genus: Diachasma Foerster, 1862

Diachasma Foerster, 1862: 259 . Type species: Opius fulgidus Haliday. Atoreuteus Foerster, 1862: 241 . Type species Atoreuteus striatus Foerster. Bathystomus Foerster, 1862: 235 . Type species: Bathystomus xanthopus Foerster. Opius (Diachasma) Fischer: 1959a: 57.