Diadegma congregator (Walley, 1926)[2]Diadegma pygmaeum (Viereck, 1925)[3]Diadegma plutellae (Viereck, 1912)[4]Diadegma hellulae (Viereck, 1912)[5]Diadegma polynesiale (Cameron, 1883)[6] Diadegma insulare[1] is a wasp first described by Ezra Townsend Cresson in 1865.

No subspecies are listed.

[2][3][4][5][6][7][8] It is a parasitoid of the diamondback moth, which is a pest of cruciferous crops.

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