A taxonomic revision of the Old World genus Kieffer (Hymenoptera, Scelionidae).

The genus Kieffer (Scelionidae: Scelioninae) is known only from the Old World: Kenya, Tanzania, Malawi, South Africa, Madagascar, southern India, the island of New Guinea, and eastern Australia. After revision, 10 species are recognized. Four species were previously recognized and are redescribed: Risbec (Madagascar), Saraswat (India: Kerala), Kieffer (Australia: Queensland), and Dodd (Australia: Queensland). Six species are described as new: (Indonesia: Papua Barat), (Papua New Guinea, Australia: Queensland), (Kenya, Tanzania, Malawi, South Africa)., (Madagascar), (Madagascar), and (Tanzania). Szabó is treated as a junior synonym of An identification key to species of the genus is provided.