Abstract
The genera Gredzinskiya Dworakowska and Musbrnoia Dworakowska are revised and seven new species are described: Gredzinskiya lamellaris, G. serrata, G. spinalis, G. zhangae, Musbrnoia angusta, M. corollaris and M. lata spp. nov.. Habitus photos, illustrations of male genitalia and keys to adult males for both genera are provided.