none From 40 to 100% of the larvae and pupae of Plutella maculipennis Curt. collected near Lublin in 1978 and 1979 were parasitized by the ichneumonids: Diadegma fenestralis (Holmgr.), Thyraeella collaris (GRAV.), Diadromus ustulatus Holmgr., and the braconids: Apanteles emarginatus (Nees.) and Apanteles sp. The commonest parasite was Diadegma fenstralis Animals and man; Control; Biological control; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Land and freshwater zones; Palaearctic region; Europe Plutella maculipennis (Yponomeutidae); Control by; Apanteles & Ichneumonidae (Hymenoptera); Hymenopteran parasites; Apanteles & Ichneumonidae; Control use; Poland; Lublin; Control by hymenopteran parasites Apanteles emarginatus (Braconidae ); Ichneumonidae; Control of; Plutella maculipennis (Lepidoptera); Lepidopteran hosts; Plutella maculipennis; Control, use in; Poland; Lublin; Control of lepidopteran hosts