none A very high incidence of Agrotis ipsilon Hafner (Noctuidae: Lepidoptera) was noticed on potato crop in Imphal (Manipur State) during Rabi season. Hence a study was undertaken on natural enemies of A. ipsilon . Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Habitat; Man made habitat; Land and freshwater zones; Oriental region Turanogonia (Tachinidae); Lepidopteran hosts; Agrotis ipsilon; Prevalence & stage of attack; Prevalence; Agrotis ipsilon (Lepidoptera) host; Cultivated land habitat; India; Manipur; Imphal; Potato field, prevalence & stage of attack in lepidopteran host Agrotis ipsilon (Noctuidae); Dipteran parasites; Turanogonia; Hymenopteran parasites; Apanteles glomeratus; Eutanyacra; Ichneumon & Setanta; Prevalence & stage of attack; Prevalence; Diptera & Hymenoptera; Cultivated land habitat; India; Manipur; Imphal; Potato field, prevalence & stage of attack of insect parasites Apanteles glomeratus (Braconidae ); Ichneumonidae; Lepidopteran hosts; Agrotis ipsilon; Prevalence & stage of attack; Prevalence; Agrotis ipsilon (Lepidoptera); Cultivated land habitat; India; Manipur; Imphal; Potato field, prevalence & stage of attack in lepidopteran host