Collections containing 50 or 100 green clover worm larvae, Plathypena scabra (F.), were taken from the major leguminous crops in Delaware at approximately 7-day intervals throughout the 1965 growing season. A total of 285 insect parasites (6 species of Hymenoptera and 5 of Diptera) were reared from the 1400 green clover worm larvae collected. The total percent parasitism was 20.4. The predominant parasites and the percent of green cloverworms which they parasitized were: Rogas nolophanae Ashmead 6.5%, Apanteles marginiventris (Cresson) 4.1%, Microgaster facetosa Weed 2.8%, and Winthemia sinuata Rein, hard 6.2%. Four species ( Helicobia rapax (Walker), Charops annuiipes Ashmead, Isdromes lycaenae (Howard), and 1 undescribed of Chaetophlepsis ) of the 11 reared are reported as parasites of the green clover worm for the first time. The remaining 3 species were: Meteorus autographa Muesebeck, Compilura cancinnata (Meigen), and Euphorocera floridensis Townsend.