Benson, Jessica L.2024-04-262024-04-26200010.7275/18860439https://hdl.handle.net/20.500.14394/46725ParasitismPieris Insects Biological controlPieris Insects Massachusetts.Effects of parasitism of two Cotesia spp. parasitoids released for biological control of an invasive pest butterfly (Pieris rapae) on two native pierid butterflies (Pieris napi oleracea and Pieris virginiensis) in Massachusetts.thesis45672522