Our study demonstrates that releases of lab-reared H. pennsylvanicus parasitism in 2020 (72%) were further observed at release sites 4, 6, 8, and 10 weeks following parasitoid deployment. Before parasitoid deployment, host eggs collected from release and no-release sites displayed low levels of H. Parasitoids were reared in the lab and deployed as parasitized egg masses (~2−3 females wasps/plant) in June 20. We chose organic vegetable farms growing summer squash ( Cucurbita pepo L.) as release sites and nearby Virginia Tech Agricultural Research Extension Centers (AREC) as no-release sites. pennsylvanicus on organic farms in southeastern Virginia to test if this would improve A. For this reason, we performed early-season field releases of H. ![]() tristis is largely understudied, specifically the potential of natural enemy, Hadronotus pennsylvanicus (Ashmead) (Hymenoptera: Scelionidae), as an augmentative biological control agent. ![]() Conventional growers commonly use broad-spectrum insecticides to manage squash bugs, however organic growers lack these effective chemical tools and must rely on alternative management strategies. The squash bug, Anasa tristis (De Geer) (Hemiptera: Coreidae), is a serious pest of cucurbit crops across the United States.
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