Compatibility of Insect Growth Regulators and Chrysocharis parksi (Hymenoptera: Eulophidae) for the Control of Liriomyza trifolii (Diptera: Agromyzidae)

Abstract
The insect growth regulators (IGRs) cyromazine 75W [N-cyclopropyl-1,3,5-triazine-2,4,6-triamine] and Ro 13-5223 IE (ethyl [2-(p-phenoxyphenoxy)ethyl]carbamate) were evaluated for their ability to control Liriomyza trifolii (Burgess) and for their compatibility with the endoparasite Chrysocharis parksi (Crawford). These IGRs provided >80% control of L. trifolii; cyromazine acted on larvae within mines and significantly (PP 0.05) was detected when parasite emergence was compared from treated and untreated plants.

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