Influence of Host Crop on Parasitoids (Hymenoptera) of Liriomyza spp. (Diptera: Agromyzidae)

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Abstract
Predominant parasitoids reared from the four major Liriomyza spp. Infesting 12 different host crops in North America and Hawaii are reviewed. No single parasitoid species was found to be the predominant biological control agent in most crops. Diglyphus begini (Ashmead), Halticoptera circulus (Walker), and Chrysonotomyia punctiventris (Crawford) were either the first or second most reared species in 60.9, 26.1, and 21.7% of o the studies, respectively. Because of uneven distribution of parasitoids among crops, it is suggested that effective biological control may depend on matching the “most effective” parasitoid species complex with a given Liriomyza host and crop. Introduction and augmentation strategies for leafminer parasitoids are suggested.

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