Parasitoids of the grapeleaf skeletonizer, Harrisina brillians Barnes and McDunnough (Lepidoptera: Zygaenidae) in northwestern Mexico |
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Authors: | Luis Guerra-Sobrevilla |
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Institution: | aUniversidad de Sonora, Unidad Regional Norte, Caborca, Sonora, Mexico |
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Abstract: | Nine species of parasitoids were collected from pupae of the grapeleaf skeletonizer, Harrisina brillians Barnes and McDunnough (Lepidoptera: Zygaenidae) in Caborca, Sonora in northwestern Mexico. The parasitoids detected and the percentage parasitization observed were: Ametadoria misella (Wulp), (Diptera: Tachinidae) 29.3%; Hockeria rubra (Ash.), and a species from the genus Euchalcidia (Hymenoptera: Chalcididae), plus five suspected species, all from the family Eulophidae, and a species from the genus Arachnophaga (Hymenoptera: Eupelmidae), 21.6%. Mortality due to unknown causes was 13.7%. In all, 64.6% parasitization and mortality was observed. The most abundant parasitoids were the five unidentified suspected species of Eulophidae, which corresponded to 46% of the total collected; the species from the genus Euchalcidia made up 31% of the total; the tachinid fly, Ametadoria misella comprised 15%; Hockeria rubra comprised 8%, and the species from the genus Arachnophaga comprised < 1%. |
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Keywords: | Grapeleaf skeletonizer Harrisina brillians parasitoids parasitization |
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