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The braconid Cotesia plutellae(Kurdjumov) (Hymenoptera: Braconidae) is amajor solitary, larval endoparasitoid of thediamondback moth, Plutella xylostella(L.) (Lepidoptera: Plutellidae). Parasitism oflarvae of different host instars and fourdevelopmental ages of the 4th instar ofthe pest was examined. The effects of hostinstar at initial parasitization on thedevelopment, survival, size and fecundity...
Diadromus collaris (Gravenhorst)(Hymenoptera: Ichneumonidae) has been recordedin many parts of the world as a major pupalendoparasitoid of the diamondback moth Plutella xylostella (Linnaeus) (Lepidoptera:Plutellidae). Experiments were conducted tocompare reproductive compatibility andperformance as affected by temperature betweentwo geographic populations of D.collaris, one from Hangzhou, Zhejiang...
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