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Progeny fitness of the mealybug parasitoid anagyrus sp. nov. nr. sinope (Hymenoptera: Encyrtidae) as affected by brood size, sex ratio, and host quality.(Report)

ABSTRACT

Anagyrus sp. nov. nr. sinope Noyes & Menezes (Hymenoptera: Encyrtidae) is a gregarious, koinobiont parasitoid of the Madeira mealybug, Phenacoccus madeirensis Green (Hemiptera: Pseudococcidae). We investigated effects of larval competition on development, survival, and progeny body size of the parasitoid over a range of brood sizes and sex ratios. We recorded the brood size, sex ratio, and fitness parameters of parasitoids developing from second instars and adult P. madeirensis. Adult mealybugs as hosts produce larger brood and progeny body sizes and more female progeny. Second instar P. madeirensis continued to develop after parasitism, and mummies achieved a ...

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