PREDATION EFFICIENCY AND SOME BIOLOGICAL ASPECTS OF THE PREDATOR CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA: CHRYSOPIDAE) LARVAE FEEDING ON DIFFERENT EGG PREYS UNDER LABORATORY CONDITIONS

Document Type : Original Article

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Economic Entomology Department, Faculty of Agriculture, Menoufia University

Abstract

Studies have been conducted on the effect of the type of prey on Predation efficiency and some biological aspects of Chrysoperla carnea (Stephens), Results indicated that the type of food has a significant impact on the incubation period of eggs, larval and pupal periods, as well as the percentage of survival larvae, emergence percentages of adult and the sexual ratio. The results showed that the shortest of the incubation period, larval and pupal periods when larvae feed on Sitotroga cerealella , Corcyra cephalonica and Galleria mellonella . The results were in the same trend for the survival rate of the larvae, the emergence percentages of adult, longevity of adult, fecundity and fertility. The obtained results showed that S. cerealella, C. cephalonica, G. mellonella eggswere the most preferred food for C. carnea larvae.

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