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Abstract
Chrysoperla carnea is an important pest predator, widely used for controlling insect pests. In the present study, predation and life table parameters of the predator on two factitious foods (namely: Galleria mellonella and Achroia grisella) were studied under laboratory conditions. On G. mellonella (egg stage), the development of predatory females and males was shorter than on A. grisella. In contrast, on larval stage, A. grisella recorded the shorter developmental period of predatory males and females than on G. mellonella. On both stages of A. grisella, C. carnea gave the highest reproduction rates. Life expectancy for female stage was recorded maximum of (68.0 days) on A. grisella eggs. C. carnea larvae consumed more G. mellonella larvae than A. grisella. Net and finite predation rates of C. carnea were higher on A. grisella eggs than on G. mellonella. This study indicated the suitability of both factitious preys for rearing C. carnea.
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