Abstract
Abstract We examined the effects of combinations of: (a) an artificial food supplement comprising yeast autolysate, sugar and water in the ratio 4:7:10, and (b) different numbers of live prey (eggs of Anagasta kuehniella) on larval development and survival, and on adult weight and survival, of the green lacewing Chrysoperla carnea. Given the same number of prey eggs, predator larvae receiving artificial food supplement reached the pupal stage more rapidly than those given water. Furthermore, more insects in the food supplement treatments eclosed successfully as adults. Only females given good supplement during larval life were able to produce eggs in the absence of a proteinaceous adult meal.
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