Food Habits of the Khapra Beetle Larva1

Abstract

Khapra beetle larvae, Trogoderma granarium Everts, feed on foods other than on grains and related products. Experiments show that these larvae, like those of many other dermestids, feed on substances of animal origin. Elimination-type preference tests demonstrated that larvae prefer them to many vegetable foods. This indicates that complete eradication of the beetle may not be possible unless such food reservoirs are taken into consideration. The feeding tests also showed, contrary to previous statements, that first instra larvae can attack sound grain and survive.