The EFFECT OF THE REARING ON OILS SOURCE IN ACTIVATION OF OILS FOR CONTROLLING THE GRAIN BEETLE Trogoderma granarium (E.)

Abstract

The results of studying the effect of the type of host food by which the larvae were reared on , and the type of oil used for some vegetable oils ( sunflower ,Sesame ,Peanut , Soybean and Almond ) on the 3rd instar of grain beetle , showed a different mortality percentage and the Peanut oil exhibit a superior , killing percentage reached 72.5 . and toxicity index 100 on insect larvae reared on Peanut in comparisor with 49.3 % and 41.3 for toxicity index . The lowest killing percentage 43.7 % was obtains from treating larvae reared on Sunflower with Sunflower oil in comparison with 66.6% on larvae reared on wheat .