Bioassay of Some Vegetable Oils on ConfusedFlour Beetle.

Linum usitatissium L. Bitter almond Ricinus communis L. Lepidium sativum L. Sesamum inidicum L. Tribolium confusum Duv. / / 2005-2006, 80% 8% 6% , 48% 268% 60% 8% 70% 4%. Biological evaluation results showed that oil of Flax Linum usitatissium , Better almond Bitter almond , Caster Ricinus communis , Cress Lepidium sativum and Sesame Sesamum inidicum on the Confused flour beetle Tribolium confusum, which conducted in the Insect Research Lab./Plant Protection Dep./College of Agric. and Forestry / Mosul University during year of 2005-2006 , that had a lethal effection for the adult stage, Flax has significant effection compared with the other extracted oils, the mean of lethal percentage reacted to 80% with the 8% Ec. While the extracted oil of the Flax , Caster , Better almond , with the 6% Ec. Had repellent effection for the adult Confused flour beetle , and had attractive effection under the 4 , 8%Ec. For the Caster oil and , 2 , 6 , 8% Ec. For the Cress and Sesame oils, Caster oil showed significant differences under attractive percentage 60% under the 8% Ec. and70% under the 4% Ec.