This study shows results of laboratory experiments on stored soft white wheat infested with two stored pest species: rice weevil - Sitophilus oryzae (L. ). and red flour beetle - Tribolium castaneum (Herbst). treated with different mixtures of Diatomaceus earth (DE) and pyrethrins (Diatect V. https://www.machitoorchestranyc.com/product-category/cough-relief/