الفهرس 
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Abstract
I. INTRODUCTION
Stored product insects cause serious losses in weight and quality of the stored products during storage (Evans 1987). Among the stored-product coleopteran insect pests, Oryzaephilus surinamensis and Sitophilus granarius can be a major pests in storage of grain-based products (Campbell and Runnion 2003). These pests are major pests of stored grains and grain products in