1. IntroductionMaghreb countries are sharing most of phytosanitary issues asthey are neighboring countries occupying the North–West regionof the African continent (Nasraoui, 2013). Maghreb agriculturalproductivity is severely limited by a large number of constraintsincluding insect pests that attract particular concerns due to dam-age and economic losses they induce to crops and harvestedproducts (Jarraya, 2003). The efficient control of insects in foodcommodities has long been the goal of producers and proces-sors (El-Kady, 1981). Chemical protection of stored foodstuffs isthe most available method for controlling insect pests. Fumigationtreatments are the most common and economical tool for manag-ing stored grain insect pests (Mueller, 1990; Mediouni Ben Jemâa