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A ISTRA ("|" Stored cereals, oilseeds, pulses, spices, dried fruits, tree nuts and their processed foods which are important for food and trade purposes, suffer economic and quality losses due to insect pest attack. Chemical insecticides play major role in insect pest elimination from stored products. lncrease of problems concerning use of synthetic chemical insecticides, such as persistence of residues, resistance and damage to the environment as well as human health has generated interest in naturally occurring products. Essential oils may have attractive or repellent effects and insecticidal action against certain insect pests. lt was found that these bioactive compounds are potentially toxic to insects but relatively safe to human. ln recent years, several studies were reported on toxicity of lranian plant essential oils from different families such as Alliaceae, Apiaceae, Asteraceae, Cupressaceae, Graminaceae …