red flour beetle is an economically important pest of stored grain and grain products thoughout the. This species has had a long association with human stored food and is found in association with diverse range of commodities such as grain ,peas , beans, cocoa, nuts, dried fruits, and spicies, but milled grain products such as flour is the most preferred food. In severe infestation, the flour turns grayish and mouldy, and has a pungent, distasteful odour making it unsuitable for human consumption. red flour beetle also excrete hydroxyquinone compounds and promotes mould growth during feeding on host, resulting contamination and damage of stored products.