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The newly enhanced diatomaceous earth formulation and Metarhizium anisopliae was evaluated for its insecticidal efficacy against stored grain pests. For this validation 1 kg lot of all grains were treated with three dose rates 50, 100 and 150 ppm of DE. Samples were taken at the day of 1st storage and each 45 d until the end of a 180 day era of storage. Mortality of adults after 14 days of disclosure was >80% on wheat at the beginning of storage than rice, maize and sorghum. During the first 90 days, adult mortality was increased and progeny emergence was less in the beginning of storage....