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Identification of insect pests in stored grain

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You intend using a residual protectant to treat infested grain - pyrimiphos-methyl, fenitrothion and chlorpyrifos-methyl are ineffective against lesser grain borer, and pyrimiphos-methyl and fenitrothion are generally ineffective against sawtoothed grain beetle... you intend using dichlorvos to treat infested grain - if lesser grain borer is present you need to apply the higher dose rate... Some text regarding species above was sourced from Insects of Stored Grain - A Pocket Reference , David Rees (1994), Stored Grains Research Laboratory , CSIRO Division of Entomology, GPO Box 1700, Canberra, ACT, 2601, Australia...
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