A laboratory study was carried out to demonstrate the efficiency of bean flour in the control of two storage mites: Tyrophagus putrescentiae (Schrank, 1781) and Aleuroglyphus ovatus (Troupeau,1878) fed on two dried Chinese herbs: coix seed (Coix lachrymal-jobi) and Chinese hawthorn (Crataegus pinnatifida). Five concentrations of bean flour (0%, 0.01%, 0.1%,1%and 10%) were used at 25 C and 85 �…