More than 98% of T. castaneum adults were knocked down after 180 min exposure. All S. oryzae adults were dead after 5 d exposure. More than 96% of R. dominica adults were knocked down after 60 min exposure. The 94.4% of P. truncatus adults died after 5 d exposure on outside bag surface. More than 90.0% of T. variabile adults died after 5 d of exposure.