Effect of deltamethrin on the cement surface of different stages of Trogoderma granarium (Coleoptera: Dermestida) at laboratory

Abstract

The study examined the effects of all concentrations of deltamethrin pesticide concentrations (750, 1000, 1500 and 2000) ppm on indirect treatment (cement)  and exposure periods (5,7,8,9,10) days, respectively, with the highest percentage larvae inhibition rates at 2000 ppm and 7-day exposure periods, and the lowest at 750 ppm, and 7-day exposure periods The study found that deltamethrin concentrations significantly affected adults mortality rates with the highest percentages observed at concentration 2000 ppm and 8-day exposure, and lowest at 750 ppm. The study examined the effects of different concentrations of deltametherin on mortality rates in the adult phase, with the highest mortality rates at concentration 2000 and exposure period of the first day. while the lowest percentages were at concentration 750 ppm.