Study the effect of some different colour lights on some of the Biological aspects of Callosobruchus maculatus (Fabricus)(Coleoptera:Bruchidae)

Abstract

This study aimed to investigated the effect of some colors on the biological aspects of Callosobruchus maculates by treated with green, yellow, red and blue lights, in addition to control (dark). The result revealed that the blue color was the most effective on egg hatching, larval stage, pupal stage and adult emergence,it gave value 97% for egg hatching compaired with control which it gave 100%, and (16.96,18.17)day for larval and pupal stages respectively,compared to the control that was 10,9 day for larval and pupal stages respectively .The result revealed that the blue color was the most effective on the number of adults emereging and sex ratio was 40%compared to control 80%.