Sehrish Akram, Abida Butt and Shakil Ahmad Khan, 2022. Toxicity of Imidacloprid Administered Alone and in Combination with Heavy Metal Lead on Silkworm, Bombyx mori (Lepidoptera: Bombycidae). Pakistan J. Zool., 54: 165-171. DOI: https://dx.doi.org/10.17582/journal.pjz/20210623070602