The present study was conducted to evaluate the efficacy of Relief T, Bti and turpentine oil under laboratory conditions. The Biopesticides show good results in controlling mosquitoes.It can be helpful in controlling population of mosquitoes in breeding places and can be adopted as safe measure to control mosquitoes as resistance is main issue by using insecticides. So, by using biocides, we not only can control mosquitoes but safe the environment also. Это и многое другое вы найдете в книге Biological control of Culex mosquitoes (Larvae) in Pakistan (Farkhanda Manzoor,Sumaira Aslam and Sabiha Fazal)