This book provides comprehensive information regarding insecticides and their applications in the field of pest management. The first section on pest management describes bioactive natural products from sapindacea, management of potato pests, flower thrips, mango mealy bug, pear psylla, grapes pests, small fruit production, boll weevil and tsetse fly using insecticides. Second section on toxicological profile of insecticides provides information on insecticide resistance in natural population of malaria vector, role of Anopheles gambiae P450 cytochrome, genetic toxicological profile of carbofuran and pirimicarb carbamic insecticides, etc. The subject matter in this book will attract the reader's concern to support rational decisions regarding the use of pesticides.