ENTM 4002 - Insect Biology Also offered as BIOL 4002. Prereq.: BIOL 2153 or consent of instructor. No entomology training necessary. Biological, biochemical and ecological principles as they relate to the success of insects. ENTM 7017 - Introduction to Insecticide Toxicology Prereq.: organic chemistry or equivalent. 2 hrs. lecture; 3 hrs. lab. Principles of toxicology as they relate to insecticides; bioassays, risk assessment, mode of action, pharmacokinetics, insecticide resistance and selectivity.