Technical Consultant and Expert Witness specializing in Insecticide Toxicology & Environmental Toxicology
Schedule a Consultation: (515) 232-2998

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Pesticide Expertise – Environmental Toxicology


Joel Coats is Distinguished Professor of Entomology and Toxicology in the Department of Entomology at Iowa State University. He is originally from Ohio and received his B.S. in Zoology (Chemistry minor) from Arizona State University. His graduate training was at the University of Illinois at Urbana-Champaign, receiving his M.S. and Ph.D. in Entomology (Chemistry minor), with specialization in insecticide toxicology and environmental toxicology. Professor Robert L. Metcalf served as his major professor there. He was a Visiting Professor for two years in the Department of Environmental Biology at the University of Guelph in Ontario, Canada.

He has been on the faculty at Iowa State University since 1978 and served as Department Chairman for seven years. He teaches in five graduate courses: Insecticide Toxicology, Pesticides in the Environment, Special Topics in Insect Toxicology, and portions of Principles of Toxicology, and Laboratory Methods in Toxicology. Joel has served as major professor for 44 graduate students, plus 3 current ones, and as adviser for 13 postdoctoral research associates.

Dr. Coats’ research program includes two main areas: (1) insect toxicology and (2) environmental toxicology and environmental chemistry of agrochemicals. His research in the insect toxicology area is focused primarily on natural products as insecticides and insect repellents, including investigations of their spectrum of activity, mechanisms of action, metabolism, synthesis of biorational derivatives and analogs, quantitative structure-activity relationships. His research on the environmental toxicology and chemistry of agrochemicals includes work on…

His 200 scientific publications include 10 books, 7 review articles, 40 book chapters, and over 140 peer-reviewed journal articles; he also holds 9 patents.

He has received the International Award for Research in Agrochemicals from the American Chemical Society Agrochemical Division, and he is a Fellow of the American Association for the Advancement of Science, and a Fellow of the Entomological Society of America. In October he received the Alumni Achievement Award from the University of Illinois College of Liberal Arts and Sciences.

ENTOX, Inc. was established in 1999 to provide the best possible service to clients:

  1. Litigation Support regarding pesticide cases of many types, including non-target and off-target effects, residues, toxic tort, environmental contamination, efficacy of products and patent infringement. See Litigation History provided. Most commonly I have provided expert technical opinions in report form (30 since 1985). I have also been deposed numerous times and have testified in court as an expert witness.
  2. Technical Consulting on all types of pesticides and insect repellents, including synthetic and botanical insecticides, acaricides, fumigants, and repellents; toxicity, mechanisms of action, environmental and comparative toxicology, ecological risk assessment, persistence of pesticides, movement in the environment, and residue analysis.
  3. Reviewing of research projects, programs and laboratories, as well as grant proposals, reports and other documents about the efficacy, methods for testing, safety, environmental fate and effects, and bioremediation of pesticides.

Joel R. Coats, Ph.D.

Joel Coats

President ENTOX, Inc. and Distinguished Professor of Entomology and Toxicology Pesticide Toxicology Laboratory, Department of Entomology.

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Contact Information

ENTOX, Inc.

524 River Oak Drive
Ames, Iowa 50010-4755

Phone: (515) 232-3989
Fax: (515) 294-4757
Email: entoxinc@gmail.com

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