The information in this profile may be out-of-date. It was last revised in 1996. EXTOXNET no longer updates this information, but it may be useful as a reference or resource.

Please visit the National Pesticide Information Center (NPIC) to find updated pesticide fact sheets. If you don't find a fact sheet related to your question, feel free to call 1-800-858-7378. NPIC is open five days a week from 8:00am to 12:00pm Pacific Time.


Extension Toxicology Network

Pesticide Information Profiles

A Pesticide Information Project of Cooperative Extension Offices of Cornell University, Oregon State University, the University of Idaho, and the University of California at Davis and the Institute for Environmental Toxicology, Michigan State University. Major support and funding was provided by the USDA/Extension Service/National Agricultural Pesticide Impact Assessment Program.

EXTOXNET primary files maintained and archived at Oregon State University

Revised June 1996


Trade and Other Names: Trade names include AC 92100, Aragran, Contraven, Counter, and Plydox.

Regulatory Status: Products containing 15% or more terbufos are classified as Restricted Use Pesticides (RUPs). RUPs may be purchased and used only by certified applicators. Terbufos is classified as toxicity class I - highly toxic. Terbufos products are labeled with the Signal Word DANGER.

Chemical Class: organophosphate

Introduction: Terbufos is an organophosphate insecticide and nematicide used on corn, sugar beets and grain sorghum. Primarily formulated as granules, it is applied at planting in a band or directly to the seed furrow. Terbufos controls wireworms, seedcorn maggots, white grubs, corn rootworm larvae, and other pests.

Formulation: Primarily formulated as granules, it is applied at planting in a band or directly to the seed furrow.

Toxicological Effects:

Ecological Effects:

Environmental Fate:

Physical Properties:

Exposure Guidelines:

Basic Manufacturer:

American Cyanamid Co.
One Cyanamid Plaza
Wayne, NJ 07470-8426


References for the information in this PIP can be found in Reference List Number 5

DISCLAIMER: The information in this profile does not in any way replace or supersede the information on the pesticide product labeling or other regulatory requirements. Please refer to the pesticide product labeling.