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EPA Proposes Use of New Insecticide Active Ingredient

Earlier this week, the Environmental Protection Agency (EPA) proposed to register pesticide products containing a new active ingredient called tetraniliprole for sale and use in the US.

One of the “pesticide products” the EPA wants to register likely includes Bayer’s new and unnamed insecticide. According to Bayer, the tetraniliprole-based insecticide will be a 2-in-1 solution for both annual bluegrass weevil (ABW) and white grubs.

Bayer says that using tetraniliprole allows for season-long protection, immediate cessation of insect feeding following exposure, and consistent control of ABW and white grubs with just 1-2 applications per year. 

Although the use of tetraniliprole goes beyond just ABW and white grubs. According to the EPA, if approved, tetraniliprole will be the first registered diamide insecticide available in the US that controls corn rootworm larvae in corn through soil application, and flea beetles in corn and potatoes. It would also be the first diamide offering control of wireworms in potatoes and similar crops, and control of cutworms in tobacco via soil application.

Application Requirements

A study done by both the EPA and Canada’s Pest Management Regulatory Agency determined that tetraniliprole had no human health risk concerns. 

Still, the EPA is proposing specific mitigations to address potential ecological risks, including:

  • A 50-foot spray buffer for aerial application
  • A 25-foot spray buffer for ground applications
  • Directions for use for treated seed to reduce exposure to treated seeds for large birds
  • A 25-foot vegetative filter strip to reduce runoff into surface water

If you have any thoughts or concerns regarding tetraniliprole, let the EPA know! They’re accepting public comments on this proposal via docket EPA-HQ-OPP-2017-0233 at www.regulations.gov for 30 days, closing on Nov. 22, 2020.


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