SUMMIT B.t.i. Granules

Insecticide, Larvicide

The proven efficacy of Summit™ B.t.i. Briquets—trusted for more than 35 years—is now available as a granule that you can apply by air or ground. Summit™ B.t.i. Granules are a flexible, formidable answer in mosquito control, spread over the surface of standing water where mosquito larvae live to kill them within 24 hours—and control them for up to 14 days.


  • Available through AMVAC as part of its balanced product line, which includes the adulticides: DIBROM® Concentrate and TRUMPET® EC
  • Contains a bacterium that's deadly to mosquito larvae but harmless to other living things such as aquatic insects, fish and other aquatic life
  • Kills larvae of mosquitos that may transmit Zika, West Nile, Dengue, Chikungunya and Yellow Fever
  • For even more residual, long-term control, use Summit B.t.i. Briquets after applying Summit B.t.i. Granules


  • Active ingredient: B.t.i. (2.86%)
  • IRAC Group 11A Insecticide
  • MOA: Microbial disruptor of insect midgut membranes

AMVAC’s website is updated regularly and may not contain the most current EPA registered product label or safety data sheet. Please contact your local AMVAC representative to confirm you have current product information. It is the sole responsibility of the end user to read and follow product use directions and to comply with all federal, state or local laws. This product may not be registered in all states and users are advised to confirm that the product is registered in all states of intended use.

SUMMIT B.t.i. GRANULES is a trademark of Summit Chemical Company.