Bacillus thuringiensis is effective and is highly specificto caterpillars. Use of Bt products will avoid disrupting biological control of hop loopers and bertha armyworms, as well as biological control agents of spider mites and hop aphid.

BT Kurstaki 15% A liquid formulation of bacteria. Controls caterpillars, loopers, cabbageworms, hornworms, leaf folders and leaf rollers. One pint treats up to 10,875 sq. ft. Won’t harm beneficial insects.

• Not for Sale in CA and DC at this time.
• EPA Reg. No. 4-226