bagworms - Knowledgebase Question

Mooresburg, Te
Avatar for realblonde
Question by realblonde
January 14, 2010
several of my evergereen trees have.
First, have they survivied this cold weather and if so should I spray now?

Answer from NGA
January 14, 2010
Bacillus thuringiensis (Bt), sold under the trade name Dipel and Thuricide, is a great weapon against bagworms. It is basically a disease you give them (and other critters like gypsy moths, tent caterpillars, webworms, tomato hornworms, and other moth larvae). It is a great organic remedy that will not harm the birds, bees, animals and other insects in the garden. Since the pests must consume it for it to be effective, wait until you see them. It's most effective when the larvae are small. BT is very popular and is widely available in most garden centers.

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