bagworms - Knowledgebase Question

waterloo, Il
Question by velmerok
July 22, 2009
what to use on bagworms now when active and a preventative to stop the eggs from hatching next year. (some kind of oil-and where applied- plant or ground) thx- Ray

Answer from NGA
July 22, 2009


In your area of Illinois you can use Bacillus thuringiensis kurstaki (Dipel, Thuricide) to control bagworm crawlers now. Early next spring, spray with Spinosad (Conserve), cyfluthrin (Tempo), permethrin (Astro), bifenthrin (Onyx, Talstar), or other pyrethroids to provide effective control of the eggs. Apply to the trees, not to the soil. For an article about bagworm control from the University of Illinois, you can visit the following website:

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