2 years, 10 months ago
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I need an organic treatment for black blister beetles on vegetables. No rotenone & no pyrethrins, please. Any suggestions? Flour & lime?
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So sorry to hear this. Water is your best bet. early in the day, hose them off. Pick them off early in the day, drop in a can of water, put on the lid. If they feed in your area at night, search for them then.
http://www.rodale.com
is a very good organic resource
They do have a bad substance in them, so wear gloves.
Blister Beetles are soft-bodied, usually black or brown, mostly elongate and cylindrical beetles belonging to the family Meloidae. Blister beetles are common insects found feeding on the flowers and foliage of various plants. One group of blister beetles has body fluids that contain cantharadin, a substance that can cause the skin to blister, from which the family gets its name. this data from the Regents of the University of Minnesota
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