Our iris bed is full of iris borers. We've cleaned up the bed and destroyed all the damaged plants. What pesticide can we spray in the spring to discourage these things? I've read on the internet about Cygon 2E, but it looks like that was taken off the market. I've checked the labels on Sevin and some of the Ortho products but don't see where they control iris borers. Any thoughts?
Thanks.

Beth have you read this. I read all pages and found it very informative.

http://www.irisgarden.org/borermain.html

Very informative. Thanks
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Thanks for passing along this very helpful information!

quote:

Iris borers

Mid- America on Borers;
Iris borer is a concern in the North and Eastern US. They can be killed by chemical sprays or by observing their activity in the leaf and physically squashing them. Aphids can sometimes be a problem that can be addressed with chemical sprays or with the introduction of predator insects.
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