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What is eating my pole bean leaves?

Posted by ikea_gw 7 (My Page) on
Fri, Jun 4, 10 at 10:28

There are irregular holes in the leaves. The damage is just starting to appear and my beans are 5 ft tall. I don't think it is japanese beetles since it is still too early for them. I also don't think it is Mexican bean beetle as the holes are pretty big, maybe size of a small finger nail. It looks like what caterpillars make on a cabbage leaf. Any ideas?


Follow-Up Postings:

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RE: What is eating my pole bean leaves?

Could be cabbage loopers. THey are restricted to cabbage though that is their preference. Use Bt. Check out the link below on the Common Pests of Beans and Peas.

Dave

Here is a link that might be useful: Common Pests of Beans and Peas


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RE: correction

should read they are NOT restricted to cabbage...


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RE: What is eating my pole bean leaves?

That link is great, Dave. I think it could very well be the bean leaf beetle.


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RE: What is eating my pole bean leaves?

I went to the garden center to check out BT. The back label doesn't mention it controls beetles for beans. Dave, are you sure it works on beans? Also I have a choice of spray or dust. What is better?


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RE: What is eating my pole bean leaves?

No, Bt is for caterpillars, not beetles. That's why I mentioned it for loopers above. It isn't a beetle control pesticide. Sorry for the confusion.

Want organic or chemical control? Chemical control is Sevin (carbaryl). I use only the liquid, never the dust, of it and only as a very last resort as it also kills all the beneficials. Keep in mind that your leaves can tolerate a lot of damage before it affects any production. Organic controls linked below.

Dave

Here is a link that might be useful: Organic bean beetle controls


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RE: What is eating my pole bean leaves?

I have some spinosad at home. Would it work on the beetles?


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RE: What is eating my pole bean leaves?

Michigan I saw a tiny red lady bug looking bug today on my bush bean leaf today what is it and how do I get rid of it


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