
Nikki
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 23, 2011
There are several kinds of caterpillars that causes that kind of damage. Without seeing the bug, I cannot ID it. But, the standard treatment for almost any caterpillars is Bacillus thuringiensis, also known as Bt. You can also try neem oil. This is usually effective on those kinds of pests.
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