Answer
Apr 22, 2013 - 01:43 PM
Any species of bug that eats green bean plants or "snap beans", would in most cases, be some sort of larvae. This is because the immature "moths" or whatever the pest it is, is a larvae or caterpillar in the stage that usually damages plants.
The most common green bean pests occuring in your area are seedcorn maggots, potato leafhoppers, bean leaf beetles and soybean aphids. The best method of control for almost any plant feeding pest, is to treat when the pests are just starting to multiply and just starting to hatch. Since prevention is almost impossible (most pests can fly and/or migrate in from other areas) a topical treatment with precise timing is essential.
Sevin is a good product to use - http://www.epestsupply.com/product/SE...
Cyonara is also a good product. Here is the link -
http://www.epestsupply.com/product/75...
Here is a good article on plant pests on Snap beans, green beans in Indiana from Purdue University - http://www.agry.purdue.edu/CCA/2009/CCA%202009/Proceedings/Maynard-Groff-green-
beans_cca09_Final%20Version%2011-24.pdf
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