Bean Leaf Beetle, Cerotoma trifurcata

Are your green bean plants being chewed up, with lots of round holes in the leaves and nibble marks on the pods? The most likely culprit is bean leaf beetle, a chrysomelid pest that tends to be more common in the southeast, but has outbreaks in southern Wisconsin after mild winters. To learn more about this insect pest and what to do about it, read this article…

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