Bean Leaf Beetle - Snap Beans

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The bean leaf beetle (BLB), Cerotoma trifurcata, is an occasional pest of snap bean (Phaseolus vulgaris) throughout the eastern U.S. and in recent years, in the upper Midwest production regions of southern Minnesota and Wisconsin. Recent outbreaks since 2000 have been attributed to milder winters or adequate snow cover to insulate overwintering adult populations. Other hosts include soybeans (Glycine max), peas (Pisum sativum), clover (Trifolium spp.), cowpeas (Vigna unguiculata), dry edible beans (P. vulgaris), and several leguminous weeds.

Authors: 
K. Van Wychen Bennett
Authors: 
W.D. Hutchison
Authors: 
E.C. Burkness
Authors: 
R.L. Koch
Authors: 
B. Potter
Publisher: 
University of Minnesota
Year: 
2011