Potato leafhopper (PLH), Empoasca fabae, is an important mid-summer pest of many crops in the eastern and central U.S. In 2001 and 2002, we conducted field cage studies on the yield impact of varing densities of PLH on seedling snap beans. Results showed that fewer than 1 PLH nymph per leaf resulted in economic yield loss.
Species 1: Homoptera Cicadellidae Empoasca fabae (potato leafhopper)
Keywords: threshold, Phaseolus vulgaris
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