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Scout for Potato Leafhoppers (07/26/18)

Each year potato leafhoppers migrate into ND on winds from the southeastern United States. Last week, low populations of potato leafhopper nymphs (immature stage) were reported on soybeans near Jamestown.

Scout for Potato Leafhoppers

Each year potato leafhoppers migrate into ND on winds from the southeastern United States. Last week, low populations of potato leafhopper nymphs (immature stage) were reported on soybeans near Jamestown. Potato leafhoppers feed on dry bean, alfalfa, potatoes as well as soybeans. Foliage becomes dwarfed, crinkled and curled. The adult is about ⅛ inch, wedge-shaped and pale green. Nymphs are wingless, green, and feed on the underside of the leaf.

Scout for leafhoppers in early morning and examine the undersides of leaves for adults and nymphs. Adults are very active, jumping or flying when disturbed. Both adults and nymphs run backwards or sideways rapidly.

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Janet J. Knodel

Extension Entomologist

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