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Grasshoppers (Acridid spp.) can be common bean pests, particularly during dry conditions or when other food sources become scarce. Both adults and nymphs may feed on bean foliage; they are more problematic along field margins with large plantings. Feeding damage appears as ragged holes in leaves or pods. While grasshopper species vary in size and color, they have long straight wings and enlarged femurs on their hind legs. Nymphs are similar in appearance to adults except wing buds are smaller.

Grasshopper.

(Photo: Ric Bessin, University of Kentucky)

(Photo: Ric Bessin, University of Kentucky)

Management:

• During dry conditions, monitor plants weekly and use insecticides as needed to keep defoliation below 20%.

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