Blister beetles

Adult Blister Beetle

2000. Ralph E. Berry, Department of Entomology, Oregon State University, Corvallis, OR.

Four species of blister beetles, Epicauta spp. (Coleoptera: Meloidae), may damage potatoes, but feeding injury is rarely economically important and control is seldom, if ever necessary. Adults feed on the leaves causing a ragged appearance. Adults vary in length from 15 to 28 mm and appear narrow and elongate with conspicuous heads and necks. Adults are usually abundant only in areas adjacent to rangeland or desert areas where larvae have overwintered.

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