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Larva of Klamathweed beetle, <i>Chrysolina quadrigemina</i>, on a bud of common St. Johnswort, <i>Hypericum perforatum</i>. — Larva of Klamathweed beetle, Chrysolina quadrigemina, on a bud of common St. Johnswort, Hypericum perforatum.
Credit: Eric Coombs, Oregon Department of Agriculture, Bugwood.org