 Pea leaf weevil adult Pea Leaf Weevil Adults are grayish-brown, slender weevils about 5 mm long with a short snout. Three light, inconspicuous rows of small scales run lengthwise on the thorax and tend to extend onto the wing covers. Wing covers are marked lengthwise by parallel striations. Larvae are small, milky-white, C-shaped, legless, and up to 5 mm long. Adults chew notches out of pea leaf margins, and larvae feed on rhizobial root nodules of peas. Adults can also defoliate new-seeding alfalfa, causing stand loss or death. Host plants: peas, alfalfa, clover, faba beans, vetch.
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