Clover seed-Pea leaf weevil

Sitona lineata

Pest description and crop damage Adults are small, grayish brown, faintly striped weevils about 0.17 inch long. They appear in large numbers in spring and sometimes late summer. Adult feeding may kill seedling plants and seriously defoliate older stands.

Management-chemical control

  • bifenthrin (Batallion 2EC, Brigade 2EC, Discipline 2EC) at 0.06 to 0.1 lb ai/A. REI 12 hr. Do not apply to blooming crop or allow to drift while bees are actively visiting bloom. Do not make more than 3 applications per crop year. Allow at least 21 days between treatments. Do not graze clover after applying. Do not cut treated clover for hay or forage. Do not use harvested seed for sprouting. No part of the treated field, including seed, seed screenings, hay, forage, or stubble, may be used for human or animal feed. Processed seed must be labeled. 24c SLN: Batallion 2EC, OR-200006 (expires 12/31/2025), Brigade 2EC, OR-070013 (expires 12/31/2023), ID-070009 (expires 12/31/24); Discipline 2EC, ID-040009 (expires 12/31/24). Oregon and Idaho only.