Vetch hay-Pea leaf weevil

Sitona lineata

Pest description and crop damage This is the common, large light-green aphid found on most legumes. Large populations weaken plants, secrete honeydew, and can reduce hay yield.

Management-chemical control

  • zeta-cypermethrin (Mustang, Mustang Maxx) Mustang at 0.035 to 0.05 lb ai/A; Mustang Maxx at 0.0175 to 0.025 lb ai/A. PHI 3 days cutting and grazing; 7 days for seed. REI 12 hr. Do not apply more than 0.05 lb ai per cutting or 0.15 lb ai per season of Mustang or 0.025 lb ai per cutting and 0.075 lb ai per season of Mustang Maxx. Retreatment interval 7 days.