Dry edible and seed pea-Pea aphid

Acyrthosiphon pisum

Pest description and crop damage The common light-green aphid found on legume plants. They feed by sucking plant juices. They can transmit virus diseases and can reduce yields when abundant.

Management-chemical control

  • alpha-cypermethrin (Fastac EC) at 0.02 to 0.025 lb ai/A. PHI 21 days. REI 4 hr. Retreatment interval 5 days.
  • azadirachtin (Neemix 4.5) at 5 to 7 fl oz. (0.015 to 0.021 lb ai) /A. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
  • Beauveria bassiana (Mycotrol ESO) at 0.50 to 1 quart/A. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
  • cyfluthrin (Tombstone Helios) at 0.05 lb ai/A. PHI 7 days. REI 12 hr. Retreatment interval 14 days. Do not exceed 0.1 lb ai/A per year.
  • dimethoate (Dimethoate LV4, Drexel) at 0.16 to 0.33 lb ai/A. PHI 14 days for harvest. Allow 7 days between applications. REI 48 hr. Do not exceed 0.5 lb ai/A per season (WA 4 x @ 0.125; OR and ID 3 x @ 0.166 ai/A). Do not graze livestock. Do not apply to blooming Austrian winter peas. SLN has been subsumed as part of Section 3 label EPA Reg. 19713-665
  • malathion (Fyfanon) at 1 lb ai/A. PHI 3 days. Do not graze or feed forage to livestock. REI 12 hr. Limit 2 treatments.
  • zeta-cypermethrin (Mustang Maxx). at 0.020 to 0.025 lb ai/A. PHI 21 days. REI 12 hr. Do not exceed 0.15 lb ai/A per season.

These products contain commonly used active ingredients for control of pea aphids in dry edible and seed pea. There are other materials available. Please consult a licensed crop advisor for additional recommendations.