Clover hay-Grasshopper

Includes several species, especially Melanoplus spp.

Pest description and crop damage Both young and adult grasshoppers damage by feeding on leaves.

Management-chemical control

  • azadirachtin (Neemix 4.5) at 0.015 to 0.021 lb ai/A. REI 4 hr. PHI 0 days. OMRI-listed for organic use.
  • Beauveria bassiana GHA (Mycotrol ESO, BoteGHA ES) at 0.25 to 1 quart in 5 to 100 gal water/Acre. Adjust water volume to ensure good coverage but avoid runoff. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
  • chlorantraniliprole (Coragen, Prevathon) at 0.027 to 0.067 lb ai/A. PHI 0 days. REI 4 hr. Do not exceed 0.2 lb ai or 4 applications per season.
  • malathion ULV (Fyfanon ULV) at 0.61 lb ai/A. PHI 0 days. REI 12 hr. Limit 2 treatments per cutting. Retreatment interval 14 days.
  • malathion (Drexel Malathion 5EC) at 1 to 1.25 lb ai/A. PHI 0 days. Limit 2 treatments per cutting. Retreatment interval 14 days. REI 12 hr.