Corn, sweet-Grasshopper

Several species

Pest description, crop damage and life history

See:

Management-chemical control: HOME USE

Follow information on the label about the timing and cutoff date for spraying the particular vegetable you are treating. Spray damaged plants and any grass or weeds surrounding the vegetable garden when young hoppers or winged adults are seen.

  • azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
  • Beauvaria bassiana-OMRI-listed for organic use.
  • bifenthrin
  • carbaryl
  • cyfluthrin
  • cyhalothrin
  • deltamethrin
  • esfenvalerate
  • gamma-cyhalothrin
  • insecticidal soap-Some formulations OMRI-listed for organic use.
  • lambda-cyhalothrin
  • malathion
  • permethrin
  • plant derived essential oils (rosemary, peppermint, etc.)-Some formulations are OMRI-listed for organic use.
  • pyrethrins
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • azadirachtin-See label for application rates. Some formulations are OMRI-listed for organic use.
  • alpha-cypermethrin (Fastac EC) at 0.018 to 0.025 lb ai/a. PHI 3 days. REI 12 hr. Retreatment interval 3 days. Do not exceed 0.075 lb ai/a per season.
  • beta-cyfluthrin (Baythroid XL) at 0.016 to 0.022 lb ai/a. PHI 0 days. REI 12 hr. Retreatment interval 2 days. Do not exceed 0.22 lb ai/a per year.
  • carbaryl (Sevin 5 Bait) at 2 lb ai/a. PHI 2 days ears, 14 days forage, or 48 days fodder. REI 24 hr. Retreatment interval 3 days. Do not exceed 8 treatments. Do not exceed 16 lb ai/a per season.
  • chlorantraniliprole (Coragen) at 0.026 to 0.065 lb ai/a. PHI 1 day. REI 4 hr. Limit 4 treatments per crop. Retreatment interval 1 day. Do not exceed 0.2 lb ai/a per season.
  • chlorantraniliprole/lambda-cyhalothrin (Besiege) at 0.06 to 0.1 lb ai/a. PHI 1 day. REI 24 hr. Retreatment interval 1 day. Do not exceed 0.48 lb ai of lambda-cyhalothrin or 0.2 lb ai of chlorantraniliprole per acre per growing season.
  • chlorpyrifos (Lorsban 4E) at 0.25 to 0.5 lb ai/a. PHI 21 days. REI 24 hr. Limit 3 treatments of any chlorpyrifos product. Retreatment interval 10 days. Do not exceed 3 lb ai/a per season. Consult label for application details. Toxic to fish.
  • cyfluthrin (Tombstone) at 0.031 to 0.044 lb ai/a. PHI 0 days. REI 12 hr. Retreatment interval 2 days. Do not exceed 0.44 lb ai/a per season.
  • deltamethrin (Delta Gold) at 0.012 to 0.018 lb ai/a. PHI 1 day. REI 12 hr. Do not exceed 0.45 lb ai/a per year.
  • esfenvalerate (Asana XL) at 0.03 to 0.05 lb ai/a. PHI 1 day. REI 12 hr. Do not exceed 0.5 lb ai/a per year. Toxic to fish.
  • gamma-cyhalothrin (Declare) at 0.01 to 0.015 lb/a. PHI 1 day. REI 24 hr. Do not graze. Do not exceed 0.24 lb ai/a per season.
  • lambda-cyhalothrin (Warrior II) at 0.02 to 0.03 lb ai/a. PHI 1 day. REI 24 hr. Do not exceed 0.48 lb ai/a per year. Do not harvest for feed or graze livestock for 21 days. Retreatment interval 4 days.
  • lambda-cyhalothrin+tebuconazole (Crossover) at 0.14 to 0.16 lb ai/a. PHI 21 days for ears & forage; 49 days for fodder. Do not exceed 0.48 lb ai/a tebuconazole or 0.12 lb ai/a lambda-cyhalothrin.
  • malathion (Malathion) at 1.0 lb ai/a. PHI 5 days. REI 12 hr. Retreatment interval 5 days. Limit 2 treatments per year.
  • novaluron (Rimon EC) at 0.039 to 0.083 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.39 lb ai/a per season.
  • permethrin (Ambush 25WP, Pounce 25WP) at 0.1 to 0.2 lb ai/a. PHI 1 day. REI 12 hr. Do not exceed 1.2 lb/a Ambush or 0.8 lb ai/a Pounce per season.
  • zeta-cypermethrin (Mustang) at 0.034 to 0.05 lb ai/a. PHI 7 days for grain, stover & forage. REI 12 hr. Do not exceed 0.2 lb ai/a per season.