Pacific Northwest Insect Management Handbook

Pea, green and dry-Grasshopper

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Various species

Pest description, crop damage and life history

See

Common Pests of Vegetable Crops

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.
  • bifenthrin (often as a mix with zeta-cypermethrin).
  • carbaryl
  • esfenvalerate
  • plant-derived essential oils (rosemary, peppermint etc.)-Some formulations are OMRI-listed for organic use.
  • pyrethrins-Some formulations are OMRI-listed for organic use.
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • beta-cyfluthrin (Baythroid XL) at 0.019 to 0.025 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 14 days. Do not exceed 0.05 lb ai/a per season.
  • bifenthrin (Capture, Sniper) at 0.025 to 0.1 lb ai/a. PHI 3 days for succulent only. REI 12 hr. Do not exceed 0.2 lb ai/a per season. Do not apply within 25 ft of an aquatic habitat, 150 ft if applied by air.
  • carbaryl (Sevin) at 0.5 to 1.5 lb ai/a. PHI 3 days for succulents, 21 days for dried, 14 days for forage, 21 days for hay. REI 12 hr. Retreatment interval 7 days. Pest not specified on label.
  • cyfluthrin (Baythroid 2, Tombstone) at 0.038 to 0.05 lb ai/a. PHI 7 days. REI 12 hr. Do not exceed 0.1 lb ai/a per season. Do not feed vines or hay. Do not apply within 25 ft of an aquatic habitat, 150 ft if applied by air.
  • esfenvalerate (Asana) at 0.03 to 0.05 lb ai/a. PHI 3 days for green peas, 21 days for dry peas. REI 12 hr. Do not feed treated vines to livestock. Byproduct waste at processing plants may be fed to livestock. Do not exceed 0.2 lb ai/a (dry peas) or 0.1 lb ai/a (green peas) per season. Do not apply within 25 ft of an aquatic habitat, 150 ft if applied by air.
  • gamma-cyhalothrin (Proaxis) at 0.0075 to 0.015 lb ai/a. PHI 7 days edible podded and succulent shelled peas, and 21 days for dry shelled. REI 24 hr. Do not exceed 0.06 lb ai/a per season.
  • lambda-cyhalothrin (Warrior II) at 0.02 to 0.03 lb ai/a. PHI 7 days for succulent peas and 21 days dry peas. REI 24 hr. Do not graze or feed to livestock. Do not exceed 0.12 lb ai/a per season. Do not apply within 25 ft of an aquatic habitat, 150 ft if applied by air.
  • zeta-cypermethrin (Mustang, Mustang Max) at 0.04 to 0.05 lb ai/a (Mustang) or 0.2 to 0.25 lb ai/a (Mustang Max). PHI 1 day for succulent peas, 21 days for dry peas. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.3 lb ai/a (Mustang) or 0.15 lb ai/a (Mustang Max) per season. Do not apply within 25 ft of an aquatic habitat, 150 ft if applied by air.

Kaur, N. (Ed.). 2024 Pacific Northwest Insect Management Handbook.
© Oregon State University.

Use pesticides safely!

  • Wear protective clothing and safety devices as recommended on the label. Bathe or shower after each use.
  • Read the pesticide label—even if you’ve used the pesticide before. Follow closely the instructions on the label (and any other directions you have).
  • Be cautious when you apply pesticides. Know your legal responsibility as a pesticide applicator. You may be liable for injury or damage resulting from pesticide use.

Trade-name products and services are mentioned as illustrations only. This does not mean that the participating Extension Services endorse these products and services or that they intend to discriminate against products and services not mentioned.