1. Insect
  2. Vegetable Crops
  3. Vegetable Crops
  4. Hosts and Pests of Vegetable Crops

Corn, sweet-Wireworm

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Pacific coast wireworm
Limonius canus LeConte
Immature
© Ken Gray Insect Image Collection
Image related to Corn, sweet-Wireworm
Pacific coast wireworm
Limonius canus LeConte
Adult
© Ken Gray Insect Image Collection

Ctenicera spp. and Limonius spp.

Pest description, crop damage and life history

See:

Common Pests of Vegetable Crops

Management-biological, cultural, tactical

See:

Potato, Irish-Wireworm

Management-chemical control: HOME USE

  • azadirachtin (as a mix with pyrethrins)-Some formulations are OMRI-listed for organic use.
  • bifenthrin (often as a mix with zeta-cypermethrin)
  • cyfluthrin
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • Bacillus amyloliquefaciens (Ethos XB) at 0.08 to 0.2 lb ai/A applied with liquid fertilizer at plant. REI 12 hr.
  • beta-cyfluthrin (Baythroid XL) at 0.016 to 0.022 lb ai/A soil application. PHI 0 days. REI 12 hr. Do not exceed 0.22 lb ai/A per season.
  • bifenthrin (Capture LFR) at 0.04 to 0.16 lb ai/A at planting; 0.047 to 0.062 lb ai/A pre-plant incorporated. REI 12 hr. Do not exceed 0.2 lb ai/A per season. Toxic to bees and fish. Do not apply if rainfall is imminent. See label for other restrictions.
  • bifenthrin/IBA (Empower 2) at 0.002 to 0.006 lb ai/1,000 row ft. PHI 30 days. REI 24 hr. Do not exceed 0.1 lb ai/A at plant application. Product not registered for use in OR.
  • chlorethoxyfos/bifenthrin (Smart Choice 5G) at 3 to 3.5 oz /1,000 row ft or at 0.125 to 0.245 lb ai/A. REI 48 hr, or 72 hr if annual rainfall is less than 25 inches.
  • chloropicrin (Telone II)-Preplant incorporation.
  • clothianidin (Poncho 600) at 0.25 to 0.5 mg ai/kernel seed treatment. Not for use in hopper-box, slurry-box or similar types. Use in liquid or slurry treaters.
  • cyfluthrin (Tombstone) at 0.031 to 0.44 lb ai/A soil treatment. PHI 0 days. REI 12 hr.
  • ethoprop (Mocap 15G) at 0.063 to 0.125 lb ai/A at plant. REI 48 hr, or 72 hr if annual rainfall is less than 25 inches. Apply as a band on row or closed seed furrow. Do not apply within 140 ft of aquatic habitat.
  • gamma-cyhalothrin (Declare) at 0.0004 lb ai/1,000 row ft. REI 24 hr. Do not exceed 0.024 lb ai/A.
  • imidacloprid (Gaucho 480F) at 0.125 to 0.25 oz ai/100 lb of seed as a slurry treatment.
  • Isaria fumosorosea (PFR-97 20% WDG) at 1 to 2 lb/Acre of product as soil treatment. REI 4 hr. Retreatment interval 3 to 10 days. Most effective when application is initiated just before or at the first signs that target pests are present. OMRI-listed for organic use.
  • lambda-cyhalothrin (Warrior II) at 0.005 lb ai/1,000 ft of row soil treatment. REI 24 hr. Do not harvest for feed or graze livestock for 21 days. Do not exceed 0.48 lb ai/A per season.
  • permethrin + carboxin (Kernel Guard Supreme) at 1.5 oz of formulated product per 42 lb seed (2 oz/56 lb seed). REI 12 hr. Planter box treatment. Product not registered for use in WA.
  • phorate (Thimet 20G) at 0.9 to 1.2 oz ai/1,000 row ft. REI 48 hr. Apply at planting time or cultivation. Do not exceed 1.3 lb ai/A per year. Limit 1 treatment.
  • tefluthrin (Force 3G) at 0.12 to 0.15 oz ai/1,000 row ft (0.12 to 0.15 oz ai/1,000 row ft). REI 48 hr. In furrow is most effective when treating wireworm. With higher pressure use full 0.15 oz ai/1,000 ft rate. Use either at planting or lay-by. One application only per year.
  • thiamethoxam (Cruiser 5FS) at 0.125 to 0.80 mg per kernel (formulated product) planter box treatment, seed treatment.