Pumpkin and squash-Wireworm

Limonius spp.

Pest description, crop damage and life history


Management-biological, cultural, tactical


Management-chemical control: HOME USE

  • bifenthrin (granular formulation)-Some formulations are prohibited in coastal counties.
  • pyrethrins-Some formulations are OMRI-listed for organic use.
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • bifenthrin (Brigade WSB) at 0.05 to 0.1 lb ai/a in furrow with seed or transplant. Refer to label. REI 12 hr.
  • bifenthrin + IBA (Empower 2) at 0.04 to 0.1 lb ai/a. PHI 3 days. REI 7 days. Do not exceed 0.3 lb ai/a per season. Retreatment interval 7 days.
  • bifenthrin + avermectin (Athena) at 0.058 to 0.12 lb ai/a at plant. REI 12 hr. Do not exceed 0.056 lb ai/a avermectin or 0.3 lb ai/a bifenthrin per season.
  • Chenopodium ambrosioides extract (Requiem 25EC) at 4 to 6 pints formulated product per acre, soil application. REI 4 hr. OMRI-listed for organic use.
  • chloropicrin (Telone)-Preplant.