Pepper-Whitefly

Includes

Greenhouse whitefly (Trialeurodes vapariorum)
Silverleaf whitefly (Bemesia argentifolii)
Sweetpotato whitefly (Bemesia tabaci)

Pest description, crop damage and life history

See:

Management-cultural control

Inspect new plants before purchase: infestations often are introduced. Encourage natural enemies such as ladybird beetles, spiders, and parasitic wasps. Avoid use of broad-spectrum insecticides which reduce populations of these.

Management-chemical control: HOME USE

For best results, direct spray toward undersides of leaves. Read label application instructions carefully.

  • acetamiprid
  • azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
  • bifenthrin
  • cyfluthrin
  • deltamethrin
  • esfenvalerate
  • gamma-cyhalothrin
  • kaolin-When applied as a spray to foliage and stems, it acts as a repellent to some insect pests. Some formulations are OMRI-listed for organic use.
  • imidacloprid
  • insecticidal soap-May require several applications. Some formulations are OMRI-listed for organic use.
  • malathion
  • permethrin
  • plant-derived essential oils (rosemary, peppermint, thyme 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

  • acetamiprid (Assail 30SG) at 0.047 to 0.075 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.3 lb ai/a per season. Limit 4 treatments.
  • alpha-cypermethrin (Fastac EC) at 0.02 to 0.025 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.075 lb ai/a per season.
  • beta-cyfluthrin/imidacloprid (Leverage 360) at 0.096 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.12 lb ai/a beta-cyfluthrin or 0.24 lb ai/a imidacloprid per season.
  • bifenthrin/avermectin (Athena) at 0.05 to 0.12 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 10 days. Do not exceed 0.056 lb ai/a avermectin or 0.4 lb ai/a bifenthrin per season.
  • bifenthrin (Brigade 2EC) at 0.033 to 0.1 lb ai/a. PHI 7 days. REI 12 hr. Do not exceed 0.2 lb ai/a per season. Allow at least 7 days between applications.
  • bifenthrin/imidacloprid (Brigadier) at 0.04 to 0.15 lb ai/a. PHI 7 days. REI 12 hr. Do not exceed 0.2 lb ai/a imidacloprid and 0.2 lb ai/a bifenthrin. Retreatment interval 7 days. Do not graze treated areas or cut for feed.
  • bifenthrin/zeta-cypermethrin (Hero) at 0.1 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.266 lb ai/a per season.
  • Chenopodium ambrosioides extract (Requiem 25EC) at 4 to 6 pints formulated product per acre. REI 4 hr. Use high rate when conditions are favorable for heavy pressure. OMRI-listed for organic use.
  • chlorantraniliprole/thiamethoxam (Voliam Flexi) at 0.1 to 0.172 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.172 lb ai of thiamethoxam or 0.2 lb ai of chlorantraniliprole per acre per growing season.
  • cyantraniliprole (Exirel) at 0.088 to 0.133 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 5 days in field; 7 days in greenhouse. Do not exceed 0.4 lb ai/a per year.
  • cyclaniliprole (Harvanta 50SL) at 0.036 to 0.054 lb ai/a. PHI 1 day. REI 4 hr. Retreatment interval 5 days. Do not exceed 0.22 lb ai/a per year.
  • cyfluthrin/imidacloprid (Leverage 2.7) at 0.11 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.17 lb ai/a cyfluthrin or 0.24 lb ai/a imidacloprid per year.
  • dinotefuran (Scorpion 35SL) at 0.05 to 0.18 lb ai/a foliar and 0.23 to 0.27 lb ai/a for soil. PHI 1 day foliar and 21 days soil. REI 12 hr. Do not exceed per season 0.266 lb ai/a foliar or 0.536 lb ai/a for soil.
  • flupyradifurone (Sivanto 200 SL) at 0.14 to 0.18 lb ai/a foliar; 0.27 to 0.37 lb ai/a soil. PHI 1 day foliar; 45 days soil. REI 4 hr. Retreatment interval 7 days. Do not exceed 0.365 lb ai/a per season.
  • imidacloprid (Admire Pro) at 0.25 to 0.5 lb ai/a soil, 0.047 to 0.079 lb ai/a foliar, 0.016 lb ai/10,000 greenhouse plants. Retreatment interval 5 days. PHI 21 days soil; 0 days foliar. REI 12 hr. Do not exceed 0.5 lb ai/a soil per application or 0.24 lb ai/a foliar per season. Do not exceed 0.0156 lb ai/10,000 plants in planthouse.
  • imidacloprid (Provado, Prey) at 0.048 to 0.078 lb ai/a. PHI 0 days. REI 12 hr. Retreatment interval 5 days. Do exceed 0.24 lb ai/a per season.
  • Metarhizium anisopliae (Met52 EC) at 40 to 80 fl oz/100 gal as drench or 8 to 64 fl oz/a foliar. PHI 0. REI 4 hr.
  • novaluron (Rimon) at 0.078 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.23 lb ai/a per season.
  • pyriproxyfen (Knack) at 0.054 to 0.067 lb ai/a. PHI 14 days. REI 12 hr. Do not exceed 0.109 lb ai/a per season. Retreatment interval 14 days.
  • spiromesifen (Oberon) at 0.11 to 0.13 lb ai/a PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.4 lb ai/a per season.
  • spirotetramat (Movento) at 0.06 to 0.08 lb ai/a. PHI 1 day. REI 24 hr. Retreatment interval 7 days. Do not exceed 0.16 lb ai/a per crop season.
  • sulfoxaflor (Closer SC) at 0.066 to 0.07 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Limit 4 treatments. Do not exceed 0.266 lb ai/a per year.
  • thiamethoxam (Actara) at 0.047 to 0.086 lb ai/a. PHI 0 days. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.172 lb ai/a per season.
  • thiamethoxam (Platinum) at 0.078 to 0.172 lb ai/a. PHI 30 days. REI 12 hr. Do not exceed 0.172 lb ai/a per season.
  • thiamethoxam/chlorantraniliprole (Durivo) at 0.195 to 0.257 lb ai/a. PHI 30 days. REI 12 hr. Do not exceed 0.172 lb ai/a of thiamethoxam or 0.2 lb ai/a of chlorantraniliprole per season.