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

Radish-Looper

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Alfalfa looper
Autographa californica Speyer
Adult
© Ken Gray Insect Image Collection
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Cabbage looper
Trichoplusia ni Hubner
Showing damage
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Cabbage looper
Trichoplusia ni Hubner
Adult
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Alfalfa looper
Autographa californica Speyer
Showing damage on leaves
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Alfalfa looper
Autographa californica Speyer
Egg(s) on host
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Alfalfa looper
Autographa californica Speyer
Parasitized immature
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Cabbage looper
Trichoplusia ni Hubner
Egg(s) on host
© Ken Gray Insect Image Collection
Image related to Radish-Looper
Cabbage looper
Trichoplusia ni Hubner
Immature
© Ken Gray Insect Image Collection

Includes

Alfalfa looper (Autographa californica)
Cabbage looper (Trichoplusia ni)

Pest description, crop damage and life history

See:

Common Pests of Vegetable Crops

Management-chemical control: HOME USE

  • azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
  • Bacillus thuringiensis var. kurstaki (Btk)-Some formulations are OMRI-listed for organic use.
  • bifenthrin (often as a mix with zeta-cypermethrin).
  • carbaryl
  • cyfluthrin
  • deltamethrin
  • esfenvalerate
  • kaolin-Applied as a spray to foliage, it acts as a repellent to some insect pests. Some formulations are OMRI-listed for organic use.
  • pyrethrins-Some formulations are OMRI-listed for organic use.
  • spinosad-Some formulations are OMRI-listed for organic use.
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • alpha-cypermethrin (Fastac EC) at 0.012 to 0.025 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 4 days. Do not exceed 0.075 lb ai/a per season.
  • Bacillus thuringiensis (Javelin) at 0.12 to 1.5 lb/a. PHI 0 days. REI 4 or 12 hr (see label). Acts slowly; may need multiple applications. Add an appropriate spreader-sticker to enhance control. Most effective on small larvae. Some formulations are OMRI-listed for organic use.
  • beta-cyfluthrin/imidacloprid (Leverage 360) at 0.056 to 0.066 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.022 lb ai/a beta-cyfluthrin or 0.044 lb ai/a imidacloprid per season.
  • bifenthrin (Brigade WSB) at 0.08 to 0.1 lb ai/a. PHI 21 days. REI 12 hr. Do not exceed 0.5 lb ai/a per season. Retreatment interval 7 days.
  • bifenthrin/zeta-cypermethrin (Hero EW) at 0.1 lb ai/a. PHI 21 days. REI 12 hr. Retreatment interval 21 days. Do not exceed 0.44 lb ai/a per season. Oriental radish (Daikon) only.
  • deltamethrin (Delta Gold) at 0.012 to 0.028 lb ai/a. PHI 3 days. REI 12 hr. Retreatment interval 3 days. Do not exceed 0.14 lb ai/a per season.
  • methoxyfenozide (Intrepid 2F) at 0.12 to 0.16 lb ai/a. PHI 1 day. REI 4 hr. Retreatment interval 14 days. Do not exceed 0.5 lb ai/a per season.
  • spinetoram (Radiant SC) at 0.047 to 0.0625 lb ai/a. PHI 3 days. Retreatment interval 7 days. Do not exceed 0.25 lb ai/a per season. Limit 4 treatments.
  • spinosad (Success, Entrust SC) at 0.047 to 0.094 lb ai/a. PHI 3 days. REI 4 hr. Retreatment interval 7 days. Do not exceed 0.33 lb ai/a per season. Limit 4 treatments. Entrust SC is OMRI-listed for organic use.
  • zeta-cypermethrin (Mustang) at 0.05 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.3 lb ai/a per year.