
Community identification
Cabbage Looper (early-stage larva)
Trichoplusia ni
- Order & Family
- Lepidoptera: Noctuidae
- Size
- Newly hatched larvae are 1-2 mm, growing up to 30-40 mm as mature caterpillars.
Natural Habitat
Gardens, commercial farms, and greenhouses worldwide where host plants are present.
Diet & Feeding
Herbivorous; feeds on a wide variety of plants including cabbage, broccoli, kale, lettuce, and tomatoes.
Behavior Patterns
Larvae move with a distinctive 'looping' motion, pulling their back legs toward their front legs. They are primarily nocturnal feeders and undergo five to seven larval stages (instars) before pupating.
Risks & Benefits
Significant agricultural pest that can defoliate crops and ruin garden harvests. While not harmful to humans directly, they are a primary food source for various birds, spiders, and parasitic wasps.