Pest on crop
Cabbage Looper on brussels sprouts
Trichoplusia ni
Pale green caterpillars that arch their backs (loop) when crawling. Defoliate brassicas and lettuce, contaminate harvested heads. Adults are mottled gray-brown moths.
- Pest
- Cabbage Looper
- Scientific name
- Trichoplusia ni
- Crop
- Brussels Sprouts
- Total hosts
- 8
Cabbage Looper on brussels sprouts
Detailed guidance for this section is being prepared. Check back soon.
Signs on brussels sprouts
- ▸ Ragged irregular holes in leaves
- ▸ Looping motion when caterpillars crawl
- ▸ Frass deposits in lettuce or cabbage heads
- ▸ Pale green caterpillars with white side stripes
IPM controls
- ✓ Bt spray on small larvae (most effective when caterpillars are under 1/2 inch)
- ✓ Floating row cover during peak adult flight
- ✓ Pheromone traps for monitoring adult populations
- ✓ Hand-pick larger larvae
Other crops affected by cabbage looper
Related