Pest description and crop damage Primarily a pest in western Oregon and Washington. Damage is most critical when establishing a seedling stand.
Management-chemical control
- iron phosphate/spinosad (Bug-N-Sluggo) at 0.01 to 0.0308 lb spinosad ai/A. PHI 3 days. Do not exceed 3 treatments in 21 days. OMRI-listed for organic use.
- metaldehyde bait (Deadline) at max 20 lb product/A. REI 12 hr. PHI 21 days.
See also: