Pest description and crop damage Primarily a western Oregon and Washington problem. Damage is most critical when establishing a seedling stand.
- metaldehyde bait at 0.4 to 1.6 lb ai/a (Deadline, Durham).
- iron phosphate/spinosad (Bug-N-Sluggo) at 0.1 to 0.45 lb ai/a. PHI hay or fodder 3 days; forage 0 days. REI 4 hr. Do not exceed 3 applications in 21 days. OMRI-listed for organic use.