Pest description, crop damage and life history
See "Armyworm" and "Cutworm" in:
Common Pests of Vegetable Crops
Management-chemical control: HOME USE
- Bacillus thuringiensis var. kurstaki (Btk)-Some formulations are OMRI-listed for organic use.
- bifenthrin-Not registered for home use on celery in WA.
- carbaryl
- cyfluthrin
- permethrin
- plant derived essential oils (rosemary, peppermint, etc.)-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 0.014 to 0.025 lb ai/A. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.075 lb ai/A per season.
- Bacillus thuringiensis (Javelin WG) 0.12 to 1.5 lb/A. PHI 0 days. REI 4 hr (see label). Slow acting. 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.
- Beauveria bassiana (Mycotrol ESO) at 0.25 to 1 quart/A. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- beta-cyfluthrin (Baythroid XL) at 0.007 to 0.025 lb ai/A. PHI 0 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.1 lb ai/A per season.
- bifenthrin (Brigade WSB, Sniper) at 0.033 to 0.1 lb ai/A. PHI 7 days. REI 12 hr. Do not exceed 0.5 lb ai/A per season. Retreatment interval 7 days.
- Burkholderia spp. (Venerate XC) at 1 to 4 quarts/A product. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- Chromobacterium subtsugae (Grandevo) at 0.3 to 0.9 lb ai/A per 100 gal. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- cyfluthrin (Tombstone) at 0.013 to 0.05 lb ai/A. PHI 0 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.2 lb ai/A or four applications per season.
- GS-omega/kappa-Hxtx-Hv1a (Spear Lep) at 0.02 to 0.04 lb ai/A (1 to 2 pints/A). PHI 0 days. REI 4 hr. Do not exceed 1.7 lb ai/A per year.
- methomyl (Lannate SP) at 0.23 to 0.9 lb ai/A. PHI 7 days. REI 48 hr. Limit 8 treatments per year. Do not exceed 6.3 lb ai/A per year.
- methoxyfenozide (Intrepid 2F) at 0.06 to 0.12 lb ai/A for early-season application and 0.12 to 0.16 lb ai/A for mid- to late-season application or heavy infestation. REI 4 hr. PHI 1 day. Adding a spreader-sticker improves performance. Do not exceed 1 lb ai/A per season.
- permethrin (Permethrin) at 0.1 to 0.2 lb ai/A. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not graze or feed treated plants. Do not exceed 1 lb ai/A per year.
- permethrin (Loveland Permethrin Cutworm Bait) at 0.1 to 0.2 lb ai/A. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 1 lb ai/A per season.
- spinetoram (Radiant SC) at 0.039 to 0.078 lb ai/A. PHI 1 day. REI 4 hr. Retreatment interval 4 days. Do not exceed six applications or 0.266 lb ai/A per season. Do not apply to seedling leafy vegetables grown for transplant within a greenhouse, shade house, or field plot.
- spinosad (Success, Entrust SC) at 0.023 to 0.125 lb ai/A. PHI 1 day. REI 4 hr. Do not exceed three times in any 30-day period. Do not exceed 0.45 lb ai/A or six applications per crop. Entrust SC is OMRI-listed for organic use.
- zeta-cypermethrin (Mustang) at 0.028 to 0.05 lb ai/A. PHI 1 day. REI 12 hr. Do not exceed 0.3 lb ai/A per season. Retreatment interval 7 days.