Some formulations are OMRI-listed for organic use. spinosad (Success ) at 0.047 to 0.094 lb ai/A.Follow resistance management procedures on the label. Do not exceed five applications or 0.234 lb ai/A per season. spinetoram (Radiant SC ) at 0.039 to 0.078 lb ai/A.permethrin (Ambush 25WP, Pounce 25WP ) at 0.15 to 0.3 lb ai/A for armyworm and 0.1 to 0.3 lb ai/A for cutworm.methoxyfenozide (Intrepid 2F ) at 0.06 to 0.12 lb ai/A for early season 0.12 to 0.19 lb ai/A for mid- to late-season applications.Do not exceed, per season, 5.4 lb ai/A on green onion and 3.6 lb ai/A on dry bulb onion. methomyl (Lannate SP ) at 0.45 to 0.9 lb ai/A.An oil or surfactant adjuvant improves control. lambda-cyhalothrin (Warrior II ) at 0.015 to 0.025 lb ai/A for cutworm or 0.02 to 0.03 lb ai/A for armyworm.GS-omega/kappa-Hxtx-Hv1a (Spear Lep ) at 0.8 lb ai/A.An oil or nonionic surfactant improves control. gamma-cyhalothrin (Declare ) at 0.0075 to 0.0125 lb ai/A for cutworms and 0.01 to 0.015 lb ai/A for armyworms.deltamethrin (Delta Gold ) at 0.012 to 0.018 lb ai/A.Do not graze or feed crop residues to livestock. cypermethrin (Holster ) at 0.04 to 0.1 lb ai/A.chlorantraniliprole (Coragen ) at 0.045 to 0.065 lb ai/A.Use a spreader-sticker to enhance control. Bacillus thuringiensis (Javelin ) at 0.12 to 1.5 lb/A.Management-chemical control: COMMERCIAL USE spinosad-Some formulations are OMRI-listed for organic use.pyrethrins-Some formulations are OMRI-listed for organic use.)-These have some efficacy against lepidopteran larvae. plant-derived essential oils (rosemary, peppermint etc.kaolin-When applied as a spray to foliage and stems it acts as a repellent to some insect pests.Beauveria bassiana-Some formulations are OMRI-listed for organic use.azadirachtin (neem oil )-Some formulations are OMRI-listed for organic use.Where cutworms are on the soil surface, a carbaryl drench, when bees are not present, may help.
Minimum preharvest interval (PHI ) varies with crop. Scratch the soil at the base of plants to find larvae in the daytime.Īpply any one of these materials to the soil surface at first sign of cutworm activity. Home gardeners: Control weeds, grasses, and debris in the vegetable garden that provide cover hand-pick cutworm larvae, using a flashlight to find them, if practical. Fall tillage can help destroy overwintering pupae. Lambsquarters and wild mustard attract egg-laying females and provide a source of food for larvae. Pest description, crop damage and life history Western yellowstriped armyworm (Spodoptera praefica )
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