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Collard and kale-Armyworm, cutworm, and looper Includes Beet armyworm (Spodoptera exigua) Bertha armyworm (Mamestra configurata) Western yellowstriped armyworm (Spodoptera praefica) Black cutworm (Agotis ipsilon) Variegated cutworm (Peridroma saucia) Alfa ...

Collard and kale-Cabbage maggot Delia brassicae Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest monitoring Once the crop emerges, watch for wilting, lighter green plants, or reduced growth that may indicate a maggo ...

Collard and kale-Diamondback moth Plutella xylostella Pest description and crop damage Diamondback larvae are smaller than most other caterpillars in cole crops, about 0.31 inch when full grown. The larval body is wider in the middle and tapers at both en ...

Collard and kale-Flea beetle Includes cabbage flea beetle (Phyllotreta cruciferae) Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest monitoring Monitor fields for flea beetles soon after transplanting or as seedlings ...

Collard and kale-Imported cabbageworm Pieris rapae Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest monitoring The following information is from California but is generally applicable in the Pacific Northwest: Cabba ...

Collard and kale-Leafminer Includes Cabbage leafminer (Liriomyza brassicae) Pea leafminer (Liriomyza huidobrensis) Pest description and crop damage Adults are small black to gray flies with yellow markings. The body is covered with long, stiff bristles. L ...

Collard and kale-Wireworm Limonius spp. Pest description, crop damage and life history See: Common Pests of Vegetable Crops Management-biological, cultural, tactical See: Potato, Irish-Wireworm Management-chemical control: HOME USE azadirachtin (as a mix ...

Corn, sweet-Aphid Includes Bean aphid (Aphis fabae) Green peach aphid (Myzus persicae) Potato aphid (Macrosyphum euphorbiae) Pest description and crop damage The green peach aphid is slender, dark green to yellow, and has no waxy bloom. Green peach aphid ...

Corn, sweet-Armyworm Includes Beet armyworm (Spodoptera exigua) Bertha armyworm (Mamestra configurata) Western yellowstriped armyworm (Spodoptera praefica) Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest Monitoring ...

Corn, sweet-Corn earworm Helicoverpa zea Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest Monitoring Moths can be sampled with pheromones placed in inverted cone-type traps. A first application of insecticide is mad ...