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Corn, sweet-Corn rootworm (adult) Western spotted cucumber beetle (Diabrotica undecimpunctata) Pest description and crop damage The adult of the corn rootworm, also known as the western spotted cucumber beetle, is yellowish green, 0.25 inch long, and has ...

Corn, sweet-Corn rootworm (larvae) Western spotted cucumber beetle (Diabrotica undecimpunctata) Pest description and crop damage The western spotted cucumber beetle is the primary species of corn rootworm in the Pacific Northwest. It is yellowish green, 0 ...

Corn, sweet-Cutworm Includes Black cutworm (Agotis ipsilon) Variegated cutworm (Peridroma saucia) Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest Monitoring Pheromone traps can be used to monitor for cutworms, but ...

Corn, sweet-Garden symphylan Scutigerella immaculata Pest description, crop damage and life history See: Common Pests of Vegetable Crops Biology and Control of the Garden Symphylan Pest Monitoring Infested soil can be treated with insecticides, but the ef ...

Corn, sweet-Grasshopper Several species Pest description, crop damage and life history See: Common Pests of Vegetable Crops Management-chemical control: HOME USE Follow information on the label about the timing and cutoff date for spraying the particular ...

Corn, sweet-Seedcorn maggot Delia platura Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest Monitoring Slow emergence and poor stand establishment are signs of maggot activity. Where slow, spotty emergence is observe ...

Corn, sweet-Slug Includes Arion spp. Black greenhouse slug (Milax gagates) Gray field slug (Derocerus reticulatum) Large spotted garden slug (Limax maximus) Marsh slug (Derocerus laeve) Reticulated slug (Prophysaon andersoni) Pest description, crop damage ...

Corn, sweet-Spider mite Several species Pest description, crop damage and life history See: Common Pests of Vegetable Crops Pest Monitoring Infestations usually begin on lower leaves of plants, then progress upwards. Inspect lowest leaves for stippling an ...

Corn, sweet-Thrips Includes Corn thrips (Frankliniella williamsi) Western flower thrips (Frankliniella occidentalis) Pest description, crop damage and life history See: Common Pests of Vegetable Crops Management-chemical control: HOME USE azadirachtin (ne ...

Corn, sweet-Western bean cutworm Loxagrotis albicosta Pest description, crop damage and life history See: Common Pests of Vegetable Crops Management-chemical control: HOME USE Apply any one of these materials to the soil surface at first sign of cutworm a ...