Insect Management Handbook

Greenhouse whitefly (Trialeurodes vapariorum)
Silverleaf whitefly (Bemesia argentifolii)
Sweetpotato whitefly (Bemesia tabaci)

Image related to Vegetable crop pests-Whitefly

Loxagrotis albicosta

Image related to Vegetable crop pests-Western bean cutworm

Includes

Corn thrips (Frankliniella williamsi)

Onion thrips (Thrips tabaci)

Western flower thrips (Frankliniella occidentalis)

Anasa tristis

Image related to Vegetable crop pests-Squash bug

Includes

Pacific spider mite (Tetranychus pacificus)
Strawberry spider mite (Tetranychus turkestani)
Twospotted spider mite (Tetranychus urticae)

Pest description and crop damage Several species of spider mites are common in the Pacific Northwest. Frequently, infestations include a mixture of spider mite species.

Image related to Vegetable crop pests-Spider mite

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)

Image related to Vegetable crop pests-Slug

Delia platura

Image related to Vegetable crop pests-Seedcorn maggot

Lygus spp.

Image related to Vegetable crop pests-Lygus bug

Includes

Alfalfa looper (Autographa californica)
Cabbage looper (Trichoplusia ni)

Image related to Vegetable crop pests-Looper

Includes six-spotted leafhopper (Macrosteles fascifrons)

Pest description and crop damage The six-spotted leafhopper is also known as the aster leafhopper. It is about 0.19 inch in length, narrow, wedge-shaped, with a beak, tiny antennae, and long hind legs fringed with hairs. It is yellow or yellow-green with six black spots arranged in three rows on its head. Eggs are translucent at first but soon turn white.