Insect Management Handbook

Daktulosphaira vitifoliae

Gill's mealybug (Ferrisia gilli)
Grape mealybug (Pseudococcus maritimus)
Vine mealybug (Planococcus ficus)

Pest description and crop damage Grape mealybugs are found in all three PNW states and can be problematic. Mealybugs may infest grape clusters resulting in direct crop losses due to unsalable fruit. In addition to grape mealybug, Vine and Gill's mealybug are also found in Oregon.

Colomerus vitis

Image related to Grape-Grape erineum mite

Calepitrimerus vitis

Image related to Grape-Grape rust mite

Includes grape bud mite (Colomerus vitis)

Parthenolecanium corni

Pest description and crop damage This scale assumes many sizes, shapes, and colors. The typical form is almost hemispherical, shiny brown, smooth, and approximately 0.12 to 0.19 inch long. Eggs are oval and pearly white. The young vary from yellow to pale brown.

Image related to Grape-European fruit lecanium scale

Includes

Climbing cutworm (Abagrotis orbis and Agrotis vetusta)
Redbacked cutworm (Euxoa ochragaster)
Spotted cutworm (Xestia c-nigrum)
Variegated cutworm (Peridroma saucia)
Winter cutworm (Noctua pronuba)

Image related to Grape-Cutworm

Pulvinaria vitis

Image related to Grape-Cottony maple scale

Halyomorpha halys

Includes

Branch and twig borer (Melalgus confertus)
Grape twig borer (Psoa quadrisignata)
Polycaon borer (Polycaon spp.)