Common Insects Found in Central Oregon

A collection of some of the common insects found in central Oregon.

Leaf Chewers

Cabbage Looper

Hosts: cabbage, cauliflower, broccoli, kale, other cole crops

Jul 2018 | Online resource

Earwigs

Hosts: soft fruits, seedlings, aphids, mites, zinnia, marigolds, dahlias

Jul 2018 | Online resource

Elm Leaf Beetle

Hosts: Siberian, Rock, English and American Elms. Siberian Elm is found in Central Oregon.

Jul 2018 | Online resource

Fall Webworm

Hosts: Several deciduous trees and shrubs

Jul 2018 | Online resource

Flea Beetle

Hosts: cabbage, broccoli, Brussels sprouts, eggplant, radish, potato, corn, tomato, beans

Jul 2018 | Online resource

Imported Cabbage Worm

Hosts: broccoli, cauliflower, cabbage, Brussels sprouts, kohlrabi, mustard greens, others

Jul 2018 | Online resource

Leafcutter bee

Hosts: rose, lilac, serviceberry, and others

Jul 2018 | Article

Leafroller

Hosts: apple, crabapples, plums, several, deciduous trees and shrubs

Jul 2018 | Online resource

Pear Sawfly

Hosts: cherry, plum, hawthorn, pear, chokeberry, cotoneaster

Jul 2018 | Online resource

Root Weevils

Information on and management of root weevils.

Jul 2018 | Online resource

Tomato Hornworm

Information on and management of the tomato hornworm.

Jul 2018 | Online resource

Leafminers

Management - How to control this insect Leaf miner control (the use of insecticides) is usually not necessary on aspen or poplars. The damage is aesthetic damage and generally does not cause branch dieback or tree failure. Healthy plants can recover from heavy defoliation. Research shows that plants under environmental stress are more susceptible to leaf miner so keep plants in good health.

Jun 2018 | Online resource

Spinach Leafminer

Information on and management of the spinach leafminer.

Jul 2018 | Online resource

Flower, Fruit and Seed Feeders

Codling Moth

Information on and management of the pear-codling moth.

Jul 2018 | Online resource

Earwigs

Hosts: soft fruits, seedlings, aphids, mites, zinnia, marigolds, dahlias

Jul 2018 | Online resource

Sap Suckers

Aphids

An online resource regarding pest management with Aphids. This resource describes the damage aphids can do to plants and how to prevent this from happening.

May 2018 | Online resource

Turfgrass-Leafhopper

Information on and management of the turfgrass-leafhopper.

Jul 2018 | Online resource

Oystershell scale

Hosts: aspen, ash, cotoneaster, dogwood, maple, willow, lilac

Jul 2018 | Online resource

Pine Needle Scale

Hosts: pines and spruce

Jul 2018 | Online resource

Spider Mites

Hosts: spruce, arborvitae, several perennials

Jul 2018 | Online resource

Trunk and Branch Borers

Bronze Birch Borer

Information on the bronze birch borer from the Pacific Northwest Pest Management Handbook.

Jul 2018 | Online resource

Mountain Pine Beetle

Hosts: Ponderosa, Lodgepole, Limber, Scotch Pine

Jul 2018 | Online resource

Sequoia Pitch Moth

Hosts: all pine trees

Jul 2018 | Online resource

Gall Makers

Poplar Twiggall Fly

Hosts: aspen and poplar

Jul 2018 | Online resource

Root, Tuber and Bulb Feeders

Onion Maggot

Hosts: onion

Jul 2018 | Online resource

Root Weevils

Information on and management of root weevils.

Jul 2018 | Online resource

July 2018

Want to learn more about this topic? Explore more resources from OSU Extension: Insects

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