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Insects

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Insect Photos

This page is devoted to information for identifying and managing insect pests.

Apr 2018 | Online resource

How can I prevent ticks on my horses?

Q: I have 2 horse on 5 irrigated acres NE Bend, Deschutes county. I have been pulling ticks off them for a few weeks. I dewormed with an Ivermectin which kills any that were attached at the time, but more climb on and ...

A: View answer | View all featured questions

Japanese beetle: A pest to watch for in Oregon

The Japanese beetle is an invasive pest that has established itself in parts of the US. In 2016, a breeding population was found in Oregon, which triggered an eradication effort and a call to report sightings.

Heather Stoven, Rachel Suits | Oct 2017 | Article

Control sneaky root weevils with beneficial nematodes

If you see notches in leaves, chances are your plant is being attacked by pesky beetle

Kym Pokorny | Sep 22, 2017 | News story

Wireworms: A Pest of Monumental Proportions

An overview of identifying, monitoring, and managing wireworms.

Silvia I. Rondon, Amber Vinchesi, Arash Rashed, David Crowder | Jul 2017 | Extension Catalog publication Peer reviewed (Orange level)

Integrated Pest Management for the Wheat Head Armyworm Complex in the Pacific Northwest

The wheat head armyworm complex is comprised of two armyworm species, Dargida diffusa (Walker) and Dargida terrapictalis (Buckett), which caused recent and sporadic damage to cereal crops in the Pacific Northwest. ...

Diana Roberts, Silvia I. Rondon, Peter J. Landolt | Jun 2017 | Extension Catalog publication Peer reviewed (Orange level)

Wet weather invited crane flies to invade lawns

Larvae feed on grass and leave swaths of brown patches that can be repaired

Kym Pokorny | Apr 28, 2017 | News story

Maggots in my compost?

Q: I have maggots in my bucket compost. What shall I do?

A: View answer | View all featured questions

Small Hive Beetle identification card

The small hive beetle is an invasive and damaging pest of honey bee colonies. This card will help people identify the beetle and distinguish it and its larvae from similar-looking beetles and larvae.

Carolyn Breece, Ramesh Sagili | Jul 2016 | Extension Catalog publication Peer reviewed (Orange level)

Winter Cutworm: A New Pest Threat in Oregon

Damage from winter cutworm (the common name for the larval stage of the large yellow underwing moth) is a growing concern. In 2015, large numbers of larvae were observed around homes, within golf courses, and ...

Jessica Green, Amy J. Dreves, Brian McDonald, Ed Peachey | Feb 2016 | Extension Catalog publication Peer reviewed (Orange level)