The jumping worm, an invasive species new to Oregon, harms the soil by reducing it to granules, making it more porous and less able to retain water. Here's how to identify jumping worms and help stop their spread.
Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
Japanese beetle is a destructive insect moving its way west across the U.S. — including to sites in Oregon. Take part in early detection to prevent its spread. Learn to identify and scout for Japanese ...
Heather Stoven, Jessica Rendon, Gail Langellotto, Silvia I. Rondon |
Jun 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo courtesy of Oregon Department of Agriculture (Cropped from original)
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.
Sagebrush ecosystems in the northern Great Basin are threatened by encroaching juniper and invasive annual grasses. This guide presents a simplified framework to help land managers assess and monitor these threats at...
Dustin Johnson, Matt Cahill, Chad Boyd, Vanessa Schroeder, Lee Foster, Angela Sitz, Jay Kerby, Tony J. Svejcar, Jackie Cupples |
Sep 2019 |
Extension Catalog publicationPeer reviewed (Orange level)
Invasive nonnative plants are a serious subject for gardeners, farmers, the general public, and land managers. Understanding invasive species and how to control them is becoming increasingly important for gardeners.
Robert Emanuel, Linda R. McMahan, Lynette Black |
Aug 2011 |
Extension Catalog publicationPeer reviewed (Orange level)