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.
Eastern Oregon’s rangelands are diverse due to different soils, topography and climate. Ranchers and land managers who view the landscape as a collection of ecological sites can better predict how vegetation and other resources ...
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)
Many of the invasive plant species introduced to the United States originated as garden plants. Learn what you need to know to prevent future invasions.
Linda R. McMahan, Joy Jones, Robert Emanuel |
Jul 2011 |
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.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.