PORTLAND, Ore. – An invasive insect known to attack conifer trees was discovered on out-of-state Christmas tree products that were shipped to big box stores in Oregon.

State insect: Oregon swallowtail. You might think Oregon’s state insect is the mighty ant, which seems to thrive everywhere. But it is not. It is the Oregon swallowtail and it has been since 1979.

The Oregon Department of Forestry is warning Oregonians about an invasive species of beetle that could emerge this summer.Officials say the invasive emerald ash borers start to resurface in early June ...

The Oregon Department of Agriculture’s grasshopper and Mormon cricket survey for 2024 showed the growing scope of the insect pests across Eastern Oregon. TrendingAgriculture secretary pledges ...

Oregon State University professor emeritus Judy Li’s lifelong love of all the critters that make their homes in our local creeks is contagious. One of Li’s favorites is the under-appreciated ...

One of the most destructive invasive insects in the United States has been detected in three more Oregon counties this summer, which could be bad news for the state’s ash trees.

MALHEUR COUNTY, Ore. (KPTV) - The Oregon Health Authority says mosquitoes carrying West Nile virus have been identified in the state. Officials say three mosquito pools - collections of up to 50 ...