Those look like nests of a species of mud dauber wasps. There is more than one species in Oregon. They are solitary wasps that do not defend the nest and rarely sting. The super good news is their ...

Most of the eight species are yellow and black ... in 1981 and eventually made its way to Oregon, where it's displacing the native paper wasp. Paper wasps are strictly predators on insects ...

In her 17 years working as an extension entomologist in Eastern Oregon, Silvia Rondon has never received more reports, emails, phone calls and texts with questions asking what type of wasp they ...

(KOIN) – A research team led by an Oregon State University scientist ... long and say there are thousands of species of these parasitic insects. According to Poinar, this micro-wasp was 1.3 ...

Each queen can lay 2,000 eggs. Complaining about wasps is a summertime tradition in Oregon, said Jack DeAngelis, the owner of consulting firm Living with Bugs and former Oregon State University ...