Emerald Ash Borer
EAB in Oregon - Emerald ash borer has not been identified in California, but it recently arrived in Oregon. While it's not a current pest of concern here, knowing about this beetle could be vital to early detection efforts and rapidly enacting management plans. Here are a couple of recent articles;
Science Magazine - July 20th, 2022
Oregon State University - June 30th, 2022
Emerald Ash Borer. Photo and observation by iNaturalist user Michael Butler
Tree damage. Photo and observation by iNaturalist user Ian Shackleford