Terry Erwin (from the Ecuadorian Amazon): "I'll be back in the museum on May 5th and will check this. It certainly is not native and looks to be a SE Asia Colpodes... ok, that is off the top of my head ... but my first guess anyhow. Please remind me if I don't get back after the 5th..."

Metacolpodes buchanani, a southeast Asian species, was introduced to Oregon sometime before 1941. It was incorrectly described as an Agonum by Borys Malkin and Melville Hatch (Pan-Pac. Entomol. 23: 107-8, 1952). I have not seen a teneral of this species, but the beetle's habitus, save its red coloration, fits with M. buchanani. A fully sclerotized beetle would be brilliant metallic green, and the elytra would be opaque. That you can see the flight wings through the elytra suggests this specimen was photographed while teneral. Did it darken up afterward?

makes sense; we do have a couple of images of M. buchanani(1), incl. a live one, quite recognizable despite the awkward angle:

i'll ask the guys who might have seen many M. buchanani within its native range, which goes way north --at least along the Pacific; in fact, the beast is not uncommon in the south of the Russian Far East