Lepidoptera - bearing a long coiled proboscis.
Galls found on Salix sp. First photo is upper side of leaf; second photo is under side of same leaf. See here for more photos of the Salix sp. in question:
https://www.inaturalist.org/observations/18442474
At Chautauqua Pond.
Photographed during the Vashon Nature Center's 2018 Tramp Harbor BioBlitz.
Best on old Christmas wreath. Chick flew off of nest shortly after photo. Observed from nest building through feldging