Everybody! Just found out this gall existed! Be on the lookout for stem gall Diplolepis ashmeadi on Rosa nutkana! And maybe on other roses too! Only two observations in iNat! One in CA and one in OR!
See photos:
https://www.inaturalist.org/observations/138790374
and @norikonbu 's observation:
https://www.inaturalist.org/observations/140213438
@harsiparker @merav @naturesarchive @nancyasquith @chilipossum @anudibranchmom @megachile
Feel free to "at" people in the comments.
-Andrea