species 1,574 observations
Gall Wasp
Diplolepis mayri
Field notes
Diplolepis mayri is a gall inducing insect (Hymenoptera: Cynipidae) causing galls on wild roses (Rosa sp.) in the Western Palaearctic. Diploleis mayri is less frequent on rose shrubs than D. rosae.
Read more on WikipediaRange
Greener is more native, amber more introduced; paler is less certain. How this was decided