Acer saccharum
OR
Showing 12 species:
Proteoteras aesculana
Non-gall
Proteoteras moffatiana
Non-gall
Rhytisma acerinum
Non-gall
Synanthedon acerni
Non-gall
Synanthedon acerrubri
Non-gall
Xylotrechus aceris
Non-gall
If none of these results match your gall, you may have found an undescribed species. However, before concluding that your gall is not in the database, try altering your filter choices.