unknown on Frangula alnus

Frangula alnus, Odoorn © Ben van As

same leaf, underside
gal
Probably an oviposition scar, cased by a sawfly.
host plants
Rhamnaceae
Frangula alnus.
Last modified 1.ix.2020
Frangula alnus, Odoorn © Ben van As
same leaf, underside
Probably an oviposition scar, cased by a sawfly.
Rhamnaceae
Frangula alnus.