Mallory's picture

What's this leaf black spot caused by?

Observed: 20th June 2013 By: Mallory

What is the cause of this leaf spot on Holly. It looks like insect damage as the leaf appears eaten inside around the black spot, but cannot be sure. Any thoughts please?

Species interactions

No interactions present.

Species with which Holly Leaf Gall Fly (Phytomyza ilicis) interacts


Mallory's picture

Thank you, this must be the

Thank you, this must be the one!