Galls
A wide range of animal and fungus species can infect plant tissues, and change the way that they develop, creating a rage of weird and wonderful structures in which to live.
Dasineura pustulans
This small growths on the leaves of Meadowsweet point to larvae of this fly developing inside them.
Oak Marble Gall
Oak Marble Gall is a familiar growth from oak leaves caused by larvae of the wasp Andricus kollari.
