Identification
Permissions for Use

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License.
Date Taken
Ann Arbor, Michigan
A gall on an oak tree, formed as the result of a female wasp laying her egg.
Tanya Dewey (photographer, copyright holder, identification), Animal Diversity Web, University of Michigan Museum of Zoology

