Galls caused by the Scotch broom gall mite, Aceria genistae.

Plant galls caused by an infestation of Scotch broom gall mite, <i>Aceria genistae</i>, on Scotch broom, <i>Cytisus scoparius</i>.; Washington Credit: Eric Coombs, Oregon Dept of Agriculture, Bugwood.org<br />Licensed under a <a href="https://creativecommons.org/licenses/by/3.0/us/">Creative Commons Attribution 3.0 License</a>
Credit: Eric Coombs, Oregon Dept of Agriculture, Bugwood.org
Licensed under a Creative Commons Attribution 3.0 License