Hemlock Wooly Adelgid
by
Caroline Dougherty
—
last modified
Aug 14, 2015 01:42 PM
Contributors:
By Nicholas A. Tonelli from Pennsylvania, USA (Henry's Woods (6)) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
By Nicholas A. Tonelli from Pennsylvania, USA (Henry's Woods (6)) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
