Gregory T. Nelson, University of Wisconsin - Eau Claire, collecting field samples of ant visitors on oval-leaved milkweed (Asclepias ovalifolia) to investigate effects of ant visitation on milkweed reproductive success. This was part of his independent project during his internship at Cedar Creek LTER in 2011.
Gregory Nelson collecting field samples
Post date:
Apr 1, 2013
Photo courtesy of:
Peter Wragg