1. Department of Biological Sciences, Marquette University, PO Box 1881, Milwaukee, WI 53201, USA
2. Department of Biology, Loyola University Chicago, 1032 W. Sheridan Road, Chicago, IL 60660, USA
3. Department of Biology and Center for Biodiversity and Ecosystem Stewardship, Villanova University, 800 Lancaster Avenue, Villanova, PA, USA
4. Department of Evolution, Ecology, and Organismal Biology, University of California, 900 University Avenue, Riverside, CA 92521, USA
5. Milwaukee Public Museum, 800 W. Wells Street, Milwaukee, WI 53233, USA
6. Bell Museum of Natural History, University of Minnesota, Saint Paul, MN 55108, USA