1. Department of Biological Sciences, University of South Carolina, Columbia, South Carolina 29208 (J.T.A.); Rocky Mountain Biological Laboratory, Crested Butte, Colorado 81224 (J.T.A., A.M.P.); Department of Evolution and Ecology, University of California, Davis, California 95616 (A.M.P.); Institute for Genome Sciences and Policy, and Department of Biology, Duke University, Durham, North Carolina 2