1. Division of Biology, Kansas State University, 116 Ackert Hall, Manhattan, KS 66506, USA.
2. Ecology, Evolution and Behavior, University of Minnesota St. Paul, 205 Cargill Building, St. Paul, MN 55108, USA.
3. División Académica de Ciencias Biológicas, Universidad Juárez Autónoma de Tabasco (UJAT), C.P. 86150, Villahermosa, Tabasco, México.
4. Department of Biological Sciences, Washington State University, 431 Heald Hall, Pullman, WA 99164, USA.