1. Department of Ecology and Evolutionary Biology University of Kansas Lawrence KS 66045 USA
2. Department of Biology University of Virginia Charlottesville VA 22903 USA
3. Advanced Biological Marketing 375 Bonnewitz Ave., PO Box 222 Van Wert OH 45891 USA
4. Department of Plant Biology, and Program in Ecology, Evolutionary Biology and Behavior Michigan State University East Lansing MI 48824 USA