1. Department of Biology, University of Portland, 5000 N. Willamette Boulevard, Portland, OR 97203, USA
2. Department of Zoology, Oregon State University, 2002 Cordley Hall,Corvallis, OR 97331, USA
3. Department of Integrative Biology, University of California, Berkeley,3060 Valley Life Sciences Building # 3140, Berkeley, CA 94720, USA
4. Biology Department, George Fox University, 414 N. Meridian Street,Newberg, OR 97132, USA
5. Department of Biology, University of North Carolina, Chapel Hill, NC 27599 USA
6. Concord Field Station, Department of Organismic and Evolutionary Biology,Harvard University, Old Causeway Road, Bedford, MA 01730, USA