1. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, Canada V5A 1S6
2. Pollinator Partnership, 600 Montgomery Street, Suite 440, San Francisco, CA 94111, USA
3. Xerces Society for Invertebrate Conservation, 628 NE Broadway, Ste. 200, Portland, OR 97232, USA
4. Marine and Environmental Biology section at the Department of Biological Sciences, University of Southern California, Allan Hancock Foundation Building, Los Angeles, CA 90089-0371, USA