作者单位: | Department of Biology & Ecology Center, Utah State University, 5305 Old Main Hill, Logan, UT 84322, United States; Rocky Mountain Biological Laboratory, Crested Butte, CO 81224, United States; Department of Life Sciences, Imperial College London, Silwood Park Campus, Buckhurst Rd., Ascot, Berkshire, SL5 7PY, United Kingdom; Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Stop C0930, Austin, TX 78712, United States; Department of Entomology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; USDA-ARS Pollinating Insects Research Unit, Utah State University, Logan, UT 84322-5310, United States; Central Texas Melittological Institute, 7307 Running Rope, Austin, TX 78731, United States; Royal Saskatchewan Museum, 2340 Albert Street, Regina, SK S4P 2V7, Canada; San Diego, CA 92116, United States; Department of Entomology, Texas A&M University, 2475 TAMU, College Station, TX 77845, United States; Department of Biological Science, Florida State University, Tallahassee, FL 32306, United States; Department of Biology, University of Maryland, College Park, MD 20742, United States; Department of Applied Ecology, North Carolina State University, Campus Box 7617, Raleigh, NC 27695, United States
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