In order to produce the book's maps maps, graphs of seasonal activity patterns and lists of host plants, I gathered digital records of bumble bee specimens from museums, academic collections and private collectors. We also received some larger, aggregate datasets from individuals who had collected bee data for other purposes. The database included nearly 275,000 records of bumble bee specimens collected around North America from 1805 to the present. I continue to add to the database in order to use it for additional research and conservation projects, and as of October, 2018, have more than 500,000 specimen and observation records for North American bumble bees. This effort has benefited from contributions by more than 100 individuals and/ or institutions, and the data describe bee specimens held in more than 150 collections around the world. Below is a partial list of individuals and institutions that I gratefully acknowledge as direct contributors to this resource and to publications that are based on it. A full list of collections in which the specimens reside is available upon request.
Data contributors: James Strange and Jonathan Koch, USDA-ARS Bee Biology and Systematics Lab; Doug Yanega, University of California, Riverside (NSF-DBI #0956388 and #0956340); John Ascher, American Museum of Natural History; Illinois Natural History Survey; Canadian National Collection; Lawrence Gall, Peabody Museum, Yale University; Rachael Winfree, Rutgers University; Sheila Colla, Wildlife Preservation Canada; Lawrence Packer Lab research collection, York University; Virginia Scott, University of Colorado, Boulder Museum of Natural History; Kent McFarland and Sara Zahendra, Vermont Center for Ecostudies; Zuzu Gadallah, Environment Canada; Sam Droege, USGS Patuxent Wildlife Research Center; Ohio State University; Cory Sheffield, Royal Saskatchewan Museum; Douglas Golick, Nebraska Bumbleboosters; Jennifer C. Thomas, Snow Entomology Museum, University of Kansas; Rob Jean, Saint Mary of the Woods College; Rebecca Irwin, Dartmouth College; Elaine Evans, University of Minnesota; Heather Hines, North Carolina State University (now at Penn State University); Kyle Martins, McGill University; Neal Williams, University of California, Davis; Sherry Surrette, University of Mississippi; Caroline Scully, Antioch University New England; Joel Gardner, University of Minnesota; James Thompson, Rocky Mountain Biological Laboratory; Derek Sikes, University of Alaska Fairbanks; Karen Wetherill, Valles Caldera National Preserve; Jessica Beckham, University of North Texas; Leif Richardson, Dartmouth College; Michael Arduser, Missouri Department of Conservation; Rich Hatfield and Sarina Jepsen, The Xerces Society for Invertebrate Conservation; Paul H. Williams, Natural History Museum; Michael Veit, Lawrence Academy; Joseph Moisan-DeSerres , Université Laval; David Fraser; Robbin Thorp Research Collection; John Klymko, Atlantic Canada Conservation Data Center; Kevin Matteson, Fordham University; Joan Milam, University of Massachusetts; J. Ogden, Nova Scotia Department of Natural Resources; Insectarium René-Martineau, Canadian Forestery Service, Quebec City; Michael Warriner, Texas Parks and Wildlife; University of Guelph; McGill University; Anna Beauchemin; Patricia Hinds; L'Association Le Balbuzard; Michel Savard; Jamie Cromartie, Stockton College; Victoria Macphail; Nacho Bartomeus, Rutgers University; Doug Gill, University of Maryland; Dan Fiscus, Frostburg University; Norwich University; Fred Morrison; Nova Scotia Museum; Gary Antweiler; Royal Ontario Museum; Liz Day; Bernd Heinrich, University of Vermont.