source material
The following reference materials, including online websites and hard copy texts, were instrumental in developing the content for the Wild Bee ID app.
Online resources:
Bee Observer Cards (online PDF), Jessica Rykken, PhD, Farrell Lab, Harvard University
Lady Bird Johnson Wildflower Center
Smithsonian Institution National Museum of Natural History Botany Collections
Hardcopy texts:
Krombein, Karl V. and Paul D. Hurd, Jr. Catalog of Hymenoptera in America North of Mexico. Smithsonian Institution Press. 1979.
Michener, Charles D. The Bees of the World. Johns Hopkins University Press. 2000.
O’toole, Christopher and Anthony Raw. Bees of the World. Blandford Press. 1999.
Xerces Society. Attracting Native Pollinators. Storey Publishing. 2011.