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.