Read the Wikipedia entry about Colony Collapse Disorder here: http://en.wikipedia.org/wiki/Colony_Collapse_Disorder
The USDA's page on Colony Collapse Disorder: http://www.ars.usda.gov/News/docs.htm?docid=15572
Ohio State University Bee Diseases and Pests: http://www.oardc.ohio-state.edu/agnic/bee/disease.htm
