It???s an effort by the U.S. Geological Survey to get a sense of the overall health and status of native bees, some 4,000 species of which are known to inhabit the U.S. After visiting 100 parks and various wild lands (places that can serve as refuge to bees, away from the stressors that appear in cities and on farms), cataloging bees, wasps and other species they interact with, the group has evide