Native wild bees are being exposed to neonicotinoid insecticides and other pesticides
The first-ever study of pesticide residues on field-caught bees in the USA, finds native wild bees are being exposed to neonicotinoid insecticides and other pesticides. The research, conducted by the U.S. Geological Survey and published in the journal Science of the Total Environment, focused on native bees, because there is limited information on their exposure to pesticides. It did not look at pesticide exposure to honey bees. The researchers say little is known about how toxic these pesticides are to native bee species at the levels detected in the environment. “We found that the presence and proximity of nearby agricultural fields was an important factor resulting in the exposure of native bees to pesticides,” said USGS scientist Michelle Hladik, the report’s lead author. “Pesticides were detected in the bees caught in grasslands with no known direct pesticide applications.”