"A new study shows it's not just neonicotinoids that impair bees' ability to navigate to nectar and pollen sources, and to their nests: now the herbicide glyphosate has been found to have the same impact even at very low levels. Glyphosate's harmful effects continue to accumulate, this time with evidence pointing to toxic and sublethal effects on bees. ...."
Read more here: The Ecologist