Pesticides not sole culprit in honey bee colony declines

The world's most common insecticide does not significantly harm honey bee colonies at real-world dosage levels, a new multiyear, field-based study shows. "Imidacloprid is the most widely used insecticide in the world. It's not restricted because it is very safe--an order of magnitude safer than organophosphates," an author said, drawing a comparison with a class of chemicals known to be highly toxic to nearly all living things. Read More