Scientists have identified a new threat to bees: the deformed wing virus.
A new study revealed that commonly used insecticides could affect the reproductive abilities of queen bees and promote poor brood health in bee colonies.
Beekeepers across the United States reported an increase in the summer loss and winter loss rates of their bee colonies, totalling to 44.1 percent of annual losses from April 2015 to April 2016.
On Thursday, a federal appeals court overturned the EPA's decision to approve marketing of sulfoxaflor, a pesticide that acts like the same neonicotinoids class associated with bee declines. The blocking of this approval has now put the EPA under careful scrutiny by environmental watchdog groups around the US, with the agency's commitment to pollinator protection being called into question.
All of the bees that died in Portland, Ore. were near linden trees, a type of tree often sprayed to control aphids and the insects' sticky residue.
Honeybee deaths are on the rise and researchers believe the 40-50 percent decline in population is due to pesticides. Honeybees have been dying in masses for several years, but this year the deaths have spiked even more, according to commercial beekeepers.