Certain pesticides cause permanent brain damage in baby bumblebees and may threaten the future success of colonies, researchers from Imperial College London have found.

The study scanned the brains of bees exposed to imidacloprid, one of the neonicotinoid group of pesticides.

They found the key region of the brain that facilitates learning showed reduced growth and residues of the insecticide in flowers and plants caused permanent brain damage.

Full article at https://news.sky.com/story/baby-bumblebees-left-with-permanent-brain-damage-by-insecticide-11949117