Bumblebee nests are overheating to fatal levels, study finds

More frequent heatwaves mean bees are unable to thermoregulate their hives – further endangering a species already in decline Bumblebee nests may be overheating, killing off broods and placing one of the Earth’s critical pollinators in decline as temperatures rise, new research has found. Around the world, many species of Bombus, or bumblebee, have suffered population declines due to global heating, the research said. Bumblebee colonies are known for their ability to thermoregulate: in hot conditions, worker bees gather to …