The buzz of a bumble bee feeding at a willow catkin is a sure sign that spring has arrived to Interior Alaska. As more and more flowers unfurl to offer their nectar and pollen rewards, a dizzying ...

The surefire way to know whether it’s a sweat bee or a corn fly buzzing around is if it stings. The halictid bee stings, but the corn fly, also called a hover fly, does not. “They’re mimics of bees, ...

Good pollen makes bees hot, biologists at UC San Diego have found. Wasps warm up too when they find protein-rich meat, a separate experiment has shown. In both cases warmer flight muscles likely speed ...