bumblebee

A daisy tinged with ultraviolet petals signals to a bumblebee: dinner’s served.

"We document a substantial shift in the functional composition of bumblebee communities that is tied to a long-term increase of summer temperatures in North America," the authors write.

In terms of shape, it was found that only the plants pollinated by bumblebees showed clear differences between the soil types, while the hand-pollinated plant groups remained largely the same.

I started watching for them: mason bees, sweat bees, leaf cutter bees, and my favorite, bumblebees.

The researchers wanted to test whether using caffeine, which has been shown to improve learning in honeybees and bumblebees, might improve the ants' ability to learn the bait location and guide their nestmates back there.