The optimal temperature range for bumblebee nests is between 82.4 and 89.6 degrees Fahrenheit. And when the heat rises just slightly higher to 95 degrees Fahrenheit, ...

However, the ongoing bumblebee decline is likely caused because of rising temperatures, which have made it impossible for the bees to keep their nests between the ideal temperatures of 28 and 32 ...

A few years ago, Adrian Carper, who is in my department and also the Museum of Natural History at the University of Colorado Boulder, told me about a species of bee that could chew nest holes into ...

Their nest size depends on the species of bumblebee. On average, bumblebee colonies range from 50 to 400 individuals, with some as small as 20 individuals and others as large as 1700 individuals.

While testing how well commercial bumblebees pollinate early spring crops, researchers made a surprising discovery: dead wild bumblebee queens in the hives, an average of 10 per nest box.