Cuckoo bumble bees like to take over the nests of other bumble bees, MacPhail said, and on P.E.I. they have been taking over nests of the yellow-banded bumble bee.

COSEWIC said in 2010 that it estimates populations of the bee species have declined by 99 per cent. Researchers are now preparing a 10-year update on the status of the rusty-patched bumblebee.

Jackson and her colleagues analyzed an existing dataset containing records on 46 bumble bee species across North America between 1900 – 2020. They created two occupancy models – one focused on time ...

More information: Etya Amsalem et al, Do bumble bees make optimal nutritional choices?, Journal of Insect Physiology (2025). DOI: 10.1016/j.jinsphys.2025.104822 ...

The Rusty-Patched Bumble Bee used to be one of the most common in southern Ontario and Quebec, but has been declining since the 1970's and now these bees are very rare. Photo Credit: via Ontario ...