The size of a bumblebee varies depending on the species ... She builds wax cells to lay her eggs. The ovaries of the fertilized queen only become active when the queen starts to lay eggs.

She will then begin to lay her eggs and sit on them like a bird - these spring queens represent the next generation of bumblebee colonies. But exactly how thiamethoxam blocks the queens ...

Bumblebee queens exposed to the pesticide were 26 percent less likely to lay eggs, compared to queens that weren't exposed to the pesticide. The team published their findings in the journal Nature ...

New research published in the journal Proceedings of the Royal Society B has found that wild bumblebee queens are less able to develop their ovaries when exposed to a common neonicotinoid ...

The queen bumblebee can store sperm inside her body for months. • Some female worker bees can make their own eggs, but the queen will usually oust them — and the constant drama queen–worker drama ...