Bumblebees host many different parasites whose larvae grow inside their living bodies. They most commonly host flies, starting when an adult fly attaches to a bee midflight and inserts her egg, which ...

This is when the queen bumblee's are like single mothers and must feed themselves and growing larvae whilst also incubating the nest. Image source, Getty Images The Bumblebee Conservation Trust's ...

Bumblebee numbers declined by nearly a quarter ... with queen bumblebees functioning as “single mothers” that must feed themselves and the growing larvae. The lower numbers were not spread ...