
Barbut’s Cuckoo Bumblebee (Bombus barbutellus) Bee Species Profile
Introduction Barbut’s Cuckoo Bumblebee (Bombus barbutellus) is a distinctive parasitic bumblebee found across parts of the UK during late spring and summer. Unlike most bumblebees, it does not build its own nest or collect pollen. Instead, it infiltrates the nests of other bumblebee species, relying










