Best Cuckoo Bumblebee

Bombus barbutellus, Barbut's cuckoo bee, is a brood parasite of other bumble bees found across Europe and temperate parts of western Asia.

Bombus rupestris is a European cuckoo bumblebee in the family Apidae and a social parasite primarily associated with the red-tailed bumblebee, Bombus lapidarius. A female enters a host nest and uses its workers to rear her reproductive offspring rather than producing a worker caste of her own. Femal...

Suckley's cuckoo bumblebee, Bombus suckleyi, is a socially parasitic bumblebee native to North America. Females do not establish colonies or produce a worker caste; instead, they enter colonies of suitable host bumblebees, displace or kill the resident queen, and use the host workers to rear reprodu...

The vestal cuckoo bumblebee, Bombus vestalis, is a socially parasitic species found across much of Europe and neighboring parts of Asia and North Africa. A female enters a colony of the buff-tailed bumblebee, Bombus terrestris, displaces or kills its queen, and induces the remaining workers to rear...

Bombus bohemicus is a cuckoo bumblebee described by Seidl in 1837 and distributed across the Palearctic. It is a social parasite with no worker caste of its own. Instead, mated females infiltrate the colonies of host bumblebees—primarily Bombus terrestris and Bombus lucorum—where they dominate or el...

Bombus norvegicus is a European cuckoo bumblebee whose females invade nests of the tree bumblebee, Bombus hypnorum, instead of founding colonies.

The Indiscriminate Cuckoo Bumblebee (Bombus insularis) is a North American social parasite notable for invading the nests of other bumblebee species to reproduce.

The arctic cuckoo bumblebee (Bombus hyperboreus) is a parasitic insect native to the high Arctic, notable because females usurp the nests of other bumblebees to reproduce.

Bombus campestris, described by Panzer in 1801, is a cuckoo bumblebee targeting carder bee nests, with females that mimic the appearance of their hosts.

Bombus sylvestris, described by Lepeletier in 1832, is a cuckoo bumblebee that parasitizes the nests of Bombus pratorum and other early-nesting bumblebees.

The lemon cuckoo bumblebee (Bombus citrinus) is a parasitic North American species that does not build its own nests, instead invading the colonies of other bumblebees.

Bombus barbutellus, described by Kirby in 1801, is a cuckoo bumblebee that primarily parasitizes the nests of Bombus hortorum across Europe.