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Cuckoo Bumble Bees
Psithyrus
Cuckoo bumblebees are members of the subgenus Psithyrus in the bumblebee genus Bombus. Until recently, the 29 species of Psithyrus were considered to constitute a separate genus. They are a specialized lineage which has lost the ability to collect pollen and to rear their brood. They have lost the worker caste and produce only sexuals, male and female. They are inquilines in the colonies of other bumblebees. Before finding and invading a host colony, a Psithyrus...
27 branches of this group, most-observed first
Lemon Cuckoo Bumble Bee
speciesBombus citrinus
Vestal Cuckoo Bumble bee
speciesBombus vestalis
Bohemian Cuckoo Bumble bee
speciesBombus bohemicus
Hill Cuckoo Bumble bee
speciesBombus rupestris
Field Cuckoo Bumble bee
speciesBombus campestris
Yellowish Cuckoo Bumble bee
speciesBombus flavidus
Indiscriminate Cuckoo Bumble Bee
speciesBombus insularis
Forest Cuckoo Bumble bee
speciesBombus sylvestris
Barbut's Cuckoo Bumble bee
speciesBombus barbutellus
Ashton's Cuckoo Bumble Bee
speciesBombus ashtoni
Four-colored Cuckoo Bumble bee
speciesBombus quadricolor
Norwegian Cuckoo Bumble bee
speciesBombus norvegicus
Korean Cuckoo Bumble bee
speciesBombus coreanus
Suckley's Cuckoo Bumble Bee
speciesBombus suckleyi
Bombus monozonus
speciesBombus monozonus
Variable Cuckoo Bumble Bee
speciesBombus variabilis
Bombus cornutus
speciesBombus cornutus
Bombus morawitzianus
speciesBombus morawitzianus
Bombus bellardii
speciesBombus bellardii
Bombus skorikovi
speciesBombus skorikovi
Bombus ferganicus
speciesBombus ferganicus
Bombus expolitus
speciesBombus expolitus
Bombus tibetanus
speciesBombus tibetanus
Bombus novus
speciesBombus novus
Bombus chinensis
speciesBombus chinensis
Bombus turneri
speciesBombus turneri
Bombus branickii
speciesBombus branickii
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Psithyrus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 538893.