Cuckoo Bumble Bees (Bombus (Psithyrus)) (2019)
Book Chapter
Martin, S. (2019). Cuckoo Bumble Bees (Bombus (Psithyrus)). In C. Starr (Ed.), Encyclopedia of Social Insects. Springer. https://doi.org/10.1007/978-3-319-90306-4_33-1

There are about 250 species of bumble bees, genus Bombus, of which 30 have evolved into social parasites known as cuckoo bumble bees. All cuckoo bumble bees were at one time placed in their own genus, Psithyrus, which is now treated as a monophyletic... Read More about Cuckoo Bumble Bees (Bombus (Psithyrus)).