What is another word for psithyrus?
Pronunciation: [sˈɪθɪɹəs] (IPA) 
Psithyrus is a genus of bumblebees that are known for their brood parasitism, meaning they lay their eggs in the nests of other bumblebee species. While the name Psithyrus has become synonymous with this parasitic behavior, there are other words and phrases that can be used to describe these bees. Some synonyms for psithyrus could include "cuckoo bumblebee," "nest-invading bumblebee," or simply "brood parasite." These synonyms provide alternative ways to refer to this unique subset of bumblebees and can help to increase understanding of their behavior and ecological significance.
