Psithyrus

Etymology
From.

Proper noun

 * 1) Cuckoo bees, which take over the nests of 'true' bumblebee queens and use the remaining workers to raise their offspring treated taxonomically as:
 * , or
 * , or, formerly

Hypernyms

 * - order; - suborder;  - superfamily;  - family;  - subfamily;  - tribe; Bombus - genus

Hyponyms

 * ,, , , , , , , , , , , , , , , , , , , , , - species