1. a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste; [syn: Psithyrus, genus Psithyrus]
WordNet (r) 3.0 (2006):
genus Psithyrus
n 1: a large bee that resembles the bumblebee but lacks pollen-
collecting apparatus and a worker caste [syn: Psithyrus,
genus Psithyrus]