“Ah, here’s another female. She’s cute.” The bicolored striped sweat bee has a short tongue ... The Macropis cuckoo bee (left) is a kleptoparasite, which means it steals resources ...

The face of a sweat bee (Megalopta amoena) that is half female (viewer's left, bee's right) and half male (viewer's right, bee's left) Chelsey Ritner / Utah State University In the spring of 2018 ...

Female cuckoo bumblebees fight or sneak into a colony of western bumblebees, then kill or subdue the host colony’s queen. The cuckoo bee then lays her own eggs and gains control of the host colony’s ...