Tetraloniella is a genus of long-horned bees in the family Apidae. There are more than 100 described species in Tetraloniella with most being from North America[1]
Tetraloniella species are solitary and nest in the ground. There have been records of some species that nest in aggregate, with some nests being used over several generations[2]
The dietary preferences of most Tetraloniella species are not known, however there are generalist and specialist species. The specialist species have been noted to be specialists of Asteraceae[2]