Diadasia australis

Diadasia australis is a species of chimney bee in the family Apidae. It is found in Central America and North America.

Subspecies
These three subspecies belong to the species Diadasia australis:
 * Diadasia australis australis (Cresson, 1878)
 * Diadasia australis californica (Cresson, 1878)
 * Diadasia australis knabiana Cockerell