Osmia calaminthae, commonly known as the blue calamintha bee, is a rare species of mason bee known only to Highlands County, Florida, United States. It is considered Critically Imperiled by NatureServe. The common name for the bee is derived from its distinctly blue color and its favored host plant, Calamintha ashei.
== Etymology ==
The name "calaminthae" is Latin for mint, as the presumed pollen host for the bee is Calamintha ashei, commonly known as Ashe's mint.
== Description ==
The adult female O. calaminthae ranges from 10–11 millimetres (0.39–0.43 in) in total length and has a for...