Blue Mason Bee

Osmia caerulescens

Osmia caerulescens, the blue mason bee, is a species of solitary bee from the family Megachilidae. It has a Holarctic distribution extending into the Indomalayan region, although its presence in the Nearctic may be due to human-assisted introduction.

Scientific name

Osmia caerulescens

Family

Megachilidae