Red mason bee
Enw gwyddonol: Osmia bicornis
The red mason bee is a common, gingery bee that can be spotted nesting in the crumbling mortar of old walls. Encourage bees to nest in your garden by putting out a tin can full of short, hollow canes.
Species information
Ystadegau
Length: 0.6-1.1cmStatws cadwraethol
Common.