Medium to large solitary bees with black or metallic brown-green or blue bodies. They nest primarily in holes and crevices in dead wood, posts etc. and the mortar of old stone or brick walls. Some nest in empty snail shells. Around 10 species in the UK.
Medium to large solitary bees with black or metallic brown-green or blue bodies. They nest primarily in holes and crevices in dead wood, posts etc. and the mortar of old stone or brick walls. Some nest in empty snail shells. Around 10 species in the UK.
