Gardensafari Mining Bees (Andrena sp.) with lots of pictures
Mining Bees (Andrena species) Another big group of European bees: the mining bees, genus Andrena. Most of them belong to the genus Andrena. In moderate zones this genus is represented by well over 100 species. The status of many species in Britain is unsure. The estimations run from 60 to 80 species, with quite a number of endangered species.