a grey-patched mining bee (andrena nitida) seen on a buttercup in may

bee insect macro closeup hymenoptera buttercup yellow flower summer entomology pollen nature wild furrow ranunculus acris botanical pollinator plant animal botany striped flora solitary spring halictidae arthropoda meadow lasioglossum andrena arthropod wildlife sweat ranunculaceae nectar outdoor wildflower ficaria verna flowering biological age greypatched mining person caucasus natural pollination lobespurred population nitida grey-patched may may fluffy brown collecting