closeup of a male of the endangered dawn mining bee , andrena nycthemera posed on the ground

andrena andrenidae arhtropods arthropoda bee bees belgium close closeup dageraadbij dawn dwan ecology endangered europa flodsandbi ground hymenoptera insect location macro male merendree miner mining nature next nycthemera nycthemeral oost other pollinator posed solitary stroke sun vlaanderen waiting wildlife zandbij