closeup on the male of the red bartsia bee, melitta tricincta sitting on it's hotstplant

arthropoda bee blunthorn brabant flora hymenoptera insect melitta tricincta melittidae nature odontites vernus plant red bartsia animal biology botanical closeup entomology flower invertebrate macro mining oligolectic outdoors specific pollinator single solitary specialist wild wildflower wildlife male sitting hotstplant natural