Bees (Andrena?)

Bees (Andrena?)

Observation - Bees (Andrena?) - UK and Ireland. Description: Bees swarming around Helleborus argutifolius, though only rarely entering the flowers. Not sure if one or two species are involved here (not including the Nomada species in picture 2).

Bees swarming around Helleborus argutifolius, though only rarely entering the flowers. Not sure if one or two species are involved here (not including the Nomada species in picture 2).