Unknown bee on ivy flowers. About double the size of honey bee.

Unknown bee on ivy flowers. About double the size of honey bee.

Observation - Unknown bee on ivy flowers. About double the size of honey bee.. Description: This bee was among a number of honey bees feeding on ivy flowers. It is approx twice the size of a honey bee. Help needed please to identify it.

This bee was among a number of honey bees feeding on ivy flowers. It is approx twice the size of a honey bee. Help needed please to identify it.