IMG_2972

IMG_2972

Observation - IMG_2972 - UK and Ireland. Description: A series of photos of an intruder bee being attacked, the attacking bees are nesting in a cavity of an old brick wall and in large numbers, I thought the attacking bees were Red Mason Bees, but the head markings don't seem to fit and I understand the Maso

A series of photos of an intruder bee being attacked, the attacking bees are nesting in a cavity of an old brick wall and in large numbers, I thought the attacking bees were Red Mason Bees, but the head markings don't seem to fit and I understand the Mason Bee is a solitary bee, has anyone any ideas?