Osmia bicornis.

Osmia bicornis or Osmia rufa is commonly known as the Red Mason Bee.This male pictured below clearly shows the gingery (red) hairs which gives this species its name.It is widespread and can be seen from late March to early summer.

The Red Mason Bee.

The Red Mason Bee is a small common bee which nests in hollow plant stems,in holes in cliffs and crumbling mortar of old buildings.It is a solitary bee so after mating each female builds its own nest.

It is widespread in England and is on the wing from late March to early summer. Osmia rufa is a very efficient pollinator and feeds solely on pollen and nectar.

This species can be identified by the two horn-like processes on the front of the face as shown in this female below.