Osmia rufa

• abstract: Osmia rufa or Osmia bicornis is a species of mason bee,Natural History Museum - Swarm-like behaviour of red mason solitary bees - retrieved 2013-08-14INSECTS - Collins gem guide ISBN 0-00-458818-5Buckingham Nurseries and is known as the red mason bee due to its covering of dense gingery hair.Wild Life Trusts

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