Two-coloured Mason Bee - Osmia bicolor
The female of this small (12 mm) bee is particularly attractive, with a black head and thorax and bright gingery hairs covering the abdomen. In the male the ginger is less striking.
April to July.
This is a bee that uses vacant snail-shells as nest sites. It uses masticated leaves to build up to five cells inside before camouflaging the shell with grass or dead leaves.
Mainly found south of a line between The Wash and the Severn Estuary.
Infrequent in Leicestershire and Rutland
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015