Nick Upton / Red mason bees (Osmia bicornis) entering and leaving nest hole drilled into a log within an insect hotel, Gloucestershire, England, UK, April.
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Kim Taylor / Red mason bee (Osmia rufa) female in flight carrying mud to nest, Surrey, UK, April
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PREMAPHOTOS / Dune snail bee {Osmia aurulenta} seals empty shell {Helix aspera} with leaf mastic for nest. UK
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Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell, Monmouthshire, Wales, UK, May.
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Phil Savoie / Red mason bee (Osmia bicornis) male at bee hotel. Monmouthshire, Wales, UK. May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell Monmouthshire, Wales, UK, May..
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Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load under her abdomen for brood cell Monmouthshire, Wales, UK. May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee sealing off brood cells with mud Monmouthshire, Wales, UK. May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee bringing in pollen load for brood cell Monmouthshire, Wales, UK, May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee capping off nest brood cell with mud, Monmouthshire, Wales, UK. May.
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Phil Savoie / Red mason bee (Osmia bicornis) female bee being followed by male Monmouthshire, Wales, UK. May.
