Ammonite / Blue spot mason bee (Osmia caerulescens) making pulp from leaf, Bristol, England, UK, July.
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Ammonite / Blue spot mason bee (Osmia caerulescens) making pulp from leaf, Bristol, England, UK, July.
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Ammonite / Orange vented mason bee (Osmia leaiana) making pulp, Bristol, England, UK, July.
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Alan Williams / Close-up of insect nest box occupied by Red mason bees (Osmia bicornis) Cheshire, UK, May.
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Alan Williams / Close-up of insect nest box occupied by Red mason bees (Osmia bicornis). The bees can be seen at work with some holes already sealed with mud and others containing yellow pollen stores to feed hatchin...
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Alan Williams / Close-up of insect nest box occupied by Red mason bees (Osmia bicornis). The bees can be seen at work with some holes already sealed with mud and others containing yellow pollen stores to feed hatchin...
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Kim Taylor / Red mason bee (Osmia rufa) pair mating. Surrey, England, April.
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Philippe Clement / Mason bee / builder bee (Osmia cornuta) at man-made 'insect hotel' for solitary bees, sealing nest cavity with mud, Belgium, April.
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Philippe Clement / Mason bee / builder bee (Osmia cornuta) at man-made 'insect hotel' for solitary bees, sealing nest cavity with mud, Belgium, April.
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Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.
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Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.
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Philippe Clement / Mason bee / builder bee (Osmia cornuta) laden with pollen and nectar, entering nest in man-made 'insect hotel' for solitary bees. Belgium, April.
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John Abbott / Blueberry bee (Osmia ribifloris) Brackenridge Field Laboratory, Austin, Travis County, Texas, USA.
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Andy Sands / Female red mason bee (Osmia rufa) carrying pollen on its abdominal scopa (pollen carrying hairs) to a nest cell in an insect box, Hertfordshire, England, June.