Phil Savoie / Green furrow bee (Lasioglossum morio) male on river bank, Monmouthshire, Wales, UK, August.
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Phil Savoie / Green furrow bee (Lasioglossum morio) female flying to nest burrow, Monmouthshire, Wales, UK, August.
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Phil Savoie / Green furrow bee (Lasioglossum morio) female outside nest burrow, Monmouthshire, Wales, UK, August.
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Phil Savoie / Green furrow bee (Lasioglossum morio) female outside nest burrow, Monmouthshire, Wales, UK, August.
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Phil Savoie / Green furrow bee (Lasioglossum morio) female sunbathing outside nest burrow, Monmouthshire, Wales, UK, August.
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Phil Savoie / Green furrow bee (Lasioglossum morio) female outside nest burrow, Monmouthshire, Wales, UK, August.
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Doug Wechsler / Sweat bee nest (Augochlora pura) in rotten log, entrance to chamber on right, Fort Washington State Park, Montgomery County, Pennsylvania, USA, June.
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Phil Savoie / Dark blood bee (Sphecodes niger), female inspecting a nest burrow to parasitize Sweat bees (Lasioglossum), Monmouthshire, Wales, UK, August.
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Phil Savoie / Dark blood bee (Sphecodes niger) female inspecting Sweat bee (Lasioglossum) nest to parasitize, Monmouthshire, Wales, UK, August.
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Phil Savoie / Dark blood bee (Sphecodes niger) female inspecting a nest burrow to parasitize host Sweat bees (Lasioglossum), Monmouthshire, Wales UK, August.
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Rod Williams / Slender mining / Common furrow bee (Lasioglossum calceatum) feeding on ragwort Brockley, Lewisham, London, England, UK September.
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James Dunbar / Close-up of a Sweat bee (Lasioglossum) nectaring on a flower before taking off, England, UK, September.