Ross Hoddinott / Holly blue butterfly (Celastrina argiolus) resting on Ivy (Hedera sp), Broxwater, Cornwall, UK. April.
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Jussi Murtosaari / Holly blue butterfly (Celastrina argiolus), female, Finland, June.
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Bernard Castelein / Holly blue butterfly (Celastrina argiolus) Brasschaat, Belgium
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Bernard Castelein / Holly blue butterfly (Celastrina argiolus) Brasschaat, Belgium
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Sue Daly / Holly blue butterfly (Celastrina argiolus) on heather, Sark, British Channel Islands, August.
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Sue Daly / Holly blue butterfly (Celastrina argiolus), Sark, British Channel Islands, August.
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Sue Daly / Holly blue butterfly (Celastrina argiolus), Sark, British Channel Islands, August.
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Kim Taylor / Holly blue butterfly (Celastrina argiolus) male at 'salt lick' on peat. Surrey, England, UK, July.
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Rod Williams / Holly blue butterfly (Celastrina argiolus) male, Brockley Cemetery, Lewisham, London. May.
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Rod Williams / Male Holly blue butterfly (Celastrina argiolus) on Creeping thistle flower, Brockley Cemetery, Lewisham, London, England, July.
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Rod Williams / Holly blue butterfly (Celastrina argiolus) pair mating, Hutchinson's Bank, New Addington, London, England, June.
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Simon Colmer / Holly blue (Celastrina argiolus) Sussex, UK. June.
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Simon Colmer / Holly blue (Celastrina argiolus) Sussex, UK. June.
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David Kjaer / Holly blue butterfly (Celastrina argiolus) on brambles, Dorset, UK, August.
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Jussi Murtosaari / Holly blue butterfly (Celastrina argiolus) female (second generation) laying eggs on heather, Leivonmaki National Park, Leivonmaki, Joutsa, Keski-Suomi, Lansi- ja Sisa-Suomi / Central and Western Fin...
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Rod Williams / Male Holly blue butterfly (Celastrina argiolus) Hutchinson's Bank, New Addington, South London, England, UK, May
01492388
Rod Williams / Male Holly Blue (Celastrina argiolus) Hutchinson's Bank, New Addington, South London, England, UK, May
01486111
Bernard Castelein / Holly blue (Celastrina argiolus) Brasschaat, Belgium, July.
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Bernard Castelein / Holly blue (Celastrina argiolus) Brasschaat, Belgium, July.
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Bernard Castelein / Holly blue (Celastrina argiolus) resting on leaf, Brasschaat, Belgium, June.
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Rod Williams / Holly blue butterfly (Celastrina argiolus) feeding on ragwort, Lewisham, London, UK, August.
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Jussi Murtosaari / Holly Blue butterfly (Celastrina argiolus) female laying eggs on rowan tree, central Finland, May.
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Jussi Murtosaari / Holly blue butterfly (Celastrina argiolus) female, resting on a leaf, Finland. May.
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Mike Read / Holly blue butterfly (Celastrina argiolus) feeding on Bramble (Rubus fruiticosus) Church Place Inclosure, New Forest National Park, Hampshire, England, UK, July.
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Jussi Murtosaari / Holly blue (Celastrina argiolus) butterfly, female nectaring. Jyvaskyla, Central Finland. May.
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Jussi Murtosaari / Holly blue (Celastrina argiolus) butterfly, female on leaf. Jyvaskyla, Central Finland. May.
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Jussi Murtosaari / Holly blue (Celastrina argiolus) butterfly, male on Fern. Jyvaskyla, Central Finland. May.
