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Holly Blue - Celastrina argiolus

Bradley & Fletcher No.: 1580
Agassiz No.: 61.012

The Holly Blue is easily identified in early spring, as it emerges well before other blue butterflies. It tends to fly high around bushes and trees, whereas other grassland blues usually stay near ground level. It is much the commonest blue found in parks and gardens where it congregates around Holly (in spring) and Ivy (in late summer).

Post-2000 records
Pre-2000 records

Flight Times

References

More detailed information on this species can be found on the UK Butterflies website.