Holly Blue - Celastrina argiolus
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Species Description
Common and widespread throughout the Southern half of the UK but becoming more localised further North. It is spreading northwards. Food plant: Holly (Ilex aquifolium) - spring generation, Ivy (Hedera helix) - summer generation, Spindle (Euonymus europaeus), Dogwoods (Cornus spp.), Snowberries (Symphoricarpos spp), Gorses (Ulex spp.), Brambles (Rubus fruticosus agg.) may also be used. Flight period: 2 generations (April to June, July to September).