Atlas - Chalkhill Blue

Polyommatus coridon

View of Chalkhill Blue with open wings

Photo: Mark Pike

Distribution map

Show layer:

Ecological group

  • Habitat specialist  ?

Conservation priority

  • Medium in SW & UK  ?

Distribution trends

Long term 15-year distribution trends
1970-1984 2000-2014 Change
Distribution (km squares) 185 192 +4%
Rank order  ? 31/47 34/47 Down 3 places
Short term 5-year distribution trends
1995-1999 2010-2014 Change
Distribution (km squares) 130 78 -40%
Rank order  ? 34/47 37/47 Down 3 places

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