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Chalkhill Blue butterfly (male)

Noun edit

chalkhill blue (plural chalkhill blues)

  1. A silver-blue butterfly, Polyommatus coridon, of the family Lycaenidae.
    • 2024 March 20, Chris Howe, “High speed underneath the Chilterns...”, in RAIL, number 1005, page 33:
      Yet despite sounding inhospitable, grasslands such as this are home to a huge variety of smaller herbs and wildflowers, including some of the UK's rarest orchids and invertebrates, in addition to being home to butterfly species such as the Chalkhill Blue.

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