Definition of chalkhill blue in English:

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chalkhill blue

noun

A European blue butterfly of calcareous grassland, of which the male is silvery-blue with blackish markings and the female is brown.
  • Lysandra coridon, family Lycaenidae.
Example sentences
  • Cockey Down is best visited in spring and summer, when insects such as the hornet robber-fly, and butterflies such as chalkhill blue, marbled white and dark green fritillary find a home among the stunning tapestry of wildflowers.
  • Chalk downland has several butterflies found nowhere else, and the chalkhill blue is one of these.
  • Butterflies include species such as the small and chalkhill blues, brown argus and the marbled white.

For editors and proofreaders

Line breaks: chalk|hill blue

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