A male Chalk Hill Blue basking at Watlington Hill, Oxfordshire. © 2011 - 2020 Steven Cheshire.
The larvae of the Chalk Hill Blue feed on Horseshoe Vetch (Hippocrepis comosa).
The Chalk Hill Blue became extinct in Warwickshire in the 19th Century.
1. Smith, R. and Brown, D. (1979) The Lepidoptera of Warwickshire; a provisional list. Part One, Butterflies 1900-1977, Hesperiidae to Satyridae.
The Chalk Hill Blue has not been a resident species in Warwickshire since the 19th century but in recent years, individual butterflies have been sighted in the south of the county. Conservation measures in neighbouring Gloucestershire and Oxfordshire have enabled the Chalk Hill Blue to recover some of its former range, meaning that colonies are now found very close to the Warwickshire border.
This innovative project will restore the threatened Chalk Hill Blue butterfly to Warwickshire after an absence of over 100 years.
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