Distributions maps shown below are only approximate. The presence of each butterfly species in a particular location is primarily determined by the presence or absence of the specific habitat requirements for each particular species.
The maps are based on a wide variety of data including personal sightings, various publications, historic data and internet resources.
Species maps shown exclude those species which are currently believed to be extinct in Great Britain or occur as non-native introductions.
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References
Asher. J., Warren, M., Fox, R., Harding, P., Jeffcoat, G., Jeffcoat, S.
(2001) The Millennium Atlas of Butterflies in Britain & Ireland, Oxford University Press, Oxford.
Fox, R., Asher. J., Brereton. T., Roy, D & Warren, M.
(2006) The State of Butterflies in Britain & Ireland, Pices, Oxford.
 A complete list of references can be viewed here. |
