Maculinea arion eutyphron Fruhstorfer, 1915:67

British large blue



Taxonomy & Nomenclature

Synonym/s: Lycaena arion eutyphron Fruhstorfer, 1915:67; Phengaris arion eutyphron Fruhstorfer, 1915:67; Glaucopsyche arion eutyphron (Fruhstorfer, 1915:67)


Conservation Status


Last record: 1979 (Thomas, 1980)

IUCN RedList status: Extinct





Biology & Ecology










Original scientific description:

Fruhstorfer. (1915). Neue palaearktische Lycaeniden Soc. Ent. 30(12): 67-68.


Other references:

Andrews, Peter. (2015). A History of the Large Blue Maculinea arion subspecies eutyphron (Fruhstorfer, 1915) in Somerset [Online]. Available from [Accessed July 10, 2015].

Barnett, R., Higgins, R., Moulin, T. and Wiltshire, C. (2003). The Butterflies of the Bristol Region: The Wildlife of the Bristol Region: 2.

Bristol Regional Environmental Records Centre.

Bradley, J. D. (2000). Checklist of Lepidoptera Recorded from the British Isles (Second edition). Self published.

Butterfly Conservation (2011) Thyme (and management) To Save the Large Blue [Online]. Available from

Dale, J. C. (1835-1865) Entomological Diary for 1835-1865.

De Worms, Charles. (1970). Ian Robert Penicuick Heslop (1904-1970) Obituary. Entomologist's Record and Journal of Variation 82: 245-246.

Emmet, A. Maitland. (1991). The Scientific Names of the British Lepidoptera: Their History and Meaning. Colchester: Harley Books.

Emmet, A. M. and Heath, J. (1990). The Moths and Butterflies of Great Britain and Ireland, vol.7(1). Colchester, Essex: Harley Books.

Ford, E. B. (1945). Butterflies. London: Collins (New Naturalist).

Gimenez Dixon, M. (1996). Phengaris arion. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 25 May 2013.

Heslop, I. R. P. (1949). Maculinea arion and Apatura iris in Somerset. Entomologist. 83: 20-21.

Heslop, I. R. P., Hyde, G. E. and Stockley, R. E. (1964). Notes and Views of the Purple Emperor. Brighton, England: The Southern

Publishing Co., Ltd.

Hudd, A. E. (1906) Somerset Victorian County History. 1.

Lewin, W. (1795) Papilios of Great Britain.

Meyrick, E. (1927). A revised handbook of the British Lepidoptera. Middlesex: E. W. Classey, Hampton.

Morris, Rev. F. O. (1853). A History of British Butterflies. London: Groombridge and Sons.

Muggleton, J. and Benham, B.R. (1975) Isolation and the decline of the Large Blue butterfly (Maculinea arion) in Great Britain. Biological Conservation 7(2):119-128.

New, T. R. (ed.). (1993). Conservation Biology of Lycaenidae (Butterflies). Occasional Paper of the IUCN Species Survival Commission No.8. Gland, Switzerland: International Union for Conservation of Nature and Natural Resources (IUCN). vii + 173 pp.

Newman, E. (1834). Captures. Entomological Magazine. 2, p.435.

Newman, E. (1871). An illustrated natural history of British butterflies. London: W. Tweedie.

Oates, M. (2005). Extreme Butterfly Collecting: A Biography of I.R.P. Heslop. British Wildlife 16(3): 164-171.

Salmon, Michael A. and Edwards, Peter J. (2005). The Aurelian's Fireside Companion: An Entomological Anthology. Paphia Publishing Ltd. 455 pp.

Spooner, G. M. (1963). On causes of the decline of Maculinea arion L. Lep., Lycaenidae in Britain. Entomologist 96:199-210.

Thomas, J. A. (1980). Why did the large blue become extinct in Britain? Oryx 15(3): 243-247. [Abstract]

Thomas, J. A. (1989). The return of the Large Blue butterfly. Brit. Wildlife 1: 2-13.

Thomas, J. A. and Lewington, R. (2010). The Butterflies of Britain and Ireland. Gillingham, Dorset: British Wildlife Publishing.

Tutt, J. W. (1896). The gradual decadence of Lycaena arion. The Entomologist's Record and Journal of Variation 8: 121-125.


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