Erebia ligea: Difference between revisions
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{{Taxobox |
{{Taxobox |
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| name = Arran |
| name = Arran brown |
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| image = Erebia ligea01.jpg |
| image = Erebia ligea01.jpg |
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| image_caption = In [[France]] |
| image_caption = In [[France]] |
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The '''Arran |
The '''Arran brown''' ('''''Erebia ligea''''') is a member of the [[Satyridae]] subfamily of [[Nymphalidae]]. This brown is widespread in southeastern and northern Europe. It prefers mixed woodlands at low altitudes. It is rarely seen on open areas. This species was first described by Linnaeus in his 10th edition of Systema Naturae in 1758, and the type locality is Sweden. |
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[[Image:Satyrine2NorwayUp.jpg|thumb|left|Specimen from Oslo]] |
[[Image:Satyrine2NorwayUp.jpg|thumb|left|Specimen from Oslo]] |
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[[Image:Ligea.jpg| thumb|left|Museum drawer of ''Erebia ligea'', [[Sir Charles Langham, 13th Baronet|Langham]] and [[George Wheeler (1858-1947)|Wheeler]] collection.[[Ulster Museum]]]] |
[[Image:Ligea.jpg| thumb|left|Museum drawer of ''Erebia ligea'', [[Sir Charles Langham, 13th Baronet|Langham]] and [[George Wheeler (1858-1947)|Wheeler]] collection.[[Ulster Museum]]]] |
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This butterfly can be distinguished from the rather similar [[Lapland Ringlet]] (''Erebia embla'') and the [[Arctic Ringlet]] (''Erebia disa'') by the fact that it has white blotches on the under surfaces of the hind wing and those butterflies do not. It can also be distinguished from the Arctic Ringlet by the fact that it always has eyespots on its hind wings while the upper side of the Arctic Ringlet's wings are plain brown. Another very similar species is the [[Dewy Ringlet]], but that has a more rusty red forewing and the red strip along the underside of the wings is not continuous.<ref name=NatureGate/> |
This butterfly can be distinguished from the rather similar [[Lapland Ringlet]] (''Erebia embla'') and the [[Arctic Ringlet]] (''Erebia disa'') by the fact that it has white blotches on the under surfaces of the hind wing and those butterflies do not. It can also be distinguished from the Arctic Ringlet by the fact that it always has eyespots on its hind wings while the upper side of the Arctic Ringlet's wings are plain brown. Another very similar species is the [[Dewy Ringlet]], but that has a more rusty red forewing and the red strip along the underside of the wings is not continuous.<ref name=NatureGate/> |
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It is questionable whether this butterfly occurs in the British Isles but historical collections of the [[Scotch |
It is questionable whether this butterfly occurs in the British Isles but historical collections of the [[Scotch argus]] (''Erebia aethiops'') contain some specimens of Arran brown among the very similar specimens of Scottish argus. The original record is from the Isle of Arran, in the Clyde Isles in Scotland, in 1803, and it is from this that the butterfly gets its English name.<ref>{{cite web |url=http://www.ukbutterflies.co.uk/species.php?species=ligea |title=Arran Brown |author=Peter Eeles|work=UK Butterflies |accessdate=2013-12-24}}</ref> |
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==Distribution and habitat== |
==Distribution and habitat== |
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{{reflist}} |
{{reflist}} |
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{{DEFAULTSORT:Erebia Ligea}} |
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[[Category:Erebia]] |
[[Category:Erebia]] |
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[[Category:Insects described in 1758]] |
[[Category:Insects described in 1758]] |
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Revision as of 22:07, 3 January 2015
| Arran brown | |
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| In France | |
| Scientific classification | |
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| Species: | E. ligea
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| Binomial name | |
| Erebia ligea | |
The Arran brown (Erebia ligea) is a member of the Satyridae subfamily of Nymphalidae. This brown is widespread in southeastern and northern Europe. It prefers mixed woodlands at low altitudes. It is rarely seen on open areas. This species was first described by Linnaeus in his 10th edition of Systema Naturae in 1758, and the type locality is Sweden.
Description
The Arran brown is a medium-sized butterfly with a wingspan of between 30 and 46 mm (1.2 and 1.8 in). Females tend to be a little larger than males. The upper side of both the fore and hind wings are dark greyish-brown with a reddish-orange strip near the margin along which runs a series of black spots. Many of the spots are small but some have white centres. The underside of the fore wing is dark brown with a reddish strip with black, white-centred eyespots near the outer edge. The underside of the hind wing is brown, edged with a row of more or less distinct dark-coloured eyespots. The basal side of these is close to the centre of wing and there are one or two patches of white. The basal part of the hind wing of the female is a darker brown colour than the rest of the wing.[1]
This butterfly can be distinguished from the rather similar Lapland Ringlet (Erebia embla) and the Arctic Ringlet (Erebia disa) by the fact that it has white blotches on the under surfaces of the hind wing and those butterflies do not. It can also be distinguished from the Arctic Ringlet by the fact that it always has eyespots on its hind wings while the upper side of the Arctic Ringlet's wings are plain brown. Another very similar species is the Dewy Ringlet, but that has a more rusty red forewing and the red strip along the underside of the wings is not continuous.[1]
It is questionable whether this butterfly occurs in the British Isles but historical collections of the Scotch argus (Erebia aethiops) contain some specimens of Arran brown among the very similar specimens of Scottish argus. The original record is from the Isle of Arran, in the Clyde Isles in Scotland, in 1803, and it is from this that the butterfly gets its English name.[2]
Distribution and habitat
The Arran brown is native to northern and southeastern Europe. It is found in July and August on grassland, open woodland, forest clearings and the margins of forests.[1]
Life cycle
Females lay their eggs on grasses and sedges. In Finland the larvae take two years to develop and overwinter twice as caterpillars. In that country the numbers fluctuate and it is much more numerous in odd-numbered years.[1]
References
- ^ a b c d "Arran Brown: Erebia ligea". NatureGate. Retrieved 2013-12-23.
- ^ Peter Eeles. "Arran Brown". UK Butterflies. Retrieved 2013-12-24.