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Erebia aethiops Esper, 1777

Erebia aethiops-Pişenkaya.JPG <b><i>Polyommatus huberti</b></i> Carbonell, 1993 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/12/17/20171217181453-52094fb0-th.jpg>Thumbnails<b><i>Erebia aethiops</b></i> Esper, 1777||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/09/20171109192257-c0625463-th.jpg><b><i>Polyommatus huberti</b></i> Carbonell, 1993 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/12/17/20171217181453-52094fb0-th.jpg>Thumbnails<b><i>Erebia aethiops</b></i> Esper, 1777||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/09/20171109192257-c0625463-th.jpg><b><i>Polyommatus huberti</b></i> Carbonell, 1993 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/12/17/20171217181453-52094fb0-th.jpg>Thumbnails<b><i>Erebia aethiops</b></i> Esper, 1777||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/09/20171109192257-c0625463-th.jpg><b><i>Polyommatus huberti</b></i> Carbonell, 1993 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/12/17/20171217181453-52094fb0-th.jpg>Thumbnails<b><i>Erebia aethiops</b></i> Esper, 1777||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2017/11/09/20171109192257-c0625463-th.jpg>

Erebia aethiops Esper, 1777
Common names: Moiré tardif, Moiré sylvicole [Fr] Zomererebia [Nl], Scotch Argus [En], Hundsgrasfalter, Graubindiger Mohrenfalter [De], İskoç Güzelesmeri [Tu]

Pişenkaya, ARTVİN ● Turkey

Description: The Scotch argus has a wingspan of 42–46 mm. Antennae are clavate (club shaped). The background colour of the wings varies from dark brown to black brown, with reddish-yellow bands, black eyespots with white pupils and greyish wing fringes, weakly chequered in the females. On the forewing there are three or four eyespots, usually two apical plus a third detached, while on the hindwings there are four or five.
The underside of the hindwings shows a whitish or cream banding but there is a slightly marked sexual dimorphism. Three black spots are present on each hindwing. The egg is oval shaped, with 20 to 28 longitudinal ribs. The mature caterpillar is yellow brown, with a brown head. The pupae are yellow brown and relatively short and compact, reaching a length of 12.5–124.5 millimetres.

This species is rather similar to Erebia ligea, but the fringes on the edges of the upper side of the wings are more light grey, while in E. ligea they are white.

Subspecies include:
E. a. aethiops Esper, 1777 – Europe, North Scotland, Balkans, North West Turkey
E. a. caledonia Verity, 1911 – South and West Scotland – Smaller subspecies and a narrower reddish-yellow band and never contains more than three small eyespots.
E. a. melusina Herrich-Schaffer, 1847 – Caucasus

Biology: This species is univoltine. Adults fly from June to August. The eggs are laid singly on the leaves of grass. The larvae hatch after two weeks. The hibernating larva is reported to feed on Agrostis, Dactylis, Poa annua, Bromus erectus and other grasses. In Scotland the main host plants are purple moor-grass (Molinia caerulea) and blue moor-grass (Sesleria caerulea).

Habitat: In Europe and Russia, these butterflies prefer the edge of pine forests and tall damp grassland in hills and mountains up to 2400 m.

Distribution: Erebia aethiops is widespread in the Palaearctic ecozone, including most of Europe, the Alps and Apennines, Balkans, Asia Minor, the Urals, and the Caucasus.

References:
Wikipedia, Scotch argus




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Monday 17 July 2017
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