{{short description|Species of moth}} {{Speciesbox | name = Double line | image = Mythimna_turca.jpg | taxon = Mythimna turca | authority = (Linnaeus, 1761) | synonyms = }} '''''Mythimna turca''''', the '''double line''', is a moth of the family Noctuidae. The species was first described by Carl Linnaeus in 1761. It is found in Europe. The eastern expansion extends through northern Asia and central Asia to northern China, Korea and Japan. It rises to a height of about 700 metres in the Alps.
==Technical description and variation== {{Entomology glossary hatnote}}
The wingspan is 37–45 mm. Forewing pale rufous ochreous, dappled throughout with rufous fuscous, and very finely dusted with small black dots; inner and outer lines dark, conversely oblique; reniform stigma alone represented, forming a pale streak on the discocellular, the lower end whiter, followed by a slight dark cloud; hindwing rufous, suffused in varying degrees with fuscous; - the form ''limbata'' Btlr. from Japan generally has the inner line of forewing more strongly angled beneath costa, while the legs are more heavily tufted; — ab. ''turcella'' Stgr. from Transbaikal is smaller and paler.<ref>Seitz, A. Ed., 1914 ''Die Großschmetterlinge der Erde'', Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914</ref> See also Hacker et al.<ref>Hermann Hacker, László Ronkay & Márton Hreblay: ''Noctuidae Europaeae'' vol. 4 Hadeninae I. Entomological Press, Sorø 2002, ISBN 87-89430-07-7</ref> thumb|140px|left|Figs 2, 2a, 2b larvae after final moult
==Biology== The species mainly colonizes moorland and carr, moist meadows and forest clearings as well as raised bog areas.
The moth flies from June to July depending on the location.
Larva yellowish grey, mottled with darker, especially in front; dorsal and subdorsal lines pale ochreous; a dorsal series of dark streaks; spiracles with black rings. The larvae feed on various grasses, including ''Dactylis glomerata'', ''Poa nemoralis'' and ''Luzula'' species.
==References== {{Reflist}}
==External links== {{Commons category}} *{{cite web |last=Kimber |first=Ian |url=https://ukmoths.org.uk/species/mythimna-turca |title=73.288 BF2191 Double Line ''Mythimna turca'' (Linnaeus, 1761) |website=UKMoths |accessdate=4 July 2019}} *[http://www.lepiforum.de/lepiwiki.pl?Mythimna_turca ''Lepiforum e.V.'']
{{Taxonbar |from=Q2686893}}
Category:Mythimna (moth) Category:Moths of Asia Category:Moths of Europe Category:Moths described in 1761 Category:Animal taxa named by Carl Linnaeus
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