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The Great Brocade or Great Gray Dart (''Eurois occulta'') is a moth of the family Noctuidae. It is found in Northern and Central Europe, North Asia and Central Asia to the Pacific Ocean and Japan. Also the Northern parts of North America (coast to coast in Canada, south in east to Virginia and the Great Lakes States) ( a Holarctic distribution).In addition, it is found in Greenland and Iceland.In the South in Northern Spain and on the Balkan peninsula. ==Description== :''See glossary for terms used'' The wingspan is 50–60 mm.Forewing pale grey, more or less suffused with dark grey; a black streak from base below cell; stigmata large, grey, with black outlines, the cell dark: inner and outer lines filled in with whitish; submarginal line formed of large black and white teeth; hindwing fuscous, the fringe white. This fine species occurs - The form ''implicata'' is nearly black, a mountain form, found in Finland, on the Harz Mts. in Germany, and in Scotland. — ab. ''extricata'' Zett. from Lapland is an intermediate form..〔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 〕 It has been suggested, based partly on pupal remains in peat, that outbreaks of this species played a role in the collapse of Viking settlements in Greenland.〔Iversen, J. (1934). Moorgeologische Untersuchungen auf Grönland. Meddelelser fra Geologiske Foreningen 8: 342-358〕〔Iversen, J. (1954). Origin of the flora of western Greenland in the light of pollen analysis. Oikos 4: 85-103〕 These deposits at Anavik are now dried out and any potential evidence has been lost. Larva brown, darker-mottled: dorsal and subdorsal lines yellowish; spiracular white; a series of oblique lateral dark stripes; on various low plants. The larvae feed on ''Myrica gale'', ''Vaccinium'', Birch, Willow and other herbaceous plants. . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Eurois occulta」の詳細全文を読む スポンサード リンク
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