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Xylena vetusta
The Red Sword-grass (''Xylena vetusta'') is species of moth of the Noctuidae family. It is a Palearctic ecozone species found from north-western Africa through Europe and Asia up to central Siberia . North, it is found up to the Polar circle and Iceland.
==Technical Description and variation==
:''See glossary for terms used''
The wingspan is 52–65 mm.
Forewing long and narrow.Forewing pale greyish ochreous, the inner marginal half suffused with fuscous, or blackish brown, less strongly beyond middle; orbicular stigma obsolescent, marked by a brown dot or two, rarely outlined; reniform large, pale, with double brown outline, followed by a patch of brown scaling,joined by a black brown sagittate mark to the pale serrate subterminal line; a diffuse black blotch in the dark scaling represents the claviform stigma; lines very indistinct, indicated by dark vein spots; hindwing brownish fuscous.In the ab. ''albida'' Spul. a diffuse streak of white scales runs from base along the middle of wing extending to the space below the reniform and obliquely upwards to apex; in the females the dark markings are more mixed with blackish grey and in the males with brown; in ab. ''brunnea'' Tutt the ground colour is brighter ochreous, and the dark shading brown or black brown, the grey and white scaling being altogether absent. 〔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 〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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