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The Crescent Dart (''Agrotis trux'') is a moth of the Noctuidae family. It has a Circum-Mediterranean distribution and is found along the coasts of France, Ireland, England, South Europe, Algeria, Syria, Iraq, Iran South Russia and the Arabian Peninsula. In Africa, it is found as far south as South Africa. ==Description== :''See glossary for terms used'' The wingspan is 35–42 mm. Forewing ochreous grey, dappled and striated, and often, especially in the females, suffused with dark fuscous; claviform stigma black-edged; reniform large, filled in with black; orbicular small, round, with a pale ring; fringe rufous; hindwing dull whitish, with fuscous terminal suffusion, broader in female; or with a curved row of dark dashes on veins and no suffusion; a variable species, occurring throughout S. Europe, in Algeria, the Canaries, S. Russia and Asia Minor; — in ab. ''olivina'' Stgr. the forewing is smooth olivegrey, with no or little irroration, the markings concisely red-brown: - ab. ''terranea'' Frr. has the suffusion and markings rufous; — ab. ''amasina'' Stgr. is fuscous grey, with blackish median shade, the ground colour darker in the female; — subsp. ''lunigera'' Stph. Forewing fuscous or pale grey, varied with yellowish; the lines distinct; orbicular stigma small; reniform large, and blackish; claviform black; occurs on the south coast of England and Ireland; — ab. ''pallida Tutt'' is whitish grey with a slaty tinge, not irrorated with yellow; — ab. ''virgata'' Tutt with a dark shade before reniform stigma and the outer third of wing dark; — ab. ''suffusa'' Tutt has the whole wing suffused with , blackish grey, except the pale orbicular and a small patch between reniform and outer line; — ab. ''nigra'' Tutt has the forewing unicolorous blackish, the lines and stigmata more intense, the orbicular sometimes visible ; — and ab. ''rufescens'' Tutt like the type but tinged throughout with reddish.〔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）』 ■ウィキペディアで「Agrotis trux」の詳細全文を読む スポンサード リンク
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