Technical description and variation
''A. geminipuncta'' Haw. (= ''guttans'' Hbn., ''paludicola'' Hbn. f. 637, ''arundinis'' Sepp.) (49 g). Forewing reddish fuscous, with a broad paler space along the inner margin; the reniform stigma with two white spots; hindwing fuscous; the ground colour is very variable; — in ab. ''pallida'' Tutt it is reddish-or greyish ochreous; in ''rufa'' Tutt uniform reddish brown; and in ''nigricans'' Stgr. (= ''fusca'' Tutt) (49 g) sooty-black; from another point of view, the reniform stigma may contain, only one, — the lower, — white spot, or neither; ab. ''unipuncta'' Tutt (49 h) and ab. ''obsoleta'' Tutt (49 g) respectively; ab. ''paludicola'' Hbn. f. 624, if the figure is not exaggerated, represents a dark reddish brown specimen, with the median and costal veins white; a small black orbicular stigma and large black reniform with a white lunule on its inner edge; and all the veins white before termen; the hindwing grey, with paler base and a dark cellspot. Larva pinkish ochreous; the spiracular line paler; head dark brown. Warren. W. in 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 Its wingspan is 27–32 mm.Biology
The moth flies from June to October depending on location. The larvae feed on '' Phragmites'' species.References
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