Apamea zeta is a moth of the family Noctuidae. It has a Holarctic distribution, and can be found throughout the Northern Hemisphere. It occurs throughout Europe and the northern half of North America.
Technical description and variation
C. zeta Tr. (41 e). Forewing dull grey green overlaid with hoary grey scales; inner and outer lines black, conversely edged with hoary grey and lunulate-dentate; the outer line sinuate, not indented below middle; stigmata grey edged with black, the two upper separated by the well marked blackish median shade; submarginal line pale, often broken up, indented on the folds, preceded by black wedge-shapedmarks; hindwing fuscous, paler towards base; the whole forewing has a mealy appearance, and in paler examples the markings are often much obscured; — ab. pernix Hbn.-C. (= clandestina Bsd.) (41 e), is the darkest form, with the markings plainest; — curoi Calb. (41 e), from Italy, is chalk grey, glossy, more like a very pale examples of platinea, with the lines and outlines of stigmata finely blackish grey, the median shade and submarginal line slightly marked in grey, the orbicular absent, and the reniform smaller; the head, thorax, and abdomen are as pale as the forewings and all without grey dusting; the hindwing pale dirty grey with dark cellspot and veins, and black marginal lunules; — ab. zetina Stgr., [now full species Haderonia zetina (Staudinger, 1900)] from the Thian-Shan Mts., is described as smaller: the forewings greenish grey, with the markings distinct; a form with the whole forewing uniform grey without markings except the pale reniform, as far as subterminal line, which is conspicuously pale preceded by a dark shade, and with the terminal area beyond quite pale, from Silvaplana, in the Engadine,Switzerland, may be distinguished as ab. marginata ab. nov. (41 e);in transversata ab.nov. (41 e) the forewing shows the median shade crossing it as a strong blackish band; — in rivalis Guen. (? Friv.) (41 e), the forewing is much varied with yellow scales, the locality given being Mountains near the Sea of Marmora. The wingspan is 43–50 mm.
Adults are on wing from July to August in Britain.
- Apamea zeta assimilis – Northern Arches
- Apamea zeta cyanochlora (Bulgaria)
- Apamea zeta downesi Mikkola, 2009 (North America)
- Apamea zeta hellernica (Greece)
- Apamea zeta marmorata – The Exile
- Apamea zeta murrayi (Gibson, 1920) (North America)
- Apamea zeta nichollae Hampson, 1908 (North America)
- Apamea zeta pelagica Mikkola, 2009 (North America)
- Apamea zeta sanderkovacsi (Romania)
- Apamea zeta zeta (most of Europe)
Former subspecies Apamea zeta alticola is now considered a valid species, Apamea alticola (Smith, 1891).
- Apamea zeta. Pacific Northwest Moths.
- 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 This article incorporates text from this source, which is in the public domain.
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