Eugraphe sigma
{{short description|Species of moth}}
{{Speciesbox
| image = Eugraphe sigma1.jpg
| taxon = Eugraphe sigma
| authority = (Schiffermüller, 1775)
| synonyms =
- Noctua sigma Denis & Schiffermuller, 1775
- Agrotis signum
- Noctua characterea [Schiffermüller], 1775
- Phalaena (Noctua) characterea Esper, [1803]
- Phalaena (Noctua) ditrapezium Esper, [1803]
- Phalaena (Noctua) characterea Esper, 1790
- Phalaena (Noctua) nubila Esper, 1789
- Phalaena (Noctua) nubila Esper, 1798
- Phalaena (Noctua) ditrapezium Esper, 1790
- Noctua signum Fabricius, 1787
- Noctua umbra Vieweg, 1789
- Noctua signa Hampson, 1903
- Noctua terminalis Strand, 1915
- Eugraphe sigma f. obscura Lempke, 1939
- Eugraphe sigma f. rufa Lempke, 1939
}}
Eugraphe sigma is a moth of the family Noctuidae. It is found from most of Europe (except Ireland, Great Britain, the Iberian Peninsula and Greece)[https://web.archive.org/web/20160304230331/http://www.faunaeur.org/full_results.php?id=448739 Fauna Europaea] to the Ural, Siberia, Transcaucasia, Armenia and Korea.[http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/noctuoidea/noctuidae/noctuinae/eugraphe/index.html Eugraphe at funet]
Description
The length of the forewings is 17–20 mm.Warren states R. sigma Schiff. (= characterea Esp., ditrapezium Esp. nec Schiff., signum Fab., umbra View.) (10 a).
Forewing black brown or deep brown, with a faint vinous tinge; costal area diffusely brownish-ochreous;the lines ochreous; cell dark brown; upper stigmata large, grey with black edges; claviform small, blackish;hind-wing dark fuscous. A central European species found in France, Switzerland, Germany and Austria;also in Armenia, Siberia and Amurland. Larva reddish yellow, with dorsal and lateral lines white; a dark oblique bar on each segment with a white dot above it; feeds on low plants. - The form nubila Esp. has the costal and apical areas of forewing dull woodcolour.
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 {{PD-notice}}
Subspecies
- Eugraphe sigma sigma
- Eugraphe sigma melancholina Bryk, 1949 (Korea)
- Eugraphe sigma anthracina Boursin, 1954
Biology
Adults are on wing from June to July in one generation per year.[http://www.vlindernet.nl/vlindersoort.php?vlinderid=570 Vlindernet]
The larvae feed on various low-growing plants, including Lamium album, Viburnum lantana, Laburnum anagyroides, Prunus spinosa, Lonicera and Ligustrum species.
References
{{Reflist}}
{{Taxonbar|from=Q2374186}}
Category:Moths described in 1775
Category:Taxa named by Ignaz Schiffermüller
{{Noctuinae-stub}}