Polia nebulosa
| Polia nebulosa | |
|---|---|
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Noctuidae |
| Genus: | Polia |
| Species: | P. nebulosa |
| Binomial name | |
| Polia nebulosa (Hufnagel, 1766) | |
| Synonyms | |
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The Grey Arches (Polia nebulosa) is a moth of the Noctuidae family. It is found in temperate Europe and Asia up to eastern Asia and Japan. It is not present in northernmost Fennoscandia and the southern parts of the Iberian Peninsula, Italy and Greece. In the Alps it is found on heights up to 1,600 meters.
Technical Description and variation
- See glossary for terms used
Forewing white tinged with brownish grey; stigmata as in advena and tincta; submarginal line preceded by black wedge-shaped marks, with one more conspicuous before the indentation of submedian fold; hindwing dull whitish, with , cellspot, veins, and a broad marginal border smoky fuscous ; — ab. pallida Tutt represents a very white form taken in Scotland, with many of the dark transverse markings obsolete; — bimaculosa Esp. is the darker grey form with blacker markings; — robsoni Collins is a strong melanic form from Cheshire in the W. of England only; there are also two aberrations from E. Asia, — asiatica Stgr. (= lama Stgr.) being dull grey and smaller than typical, whileaskolda Oberth. from Askold Island [now ssp.] is a large brown form; — ab. calabrica nov. [Warren] is a very large form; the forewing with pale blue-grey ground colour, irrorated and suffused with dark grey in basal half (in one example all over the forewing), with all the lines and stigmata strongly expressed in black and pale grey, the submarginal line in particular being continuous, black and dentate, the hindwing is likewise much darker, with all the veins, the cellspot, and outer line wellmarked; a series of 4 males, 10 females, in the Tring Museum, taken on the Sila Mts., near Botte Donata, Calabria, 800-1000 m, July 1907, by Dr. 0. Neumann.This form reminds one somewhat of Polia goliath Oberth. [1]
Biology
The wingspan is 41–52 mm. Adults are in wing from the May to August in one generation.
Larva brownish grey or luteous, with blackish freckles; large dark dorsal spots divided by the pale dorsal line, with short black oblique stripes.The larvae feed on the leaves of various plants, including Salix, Rubus and Prunus species as well as Urtica dioica.[2]
References
- ↑ 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
- ↑ "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London.".
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