Acosmetia caliginosa

Acosmetia caliginosa, the reddish buff, is a moth of the family Noctuidae. The species was first described by Jacob Hübner in 1813. It is found throughout continental Europe and in southern Scandinavia.[1][2] then east across the Palearctic to Siberia.

Acosmetia caliginosa
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Noctuidae
Genus:
Acosmetia
Species:
A. caliginosa
Binomial name
Acosmetia caliginosa
(Hübner, 1813)
Synonyms

Noctua caliginosa Hübner, 1813
Anthophila litorea Freyer, 1845
Acosmetia aquatilis Guenée, 1852
Acosmetia tristis Teich, 1896

In Britain it is rare and has protected status, being possibly confined to a single site on the Isle of Wight.[3]

Technical description and variation
For a key to the terms used, see Glossary of entomology terms.

Its forewings are brownish grey frosted with paler dusting; the inner and outer lines dark, the inner outwardly curved; the outer waved and dentate, indented above and below middle, the teeth forming a second line beyond the first; stigmata pale, very obscure; a pale waved submarginal line inwardly shaded with brown; hindwing silky grey, darker towards termen; — the form aquatilis Guen., from Asia, is paler, the forewing yellowish grey. Larva sap green with the segmental incisions yellow; the lines white, slender.[4] The wingspan is 23–30 mm: females are smaller than males.[2][5]

Biology

The moth flies in June and July.

The larvae feed on saw-wort (Serratula tinctoria).[5][6]

References
  1. Savela, Markku, ed. (September 21, 2019). "Acosmetia caliginosa (Hübner, [1813])". Lepidoptera and Some Other Life Forms. Retrieved 8 January 2021.
  2. Gustafsson, Bert (8 October 2009). "Acosmetia caliginosa (Hübner, 1813)" (in Swedish). Naturhistoriska riksmuseet. Retrieved 8 January 2021.
  3. Wall, Mike. "2393 Reddish Buff (Acosmetia caliginosa)". Hants Moths. Retrieved 7 January 2013.
  4. 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.
  5. Kimber, Ian. "73.078 BF2393 Reddish Buff Acosmetia caliginosa (Hübner, [1813])". UKMoths. Retrieved 8 January 2021.
  6. Wikisource:The Moths of the British Isles/Chapter 15#321


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