Lithacodia uncula

Silver hook
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Lithacodia
Species:	L. uncula
Binomial name
	Lithacodia uncula; (Clerck, 1759)
Synonyms
	Deltote uncula (Clerck, 1759); Phalaena uncula; Phalaena singularis; Noctua unca; Eustrotia uncula;

Lithacodia uncula, the silver hook, is a moth of the family Noctuidae. The species was first described by Carl Alexander Clerck in 1759. It is found in the Palearctic realm.

Distribution

Lithacodia uncula has a vast distribution area ranging from the French western Pyrenees to Japan. In the north it extends to south and central England, Ireland, Scandinavia in the areas around the Baltic Sea, in Finland and northern Russia. Largely missing in the Mediterranean with the exception of two smaller occurrences on the French Mediterranean coast and in Tuscany, as well as on the northern Adriatic coast (in northern Italy, Slovenia and Croatia). In south-eastern Europe the distribution area stretches far to the south to northern Albania and northern Greece. From there it runs east (Russian Far East, northern China, Japan, Korea). Also to the south in Bulgaria, Ukraine, Crimea and southern Russia, Central Asia and Siberia.

Description

The wingspan is 20–22 mm. Wings short and broad. Forewing olive brown, darker in disc; a broad tannish-peach coloured streak along the costa and another on the inner margin; the orbicular and reniform stigmata tannish peach, whiter edged, confluent with the costal streak; some pale lines before termen, straight and parallel, the innermost white; hindwing paler; the dark-suffused examples are named obscurior Spul.^[1]

Biology

The moth flies from May to September depending on the location.

Larva green with the dorsal line darker; the subdorsal lines whitish; the spiracular pale yellow. The larvae feed on various grasses and Carex species.^[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, Gaden S.; Ackery, Phillip R.; Kitching, Ian J.; Beccaloni, George W. & Hernández, Luis M. (2010). "Search the database - introduction and help". HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London.

External links

Kimber, Ian. "73.026 BF2412 Silver Hook Deltote uncula (Clerck, 1759)". UKMoths. Retrieved 30 September 2020.
Savela, Markku, ed. (25 June 2020). "Deltote uncula (Clerck, 1759)". Lepidoptera and Some Other Life Forms. Retrieved 30 September 2020.
"09117 Deltote uncula (Clerck, 1759) - Ried-Grasmotteneulchen" Lepiforum e. V. Retrieved 30 September 2020. (in German)
"Zilverhaak Deltote uncula". De Vlinderstichting. Retrieved 30 September 2020. (in Dutch)]

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[1] 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

[2] Robinson, Gaden S.; Ackery, Phillip R.; Kitching, Ian J.; Beccaloni, George W. & Hernández, Luis M. (2010). "Search the database - introduction and help". HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London.

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