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Tholera cespitis, the hedge rustic, is a moth of the family Noctuidae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found through the Palearctic from Europe to the Altai Mountains of Siberia.

Tholera cespitis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Noctuidae
Genus:
Tholera
Species:
T. cespitis
Binomial name
Tholera cespitis
(Denis & Schiffermüller, 1775)
Synonyms
  • Noctua cespitis Denis & Schiffermüller, 1775
  • Noctua hordei Schrank, 1801
  • Agrotis autumnalis Stephens, 1827
  • Charaeas confinis Stephens, 1829
  • Apamea chloris Milliére, 1883
  • Neuronia cespitis var. decolor Sohn-Rethel, 1896

Technical description and variation


For a key to the terms used, see Glossary of entomology terms.

The wingspan is 34–40 mm. The forewings are dark earth brown; lines indistinct; inner and outer black with paler edges; submarginal pale, with black wedge-shaped spots before it; claviform stigma obscure, black-edged; orbicular roundish, brown with pale ring; reniform large with paler outline, especially externally; hindwing whitish, the veins dark; termen diffusely brownish; in male white, with termen narrowly grey; — ab. ferruginea Hofm. (Carinthia and the Tyrol) is much paler with a reddish-yellow tint.[1]

Figs. 4 young larva 4a half grown larva 4b, 4c larva after last moult
Figs. 4 young larva 4a half grown larva 4b, 4c larva after last moult

Biology


There is one generation per year with adults on wing from the end of July to September.

Larva shining dark brown; thoracic and anal plates black; head brown; dorsal and subdorsal lines narrow, pale yellow; lateral stripe broader; spiracles black. The larvae feed on various grasses, including Nardus stricta, Calamagrostis purpurea, Festuca and Deschampsia species.[2] Larvae can be found from March to July. The species overwinters as an egg.


Subspecies



References


  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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