Diarsia brunnea

Diarsia brunnea, the purple clay, is a moth of the family Noctuidae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. It is found in most of Europe, east to Transcaucasia, the Caucasus, central Asia, Siberia, the Kuriles, Amur, Ussuri, Sakhalin, Korea, Japan, Tibet and China.

Diarsia brunnea
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Noctuidae
Genus:
Diarsia
Species:
D. brunnea
Binomial name
Diarsia brunnea
Synonyms
  • Noctua brunnea [Schiffermüller], 1775
  • Phalaena (Noctua) lucifera Esper, 1789
  • Phalaena (Noctua) lucifera Esper, 1798
  • Phalaena (Noctua) arvensis Gmelin, [1790]
  • Noctua carnea Thunberg, 1792
  • Phalaena (Noctua) fragariae Borkhausen, 1792

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

The wingspan is 35–38 mm. Forewing pinkish or purplish-plum coloured; the costal half with a fulvous and yellow tinge; cell deep olive brown; claviform marked by a dark spot at its end; orbicular oblong, of the ground colour; reniform outlined or filled with ochreous; hindwing luteous (muddy yellow) fuscous; cilia pink.[1]

Adults are on wing from July to August.

Larva
Habitat in Italy

Larva dark brown; dorsal and subdorsal lines pale, lateral lines whitish; a row of pale yellow dark-edged oblique stripes, and a yellow stripe across segment 11. The larvae feed on a wide range of herbaceous plants and shrubs, including Rumex species (including Rumex acetosella), Dryopteris filix-mas, Luzula sylvatica, Deschampsia flexuosa, Brachypodium sylvaticum, Vaccinium myrtillus, Vaccinium uliginosum, Prunus spinosa, Primula, Rubus, Urtica, Salix and Betula.[2]

Subspecies
  • Diarsia brunnea brunnea (Europe, Transcaucasia, Caucasus, central Asia, Siberia)
  • Diarsia brunnea urupina (Kuriles, Amur, Ussuri, Sakhalin, Korea, Japan, Tibet, China)

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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