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Erebia cassioides

(Redirected from Common brassy ringlet)

Erebia cassioides, the common brassy ringlet, is a member of the subfamily Satyrinae of family Nymphalidae.

Common brassy ringlet
E. c. arvernensis - female upperside
E. c. arvernensis - underside
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Erebia
Species:
E. cassioides
Binomial name
Erebia cassioides
(Reiner & Hohenwarth, 1792)
Synonyms
  • Papilio cassioides Reiner & Hohenwarth, 1792

Subspecies

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Subspecies include:[1]

  • Erebia cassioides cassioides – common brassy ringlet
  • Erebia cassioides arvernensis Oberthür 1908 - western brassy ringlet[2]
  • Erebia cassioides carmenta Fruhstorfer, 1907 - western brassy ringlet[3]
  • Erebia cassioides macedonica Buresch, 1918 (Bulgaria)
  • Erebia cassioides illyrica Lorkovic, 1953
  • Erebia cassioides tonalensis Arnscheid & Roos, 1976

On the basis of studies of enzymatic electrophoresis and of mitochondrial DNA the subspecies Erebia cassioides arvernensis should be considered a distinct species named Erebia dromus (Fabricius, 1793),[4] which is distributed in the western Pyrenees, in the western Alps and in Apennines.[5][6]

Distribution and habitat

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This European endemic species is present in Spain (Cantabrian mountains, Pyrenees), France (Pyrenees, Massif Central and the western and eastern Alps), Italy, Switzerland, Romania (Carpathians), Bulgaria (Rila and Pirin Mountains.), Greece, North Macedonia and in the Balkans (Serbia, Montenegro, Albania and Bosnia). It prefers grassy slopes with stones and rocks at altitudes between 1,600 and 2,600 meters.[7][8][9]

Description

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The wingspan is 32–38 mm.[10] These small butterflies have a brown forewings with a metallic-greenish shine, the so-called "brassy ringlet". On the forewings there is an orange postdiscal band and two small ocelli pupillated with white towards the apex. A series of small ocelli appears on the hindwings. The underside of the forewings is orange with a brownish border and two small ocelli at the apex, while the hindwings are shiny silvery gray and ocher.[11]

Taxonomy

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E. cassioides is a member of the brassy ringlet species complex.

Biology

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The females lay their eggs close to the ground, usually on dry stalks of grass. The larvae feed on various grasses (Festuca ovina, Poa species, Nardus stricta), including Gramineae species. The caterpillar hibernates in the first or second larval instar and pupates the following year between June and August.[7] Adults fly from July to September with a peak in August.

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  •  
    Upperside
  •  
    Underside
  •  
    Erebia cassioides arvernensis

Bibliography

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  • Albre (Jérôme), Gers (Charles) & Legal (Luc), 2008. Taxonomic notes on the species of the Erebia tyndarus group (Lepidoptera, Nymphalidae, Satyridae). Lépidoptères- Revue des Lépidoptéristes de France, vol. 17- N°39 : 12 - 28.
  • Guide des papillons d'Europe et d'Afrique du Nord de Tom Tolman, Richard Lewington, éditions Delachaux et Niestlé, 1998 - (ISBN 2-603-01114-6)
  • van Swaay, C., Wynhoff, I., Verovnik, R., Wiemers, M., López Munguira, M., Maes, D., Sasic, M., Verstrael, T., Warren, M. & Settele, J. 2010. Erebia cassioides.

References

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  1. ^ "Erebia Dalman, 1816" at Markku Savela's Lepidoptera and Some Other Life Forms
  2. ^ INPN
  3. ^ NCBI
  4. ^ Catalogue of life
  5. ^ "Acta Plantarum". Archived from the original on 2014-07-09. Retrieved 2017-01-23.
  6. ^ Inaturalist
  7. ^ a b IUCN
  8. ^ Eurobutterflies
  9. ^ Fauna europaea
  10. ^ "Butterfly Guide". Archived from the original on 2019-07-22. Retrieved 2017-01-23.
  11. ^ Jérôme Albre, Charles Gers, Paul Sabatier Taxonomic notes on the species of the Erebia tyndarus group (Lepidoptera, Nymphalidae, Satyrinae)
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