Cupido alcetas

Provençal short-tailed blue
In the Republic of Macedonia
Scientific classification
Kingdom:Animalia
Clade:Euarthropoda
Class:Insecta
Order:Lepidoptera
Family:Lycaenidae
Genus:Cupido
Species: C. alcetas
Binomial name
Cupido alcetas
(Hoffmannsegg, 1804)
Synonyms
  • Everes alcetas
  • Papilio coretas Ochsenheimer, 1808

Cupido alcetas, the Provençal short-tailed blue, is a small butterfly that belongs to the family Lycaenidae.

Etymology

The Latin species name alcetas refers to Ἄλκηστις (Alcestis), in Greek mythology a princess daughter of Pelias, king of Iolcus.

Distribution

First described from Austria by Johann Centurius Hoffmannsegg in 1804, it occurs locally in southern and central Europe, Turkey, the Urals, southern Siberia and northern Kazakhstan.[1][2][3][4]

Habitat

This species lives in flowery grassy places, bushy and damp areas and woodland clearings at an elevation of 50–1,200 metres (160–3,940 ft) above sea level.[4][5]

Description

Mating pair

Cupido alcetas has a wingspan of 26–32 millimetres (1.0–1.3 in).[5] In these small butterflies the upperside of the wings is blue-purple in males, brown in females (sexual dimorphism). The wing edge is black, with a white fringe. The underface of the wings is pale blue-gray, with a series of small black spots encircled with clearer blue. On the underside hindwings usually there is no orange. Sometimes it is present a single orange-colored anal spot that does not reach the marginal black spot. Close to the anal angle usually is present a thin, very short tail.[4]

This species is similar to the Short-tailed blue (Everes argiades) and to the Holly blue (Celastrina argiolus).[4][5]

Biology

Adults fly from May to September.[5] Depending on the location, the species produces two to three generations annually (in May–June, July–August and in warmer regions in late September).[1][2][4][6] Larvae feed on leaves and inflorescences of various herbaceous plants of the family Fabaceae (such as Coronilla varia sp.,[1] Galega officinalis sp.,[1][2] Trifolium sp.,[1] Vicia sp.,[1] Medicago lupulina and Securigera varia).[6]

These larvae are myrmecophiles, living in association with ants of the genus Formica.[1]

References

  1. 1 2 3 4 5 6 7 Львовский А.Л., Моргун Д.В. 2007. Булавоусые чешуекрылые Восточной Европы. Москва: КМК. ISBN 978-5-87317-362-4. p. 230
  2. 1 2 3 Tolman, Tom & Richard Lewington. 1997. Butterflies of Britain and Europe. Field Guide. London: Collins. ISBN 0-00-219992-0.
  3. ↑ Fauna europaea
  4. 1 2 3 4 5 Eurobutterflies.com
  5. 1 2 3 4 Simon Coombes Captain's European Butterfly Guide
  6. 1 2 Pieris.ch


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