Cupido alcetas
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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 Script error: No such module "convert". above sea level.[4][5]
Description
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Cupido alcetas has a wingspan of Script error: No such module "convert"..[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 (Cupido argiades) and (less so) to the Holly blue (Celastrina argiolus).[4][5] The Eastern Short-tailed Blue ( Cupido decolorata ) can be differentiated by a black discoid spot on the upper surface of the forewings. However, a genital morphological examination is recommended for reliable identification . The short-tailed blue ( Everes argiades ) differs in that there are always two orange spots at the anal angle on the underside of the wings.
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,[1] Galega officinalis,[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
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- ↑ a b c d e f g Львовский А.Л., Моргун Д.В. 2007. Булавоусые чешуекрылые Восточной Европы. Москва: КМК. Template:ISBN. p. 230
- ↑ a b c Tolman, Tom & Richard Lewington. 1997. Butterflies of Britain and Europe. Field Guide. London: Collins. Template:ISBN.
- ↑ Fauna europaea
- ↑ a b c d e Eurobutterflies.com
- ↑ a b c d Simon Coombes Captain's European Butterfly Guide Script error: No such module "webarchive".
- ↑ a b Pieris.ch
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External links
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- Cupido alcetas at Markku Savela's website on Lepidoptera
- Paolo Mazzei, Daniel Morel, Raniero Panfili Moths and Butterflies of Europe and North Africa
- Lepiforum.de