''Cupido alcetas'', the Provençal short-tailed blue, is a small

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprise ...

that belongs to the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterf ...

Etymology

The Latin species name ''alcetas'' refers to Ἄλκηστις (

Alcestis Alcestis (; Ancient Greek: Ἄλκηστις, ') or Alceste, was a princess in Greek mythology, known for her love of her husband. Her life story was told by pseudo-Apollodorus in his '' Bibliotheca'', and a version of her death and return from t ...

), in Greek mythology a princess daughter of

Pelias Pelias ( ; Ancient Greek: Πελίας) was king of Iolcus in Greek mythology. He was the one who sent Jason on the quest for the Golden Fleece. Family Pelias was the son of Tyro and Poseidon. His wife is recorded as either Anaxibia, daughte ...

, king of

Iolcus Iolcus (; also rendered ''Iolkos'' ; grc, Ἰωλκός and Ἰαωλκός; grc-x-doric, Ἰαλκός; ell, Ιωλκός) is an ancient city, a modern village and a former municipality in Magnesia, Thessaly, Greece. Since the 2011 local gove ...

Distribution

First described from

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

Johann Centurius Hoffmannsegg Johann Centurius Hoffmann Graf von Hoffmannsegg (23 August 1766 – 13 December 1849) was a German botanist, entomologist and ornithologist. Hoffmannsegg was born at Rammenau and studied at Leipzig and Göttingen. He travelled through Euro ...

in 1804, it occurs locally in southern and central Europe,

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...

, the

Urals The Ural Mountains ( ; rus, Ура́льские го́ры, r=Uralskiye gory, p=ʊˈralʲskʲɪjə ˈɡorɨ; ba, Урал тауҙары) or simply the Urals, are a mountain range that runs approximately from north to south through western ...

, southern

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive region, geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a ...

and northern

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...

.Львовский А.Л., Моргун Д.В. 2007. Булавоусые чешуекрылые Восточной Европы. Москва: КМК. . p. 230Tolman, Tom & Richard Lewington. 1997. ''Butterflies of Britain and Europe. Field Guide.'' London: Collins. .Fauna europaea
/ref>

Habitat

This species lives in flowery grassy places, bushy and damp areas and woodland clearings at an elevation of above sea level.Eurobutterflies.com
/ref>Simon Coombe

Description

Lycaenidae - Cupido (Everes) alcetas (mating)

''Cupido alcetas'' has a

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan o ...

of . In these small butterflies the upperside of the wings is blue-purple in males, brown in females (

sexual dimorphism Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most an ...

). 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. This species is similar to the Short-tailed blue (''

Everes argiades The short-tailed blue or tailed Cupid (''Cupido argiades'') is a butterfly that forms part of the family Lycaenidae. It is found from Europe to Japan and in India. Description The male has a violet upperside, a violet forewing with brown edgin ...

'') and to the Holly blue ('' Celastrina argiolus'').

Biology

Adults fly from May to September. Depending on the location, the species produces two to three generations annually (in May–June, July–August and in warmer regions in late September). Larvae feed on leaves and inflorescences of various herbaceous plants of the family Fabaceae (such as ''

Coronilla varia ''Securigera varia'' ( synonym ''Coronilla varia''), commonly known as crownvetch or purple crown vetch, is a low-growing legume vine. It is native to Africa, Asia and Europe and is commonly used throughout the United States and Canada for eros ...

'', ''

Galega officinalis ''Galega officinalis'', commonly known as galega or goat's-rue, is an herbaceous plant in the subfamily Faboideae of the legume family Fabaceae. It is native to parts of northern Africa, western Asia and Europe, but is widely cultivated and natu ...

'', ''

Trifolium Clover or trefoil are common names for plants of the genus ''Trifolium'' (from Latin ''tres'' 'three' + ''folium'' 'leaf'), consisting of about 300 species of flowering plants in the legume or pea family Fabaceae originating in Europe. The genus ...

'' sp., ''

Vicia ''Vicia'' is a genus of over 240 species of flowering plants that are part of the legume family (Fabaceae), and which are commonly known as vetches. Member species are native to Europe, North America, South America, Asia and Africa. Some other ...

'' sp., ''

Medicago lupulina ''Medicago lupulina'', commonly known as black medick, nonesuch, or hop clover, is a plant of dry grassland belonging to the legume or clover family. Plants of the genus '' Medicago'', or bur clovers, are closely related to the true clovers ('' ...

'' and ''

Securigera varia ''Securigera varia'' ( synonym ''Coronilla varia''), commonly known as crownvetch or purple crown vetch, is a low-growing legume vine. It is native to Africa, Asia and Europe and is commonly used throughout the United States and Canada for eros ...

'').Pieris.ch
/ref> These larvae are

myrmecophile Myrmecophily ( , ) is the term applied to positive interspecies associations between ants and a variety of other organisms, such as plants, other arthropods, and fungi. Myrmecophily refers to mutualistic associations with ants, though in its m ...

s, living in association with ants of the genus ''

Formica ''Formica'' is a genus of ants of the family Formicidae, commonly known as wood ants, mound ants, thatching ants, and field ants. ''Formica'' is the type genus of the Formicidae, and of the subfamily Formicinae. The type species of genus ''For ...

''.

References

External links

''Cupido alcetas''
at Markku Savela's website on Lepidoptera * Paolo Mazzei, Daniel Morel, Raniero Panfil

* ttp://www.lepiforum.de/lepiwiki.pl?Cupido_Alcetas Lepiforum.de Cupido (butterfly) Butterflies of Europe Butterflies described in 1804 Taxa named by Johann Centurius Hoffmannsegg {{Polyommatini-stub