Blue spot hairstreak

Satyrium spini

''Satyrium spini'', the blue spot hairstreak, is a butterfly in the family Lycaenidae.
Satyrium spini Satyrium spini, copula.
on Ruta montana Blue spot hairstreak,Lycaenidae,Satyrium spini,arthopoda,butterfly,insecta,insects,ruta montana,spring

Appearance

''Satyrium spini'' has frontwings reaching 14–16 millimetres in males, 15–17 millimetres in females. The basic color of the upperside of the wings is brownish, while the underside is yellowish-beige. In the females the upperside of the hindwings usually shows brownish-orange spots on the edge. The underside of the hindwings has a large blue spot and a few orange black bordered spots. The underside of forewings and hindwinhs is crossed by a bright white transverse line. Hind wings have short tails.

Naming

Subspecies include:
⤷  ''Satyrium spini spini'' –
⤷  ''Satyrium spini melantho'' –

Distribution

The blue spot hairstreak lives in southern and middle Europe up to approximately 54° N. It is also found in Asia Minor, Lebanon, Iraq, Iran, South Urals. It is not found in the northwest of France, the Netherlands, Scandinavia, Estonia or Latvia. It is also not found in large parts of Italy and on most Mediterranean islands. It inhabits open shrubby places, grassy areas, mountain meadows and woodland clearings, from low levels to about 2000 m.

Behavior

It is an univoltine species. Adults fly from late May to early August, depending on location. Caterpillars feed on ''Rhamnus'', ''Prunus'', ''Frangula alnus'', ''Frangula daurica'', ''Sorbus'' and ''Malus''.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyLycaenidae
GenusSatyrium
SpeciesS. spini
Photographed in
Portugal