Banded Lineblue

Prosotas aluta

The Banded Lineblue
is a species of blue butterfly found in Asia.
Banded Line blue (Prosotas aluta coelestis) Banded Line blue (Prosotas aluta coelestis) from Nameri National Park Banded Lineblue,Geotagged,India,Prosotas aluta

Appearance

Race ''coelestis'': Male upperside: shining bluish with a purple flush in certain lights. Fore and hind wings: termen narrowly edged with fuscous black on which the jet-black anticiliary line on each wing is obscurely visible, the edging of fuscous black slightly widened anteriorly. Underside: dusky brown. Fore wing: a transverse, subbasal, broad, dark, brownish-black, white-margined band from the subcostal to vein 1, a similar band along the discoocellulars also extended to vein 1, an upper discal similar band from costa, curved a little outwards and stopping short at vein 3, followed by a postdiscal transverse series of dark spots which on the inner side are comparatively broadly, on the outer side very slenderly edged with white; succeeding which is a subterminal extremely slender series of transversely linear spots, a white line and a jet-black anticiliary line; cilia brown. Hind wing: three transversely arranged dark brownish-black spots; transverse similarly coloured subbasal and discal bands, both bands inwardly and outwardly edged with slender white lines and the discal band greatly and irregularly widened in the middle, where superposed on the dark background is a snow-white transverse spot; beyond these are a postdiscal series of comparatively broad white lunules, a subterminal very slender white lunular line, a terminal white thread and a jet-black slender anticiliary line; cilia shining silky brown; tail brown tipped with white. Antennae black, the shafts obscurely speckled with white; head black; thorax and abdomen bluish; beneath : palpi with blackish fringe, thorax and abdomen whitish.

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyLycaenidae
GenusProsotas
SpeciesP. aluta