Ideopsis vulgaris
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| Ideopsis vulgaris (Linnaeus, 1758) |
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Danais vulgaris |
The Blue Glassy Tiger (Ideopsis vulgaris) is a butterfly found in India that belongs to the Crows and Tigers, that is, the Danaid group of the Brush-footed butterflies family.
[edit] Description
Upperside black, the dorsal margin of hind wing broadly cinereous ; both wings with the following subhyaline bluish-white streaks and spots :—fore wing: a short streak along dorsal margin, two broad streaks united at base in interspace 1, the upper one curved, a broad streak in cell with an outwardly indented detached spot beyond it in apex, a slender costal streak, two large discal spots inwardly pointed, outwardly truncate, three elongate spots beyond apex of cell and four or five elongate preapical spots beyond them, finally a subterminal and a terminal series of spots decreasing in size towards apex of wing. Hind wing : elongate streaks in interspaces 1 a and 1 b, two in interspace 1, two in cell with a short slender streak-obliquely between their apices, shorter streaks radiating outwards in interspaces 2-6, a sub-terminal series of small spots and a terminal row of dots beyond. Underside similar, the markings better defined. Antennae black, palpi black above, bluish white below; head and thorax black, spotted with bluish white; abdomen brown above, sullied white below. Male without any special sex-marks on the wings.[1]
Race exprompta, Butler (Sri Lanka). Closely resembles D. vulgaris Butler, but has all the markings much broader, the apical spot in cell of fore wing outwardly less emarginate; on the hind wing interspaces 1 a and 1 b are entirely filled with the white streak, while the short slender streak lying between the apices of the streaks in the cell coalesces with the lower one.
Race nicobarica, W.-M. & de N. (Nicobar Islands). Like the preceding race, but the subhyaline markings still broader and somewhat blurred. Upperside :—fore wing : the whole basal two-thirds of interspace 1 bluish white, enclosing a fine longitudinal black line ; streak in discoidal cell vary broad, occasionally produced to the apical spot in the cell. Hind wing: the black in interspace 1 reduced to a mere streak; cell entirely bluish white, traversed longitudinally by a faint black forked line. In the solitary specimen of the male in the collection of the British Museum this line is entirely absent.
[edit] References
- ^ Bingham, C. T. (1905) Fauna of British India. Butterflies. Vol 1
