Jamides celeno
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| Jamides celeno (Cramer, 1775) |
The Common Cerulean (Jamides celeno) is a small butterfly found in India that belongs to the Lycaenids or Blues family.
Contents |
[edit] Description
[edit] Dry-season brood
Male upperside: pale bluish white. Fore wing: terminal margin narrowly edged with black that broadens very slightly towards the apex of the wing; cilia brownish black. Hind wing: uniform, except for an anticiliary black line edged on the inner side somewhat obscurely by a white line within which and touching it is a row of black spots, the anterior spots very faint, the spot in interspace 2 large and well-defined, two geminate spots in interspace 1 and a very small black lunular dot in interspace la; cilia brown, white at the base in the interspaces. In specimens obtained in the height of the dry season the black edging to the termen of the fore wing is much reduced and the subterminal series of black spots in the hind wing is altogether obsolete. Underside: greyish brown. Fore wing: with seven transverse white fasciae as follows:—two short fasciae one each side of the discocellulars, the inner one continued downwards to vein 1 and both represented at the costa by two detached spots; two parallel discal fasciae, the inner oue broken at and the outer one terminating on vein 3; two parallel subterminal fasciae, the outer one slightly lunular; lastly, a more slender terminal fascia followed by an anticiliary slender black line; the dorsal margin narrowly white; cilia brownish black, their bases white in the interspaces. Hind wing: crossed by nine white fasciae or lines as follows :—three between base of wing and apex of cell, those posteriorly in interspace 1 or on vein 1 abruptly turn upwards and terminate on the dorsum ; the first fascia beyond the cell extends from rein 6 to vein 2, then curves upwards in interspace 1; the next extends straight from just below the costa to vein 4, thus overlapping the previous fascia for a short distance ; the next or postdiscal fascia runs between the costa and vein 3, the subterminal two also between the costa and vein 3 but the inner one of the two fascia is extended down to interspace 1 and there curves upwards towards the dorsum ; both the subterminal fasciae are more or less lunular; in the interspace below vein 2 is a large subterminal black spot speckled with metallic blue scales and bordered inwardly by ochraceous orange; there are also in interspaces la and 1 two black dots inwardly edged by a short white striga set in an ochraceous background ; lastly, there is a complete terminal white line followed by a black anticiliary line and a filamentous short black white-tipped tail at apex of vein 2 ; cilia as on the upperside. Antennae brownish black, the shafts as usual tinged with white; head, thorax and abdomen pale brown, bluish on thorax and base of abdomen; beneath : the palpi, thorax and abdomen white, the third joint of the palpi and the second joint anteriorly black.
Female upperside: ground-colour paler than in the male, often quite white; terminal black edging to fore wing very much broader, broadest at apex, its margin there diffuse. Hind wing: differs from that of the male as follows:—costal margin broadly dusky black; a postdiscal transverse series of dusky-black connected lunules often more or less obsolescent; this is followed by a series of black spots each set in a background of the white ground-colour; an anticiliary slender black line as in the male. Underside: ground-colour paler than in the male, the markings however, precisely similar. Antenna, head, thorax and abdomen as in the male.
[edit] Wet-season brood
Closely resembles the males and females of the dry-season brood: the markings are similar but the ground-colour is generally darker both on the upper and undersides, while the black edging to the fore wing and the black postdiscal and terminal markings to the hind wing on the upperside are broader and more clearly defined. Antennae, head, thorax and abdomen as in the dry-season brood.[1]
[edit] Larva
"When full-fed just half an inch in length, of a dull reddish-green colour, thickly shagreened with minute white tubercles, scarcely, if at all, hairy; the head pale ochraceous, entirely hidden beneath the second segment; the segments increasing in width to about the fifth, the two anal segments slightly decreasing and above flattened, especially the thirteenth; the erectile organs very small; a dorsal pulsating line, somewhat darker than the rest of the body; a subdorsal series of pale green oblique streaks, one on each segment on each side from the third to the eleventh segment inclusive; no other conspicuous markings. Dr. Forel has identified the ant that attends the larva in Calcutta, as Camponotus mitis, Smith. Dr. G. King identifies the plant on which the larva feeds in Calcutta as Heynea trijuga, Roxburgh." (de Niceville.)[1]
[edit] Pupa
"Of the usual Lycaenid shape, quite smooth, neither hairy nor pitted, pale ochreous greenish, the upper portions of the abdominal segments darker, covered throughout with coarse, rounded, blackish spots placed irregularly; a dorsal and a subdorsal series of similar but larger spots or blotches placed regularly. Head bluntly rounded, thorax slightly humped and constricted posteriorly, end of the abdomen rounded." (Lionel de Niceville quoted by Bingham)[1]
[edit] References
[edit] See also
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