Hypolimnas misippus

Hypolimnas misippus

The Danaid Eggfly (Hypolimnas misippus) is a widespread species of nymphalid butterfly. It is well known for polymorphism and mimicry.

Description

See glossary for terms used

Male: Upperside rich velvety dark brownish black. Fore wing: a broad oval oblique white spot from below vein 3 to vein 7, and a preapical smaller similar white spot; both spots crossed by black veins and surrounded by iridescent blue. Hind wing with a much larger similar rounded white spot, surrounded with iridescent blue, but the veins crossing it yellowish, not so prominent as on the fore wing; two or three minute specks of white at the tornus. Cilia of both fore and hind wings white alternated with black. Underside fore wing: bases of interspaces 1 and 2 and cell rich light castaneous, discal area fuscous brown; apical half golden brown; basal half of costal margin flecked with white: cell anteriorly black with three white spots ; a narrow, transverse, very short, white mark beyond apex of cell; a very broad, somewhat oval, white discal patch from costa to middle of interspace 2 edged with diffuse dusky black; the preapical white spot as on the upperside but not surrounded with blue, continued posteriorly as a transverse series of small postdiscal white spots ; an inner and an outer transverse series of white lunules divided by a sinuous black line followed by a terminal black line. Hind wing: basal and postdiscal areas chestnut-red; a black spot at base of vein 8 defined by white lines ; a very broad medio-discal white band from costa to dorsum, crossed at apex of interspace 1 a by a transverse black mark, beyond the middle of interspace 7 by a broad black bar, and in interspace 7 bordered inwardly by black ; a postdiscal series of small white spots in continuation of those on the fore wing; an inner subterminal series of paired subtriangular small white spots, an outer subterminal line of slender white lunules, an intervening black sinuous line between the two series and a black terminal line. Cilia of both fore and hind wings white alternated with black. Antennae, head, thorax and abdomen dark brown; beneath, the palpi and thorax white, the abdomen castaneous.

Female - Polymorphic.

First form : Upperside rich tawny. Fore wing : the costa, the apical half of the wing and the termen black, the inner margin of this black area follows a line crossing the cell obliquely and curving round to near apex of interspace 1 a ; a white spot beyond apex of cell; an oblique band of elongate white spots, a more transverse short subapical series of three or four much smaller white spots, and an inner and an outer sub-terminal transverse series of very small slender white lunules. Hind wing: a transverse round spot in interspace 7, the terminal margin broadly black, the latter traversed by two transverse series of paired small white lunules. Cilia of fore and hind wings white alternated with black. Underside paler tawny yellow, the disc of the fore wing deeper tawny; the markings are much as on the upperside but differ as follows :—Fore wing: three white spots along the anterior margin of cell, the black on the apical area beyond the oblique band of white spots replaced by golden. Hind wing: a black spot at base of vein 8, another at base of interspace 5, and a postdiscal transverse series of small white spots in addition to the markings as on the upperside.

Second form. Similar to the above but the disc of the hind wing on both upper and under sides white, =alcippoides, Butler.

Third form. Similar to the first form, but on the fore wing the oblique series of: elongate spots yellowish and tho middle portion of the black apical area tawny.

Life cycle

Larva: de la Chaumette (teste Moore) describes this as cylindrical, black, with a darker black dorsal line, banded transversely with pale brown transverse tuberculated small spots ; beneath dark olive-brown ; legs and head brick-red; head furnished with two long black thick branched spines ; the rest of the segments except the anal with ten branched spines, dirty, transparent white in colour and disposed in longitudinal rows, anal segment with two similar spines.

Food-plant: Portulaca oleracea, Asystasia lawiana.

Pupa: Pendulous. Short and thick; light brown, without metallic spots, variegated and streaked with bistre, particularly towards the head and tail. (de la Chaumette.)

References

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