Argynnis hyperbius
| Indian fritillary | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Nymphalidae |
| Genus: | Argynnis |
| Species: | A. hyperbius |
| Binomial name | |
| Argynnis hyperbius (Linnaeus, 1763) | |
| Synonyms | |
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Argynnis hyperbius, the Indian fritillary, is a butterfly of the Nymphalid or brush-footed butterfly family.
Description
Male: Upperside: fore wing rich orange-yellow, hind wing paler yellow, with the following black markings: Fore wing: cell with a basal short transverse streak, a medial broad oval loop, its outer margin sinuous; a broad transverse streak beyond cell not reaching the median nervure; a broad streak along the disco-cellulars; a zigzag discal series of large spots, angulated outwardly in interspace 4, inwardly in interspace 2, a minute spot at base of interspace 1 ; a somewhat diffuse large postdiscal spot below the costa in interspace 6; a postdiscal sinuous series of round spots, those in interspaces 1 and 4 very small; an inner complete subterminal sinuous series of round spots; an outer subterminal line, widening on the veins, and a terminal slender line. Hind wing: a basal, transverse, obscure narrow mark in cell, another above it in interspace 7, a transverse lunule across the middle of the cell; a small spot outwardly bordering the lower discocellular; a discal series of transverse spots from interspaces 1 to 7, sinuous posteriorly; a postdiscal series of five spots in interspaces 2 to 6 ; a subterminal series of somewhat lunular spots; finally, a narrow band on term en traversed posteriorly by a series of blue, anteriorly by a series of ochraceous lunules. Underside fore wing pale terracotta-red, shading into ochraceous towards the apex, the apex broadly suffused with that colour; markings as on the upperside, with the following exceptions:—subcostal spot in interspace 6, upper two spots of postdiscal series, upper four spots of the inner subterminal series, and the anterior portions of the outer subterminal and of the terminal line olivaceous brown; the upper two postdiscal spots centred with white, with a white spot on each side; the upper four spots of the sub terminal series connate, forming a short curved band. Hind wing variegated with ochraceous, olivaceous-brown and silvery-white markings, the last for the most part narrowly margined on the outer side by short black lines; the veins prominently pale ochraceous; the medial silvery markings form a well-marked sinuous discal series, followed by a curved postdiscal series of five olivaceous round spots; each spot and the olivaceous-brown quadrate patch near base of cell with a minute white central spot; a slender black subterminal line widening at the veins, as on the fore wing, followed by an ochraceous narrow lunular band and an outer slender black anticiliary line; the subterminal black line margined on the inner side by a series of: slender white lunules, bordered inwardly by a series of broad olivaceous-brown markings in the interspaces. Antennae brown above, ochraceous red beneath; head, thorax and abdomen olivascent tawny; beneath, palpi, thorax and abdomen pale ochraceous.
Female similar. Differs from the male as follows:—Upperside: apical half of fore wing from about the middle of the costa obliquely to just above the tornus black, inwardly suffused with purple, crossed by a broad white band from costa to the sub-terminal series of black spots; four preapical white spots, the upper three bordering on each side and above a very obscure ocellus scarcely visible on the black background, an inner and an outer subterminal transverse series of slender white lunules. Underside: fore wing markings similar to those on the upperside, but the apex of the wing beyond the white oblique band ochraceous green. Hind wing as in the male, but the markings slightly broader. Antennae, head, thorax and abdomen as in the male,the abdomen paler beneath.
Wingspan: 80–98 mm.
Var. taprobana, Moore, is a slightly darker race from Ceylon, with markings similar in both sexes to those of hyperbius. Moore, however, states that taprobana is an intermediate between the S. Indian form (castetsi) and typical hyperbius specimens from Ceylon that I have been able to examine do not- differ from Upper India, Assam, and Burmese specimens, except in the very slightly darker ground-colour on the upperside.[1]
Race castetsi, Oberthur.—The females of this remarkable form seem to be locally dimorphic. Male Closely resembles the male of hyperbius but differs as follows:—Upperside: ground-colour a richer brighter shade of orange-yellow; black markings similar but distinctly smaller, of a deeper black: subtcrminal transverse series of slender lunules traversing the terminal black margin on the hind wing of the same shade of orange-yellow as the groundcolour, not blue on the posterior half of the wing. Underside: the olivaceous brown at apex of fore and variegating the hind wing more of a greenish golden tint. A sex-mark of specialized raised scales along middle of vein 1 on the upperside of the fore wing very prominent.[1]
Female Nilgiri form: resembles the female of typical hyperbius differs as follows: Upperside: ground-colour pale golden yellow; basal half of both fore and hind wings shaded with metallic green in the fore wing; in some specimens this tint is slightly olivaceous; black markings and the white oblique band on the apical area of the fore wing as in hyperbius, but proportionately smaller, the purplish-blue shading along inner margin of the white band much less conspicuous, as is also the bluish tint; on the white preapical spots and subterminal markings on the fore wing and on the posterior half of the subterminal line of limules on the hind wing. Underside as in hyperbius but the ground-colour on the fore wing a paler shade of terracotta-red; the olivaceous brown variegating the hind wing of a distinctly greener tint.[1]
Female typical form as described from Trichinopoly. Similar to the male differs as follows: Upperside: ground-colour pale golden yellow; basal half of the wings suffused with dark olivaceous green; black markings as in the male but larger; on the fore wing the spots of the subterminal series very large, coalescent or nearly coalescent with one another and with the dentate spots on the veins in the inner terminal line; the upper two spots also of the postdiscal series very large and coalescent, the upper of the two joining on above and below to the inner postdiscal lunate spot in interspace 6, thus enclosing a prominent lunule of the groundcolour. Underside as in the male but paler.
Distribution
The Himalayas, in the outer ranges from Campbellpur in the Punjab to Sikhim; Oudh; Agra; Manbhum in Bengal; Assam, the Khasi Hills; Upper Burma; extending to China and Formosa; Sumatra; Java.[1] Can also be found in southern Japan.
Larva
" Head and legs black; body black, this colour, however, obscured by orange-tawny markings. A broad orange-tawny dorsal stripe. Four straight horizontal simple black spines on head; spines on pectoral segments black; on abdominal segments pink tipped with black; on caudal segments pink faintly black-tipped."[1]
Pupa
"Head and wing-cases pale Indian red; ten pale metallic spots on back; abdomen dark pink; spines faintly black-tipped." (A. Graham, fide de Niceville) Mr. de Niceville adds: "The head ends in two well-separated blunt points; there are a pair of spines anteriorly, another in the middle, and a third smallest pair posteriorly on the thorax, the latter being hunched and keeled, on the abdominal segments there are eight pairs of spines, the third anterior pair the largest." (Butt. Ind. ii, p. 131.)[1]
Mimicry
Argynnis hyperbius is a mimic of Danaus chrysippus.
Taxonomy
This species is sometimes assigned its own genus, Argyreus. This genus is mostly treated as a subgenus of Argynnis however.
Subspecies
- Argynnis hyperbius hyperbius (central India to northern India, Assam to China and Taiwan)
- Argynnis hyperbius castetsi (Oberthür, 1891) (south-eastern India)
- Argynnis hyperbius centralis (Martin, 1913) (Sulawesi)
- Argynnis hyperbius inconstans (Butler, 1873) (Queensland to New South Wales, Papua, New Guinea)
- Argynnis hyperbius javanica (Oberthür, 1889) (Java)
- Argynnis hyperbius neumanni Rothschild, 1902 (Ethiopia)
- Argynnis hyperbius niugini Samson, 1976 (Papua)
- Argynnis hyperbius sumatrensis (Fruhstorfer, 1903) (Thailand, Peninsular Malaya, Sumatra)
- Argynnis hyperbius taprobana (Moore, 1900) (Sri Lanka)
- Argynnis hyperbius sagada (Fruhstorfer, 1912) (Philippines)
References
See also
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- Nymphalidae
- List of butterflies of India
- List of Butterflies of India (Nymphalidae)