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''Baltia shawi'', the Shaw's dwarf, is a small
The female differs from the male as follows: Upperside: somewhat thickly irrorated all over with black scales. Forewing with the discocellular black spot and terminal series of inwardly-pointed triangular black spots as in the male, but the latter more complete, extends from apex to tornus, the spots are larger and there is no pre-apical bar, out a complete, outwardly dentate, curved discal black band that crosses the wing from costa to dorsum. Hindwing: the irroration of black scales very dense in a broad patch posteriorly, and so arranged as to form a curved macular discal band. Underside similar to that of the male, but on the forewing there is a complete terminal series of inwardly triangular black spots and a complete, outwardly dentate, curved discal black band; while on the hindwing the irroration of black scales is denser. In both sexes the antennae are white annulated (ringed) with black, the club black; head whitish; thorax and abdomen fuscous black; beneath: head and thorax fuscous black, abdomen prominently white..
Wingspan 34–50 mm.
Recorded from the
butterfly
Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...
of the family Pieridae
The Pieridae are a large family (biology), family of butterflies with about 76 genera containing about 1,100 species, mostly from Afrotropical realm, tropical Africa and Indomalayan realm, tropical Asia with some varieties in the more northern ...
, that is, the yellows and whites. It is found at high altitudes in Central Asia
Central Asia is a region of Asia consisting of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The countries as a group are also colloquially referred to as the "-stans" as all have names ending with the Persian language, Pers ...
.
Description
Male on upperside is pale white; base of wings irrorated with black scales. Forewing: costal margin very narrowly yellowish, costal and subcostal veins irrorated with black scales, a discocellular elongate oblique black spot; a narrowly sub-triangular short oblique pre-apical black bar, its apex downwards, and a series of inwardly triangular black spots on the termen, these narrow posteriorly and reach from the apex of wing to vein 1. Hindwing: uniform, the irroration (sprinkling) of black scales more extended than on the forewing. Underside: forewing white; costa and apex irrorated with black scales, the costa and termen margined with a line of pinkish yellow; the black discocellular spot, the black pre-apical bar and terminal series of black spots much as on the upperside, but the last is ill-defined, somewhat diffuse at apex and does not descend below vein 3. Hindwing: white with a dull pinkish tinge all over; the whole surface irrorated with black scales that form a broad elongate patch on posterior half of the wing and an obscure curved macular discal band beyond the cell; discocellulars defined with black.
The female differs from the male as follows: Upperside: somewhat thickly irrorated all over with black scales. Forewing with the discocellular black spot and terminal series of inwardly-pointed triangular black spots as in the male, but the latter more complete, extends from apex to tornus, the spots are larger and there is no pre-apical bar, out a complete, outwardly dentate, curved discal black band that crosses the wing from costa to dorsum. Hindwing: the irroration of black scales very dense in a broad patch posteriorly, and so arranged as to form a curved macular discal band. Underside similar to that of the male, but on the forewing there is a complete terminal series of inwardly triangular black spots and a complete, outwardly dentate, curved discal black band; while on the hindwing the irroration of black scales is denser. In both sexes the antennae are white annulated (ringed) with black, the club black; head whitish; thorax and abdomen fuscous black; beneath: head and thorax fuscous black, abdomen prominently white..
Wingspan 34–50 mm.
Recorded from the Karakoram
The Karakoram () is a mountain range in the Kashmir region spanning the border of Pakistan, China, and India, with the northwestern extremity of the range extending to Afghanistan and Tajikistan. Most of the Karakoram mountain range is withi ...
mountains at an elevation of ; found also in the Pamirs
The Pamir Mountains are a range of mountains between Central Asia and South Asia. They are located at a junction with other notable mountains, namely the Tian Shan, Karakoram, Kunlun, Hindu Kush and the Himalaya mountain ranges. They are among ...
and Tibet
Tibet (; ''Böd''; ), or Greater Tibet, is a region in the western part of East Asia, covering much of the Tibetan Plateau and spanning about . It is the homeland of the Tibetan people. Also resident on the plateau are other ethnic groups s ...
.
See also
*List of butterflies of India (Pieridae)
This is a list of the pierid butterflies of India. It forms part of the full List of butterflies of India.
The family Pieridae, or the whites and yellows are a family of butterflies of moderate or small size. The common names refer to the two pre ...
References