Euthalia telchinia
Encyclopedia
The Blue Baron is a species of nymphalid
butterfly
found in South Asia
and Southeast Asia
.
Male has the upperside dark velvety brown. Fore wing : basal area, cell and wing beyond apex of latter crossed by broad, short, paler brown bars, and a pale brown pre-apical patch. Hind wing uniform. Fore and hind wings with a brilliant metallic blue terminal band, commencing just above the tornus on the fore and gradually widening to the tornus on the hind wing. Underside rich fuliginous brown, basal area below the cell of the fore and basal area of the hind wing with loop-like black markings ; cellular area of fore wing crossed by five transverse, short, sinuous, black lines ; both fore and hind wing with broad, lunular, very obscure, dark discal broad and postdiscal narrow transverse bands.
The female resembles the female of Euthalia cocytus but apart from the difference in the shape of the fore wing the ground-colour on the upperside is a darker brown ; there are five not four dingy white discal spots, the upper two and the lower two subequal; the inwardly oblique postdiscal dark band very diffuse and much broader. The underside is of a much paler ochraceous, but the markings are similar, Antennae, head, thorax and abdomen dark brown in both sexes ; beneath in the male pale brownish, in the female ochraceous.
Nymphalidae
The Nymphalidae is a family of about 5,000 species of butterflies which are distributed throughout most of the world. These are usually medium sized to large butterflies. Most species have a reduced pair of forelegs and many hold their colourful wings flat when resting. They are also called...
butterfly
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...
found in South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...
and Southeast Asia
Southeast Asia
Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...
.
Description
Fore wing: costa strongly arched, not falcate below apex, which is slightly truncate; termen slightly concave, tornus rounded but very distinct, dorsum straight. Hind wing broadly pear-shaped, the costa, apex and termen roundly curved ; tornus slightly produced; dorsum arched, slightly emarginate above tornus.Male has the upperside dark velvety brown. Fore wing : basal area, cell and wing beyond apex of latter crossed by broad, short, paler brown bars, and a pale brown pre-apical patch. Hind wing uniform. Fore and hind wings with a brilliant metallic blue terminal band, commencing just above the tornus on the fore and gradually widening to the tornus on the hind wing. Underside rich fuliginous brown, basal area below the cell of the fore and basal area of the hind wing with loop-like black markings ; cellular area of fore wing crossed by five transverse, short, sinuous, black lines ; both fore and hind wing with broad, lunular, very obscure, dark discal broad and postdiscal narrow transverse bands.
The female resembles the female of Euthalia cocytus but apart from the difference in the shape of the fore wing the ground-colour on the upperside is a darker brown ; there are five not four dingy white discal spots, the upper two and the lower two subequal; the inwardly oblique postdiscal dark band very diffuse and much broader. The underside is of a much paler ochraceous, but the markings are similar, Antennae, head, thorax and abdomen dark brown in both sexes ; beneath in the male pale brownish, in the female ochraceous.