Euploea sylvester
Encyclopedia
The Double-branded Crow (Euploea sylvester), also known as the Two-brand Crow in Australia, is a butterfly 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...

, 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...

 and parts of Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 that belongs to the Crows and Tigers, that is, the Danaid group of the Brush-footed butterflies
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...

 family.

Several races of the butterfly are recognized. Race pelor is found in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

.

Description

In shape, colour, and markings, very closely resembles Euploea core
Euploea core
The Common Crow is a common butterfly found in South Asia. In India it is also sometimes referred to as the Common Indian Crow, and in Australia as the Australian Crow. It belongs to the Crows and Tigers subfamily of the Nymphalidae .The Common Crow is the most common representative of its genus...

. Males, however, can be distinguished at once by the presence of two brands instead of a single one on the fore wing. Of the females Lionel de Nicéville
Lionel de Nicéville
Charles Lionel Augustus de Nicéville was a curator at the Indian Museum in Calcutta . He studied the butterflies of South Asia and wrote a three volume monograph on the butterflies of India, Pakistan, Burma and Sri Lanka.Born in a noble Huguenot family, his father was a physician. He was educated...

 says, females of E. coreta can be separated from the females of E. core by the following points: "First by the outline of the fore wing being more entire ; in core it is slightly but perceptibly scalloped- Second, by the underside of the fore wing having a complete series of six spots, one between each pair of nervules outside the cell; in core two of these spots, those above the discoidal nervules (veins 5 and 6), are always wanting. Third, the two brands on the interno-median area (interspace 1) of the fore wing in the male are faintly but quite perceptibly to be traced in the female in the same position."

Larval food plants

The Double Banded Crow feeds on plants of the families Apocynaceae
Apocynaceae
The Apocynaceae or dogbane family is a family of flowering plants that includes trees, shrubs, herbs, and lianas.Many species are tall trees found in tropical rainforests, and most are from the tropics and subtropics, but some grow in tropical dry, xeric environments. There are also perennial herbs...

(Dogbanes and Oleanders), Asclepiadaceae
Asclepiadaceae
According to APG II, the Asclepiadaceae is a former plant family now treated as a subfamily in the Apocynaceae...

(Milkweeds) and Moraceae
Moraceae
Moraceae — often called the mulberry family or fig family — are a family of flowering plants comprising about 40 genera and over 1000 species. Most are widespread in tropical and subtropical regions, less so in temperate climates...

(Figs)and the specific species are Ficus obliqua
Ficus obliqua
Ficus obliqua, commonly known as the Small-leaved Fig, a tree in the family Moraceae native to eastern Australia. It is a banyan of the genus Ficus which contains around 750 species worldwide in warm climates, including the edible fig...

, Ficus microcarpa
Ficus microcarpa
Ficus microcarpa, also known as Chinese Banyan, Malayan Banyan, Indian Laurel or Curtain fig, is a banyan native in the range from Sri Lanka to India, southern China, the Malay Archipelago, the Ryukyu Islands, Australia, and New Caledonia.-Taxonomy:Hill's Weeping Fig is a form of Ficus microcarpa...

, Ficus racemosa, Gymnema sylvestre
Gymnema sylvestre
Gymnema sylvestre is a herb native to the tropical forests of southern and central India where it has been used as a natural treatment for diabetes for nearly two millennia.-Description:...

and Ichnocarpus frutescens
Ichnocarpus frutescens
Ichnocarpus frutescens is a species of flowering plant in the dogbane family known by the English common name black creeper. It is native to much of China, India, Southeast Asia, and northern Australia...


See also


External links

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