State Butterfly of Tamil Nadu Current Affairs - 2020

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Tamil Nadu becomes 5th State to Declare a State Butterfly

Tamil Nadu has officially declared Tamil Yeoman (Cirrochroa thais) as the state butterfly to symbolise its rich natural and cultural heritage. This move aimed at boosting conservation efforts of attractive insects. It will also help channelising government funds towards a particular environmental cause.

With this, Tamil Nadu became fifth Indian state to declare its state butterfly. Maharashtra was 1st state to officially declare Blue Mormon (Papilio polymnestor) as its state butterfly, way back in 2015 followed by Uttarakhand (Common peacock), Karnataka (Southern bird wings) and Kerala (Malabar banded peacock).

About Tamil Yeoman

Its scientific name is Cirrochroa thais. It is locally known as Tamil Maravan, which means ‘Tamilian Warrior’. It belongs to the family of brush-footed butterflies or the Nymphalid.

Unique Features: It is usually sized between 60 and 75mm and has natural zigzag patterns near its bright orange-coloured wings with dark brown highlights at the border of its wings. It is fast and fly straight with few wing beats and long glide.

Habitat: It is endemic to Western Ghats. It is mostly found in moist deciduous, evergreen forests and along water streams.

Why State Butterfly of Tamil Nadu? This southern state has total of 32 species of butterflies endemic to the state. Tamil Yeoman was chosen as state butterfly for its cultural identity linking the state through its name and is abundance in hilly areas.

Environment Significance of Butterflies

They are great bio-indicators of ecosystem as they are highly sensitive to environmental conditions such as sunlight, temperature, humidity and rainfall patterns. Their presence, patterns and migration assist in mapping climatic health of region. They are most studied insect group across the world.

Other official State Species of Tamil Nadu

State animal: Nilgiri Tahr

State bird: Emerald Dove

State Tree: Palm Tree

State flower: Gloriosa

State fruit: Jack fruit

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Tamil yeoman: now Tamil Nadu’s State Butterfly

Butterfly species Tamil yeoman (Cirrochroa thais) has been officially declared as state butterfly of Tamil Nadu. The southern State formally notified this by an order on lines of the State Tree (Palm), Bird (Emerald Dove), Flower (Gloriosa) and Animal (Nilgiri Tahr).

About Tamil yeoman

Scientific Name: Cirrochroa thais

It is also known as Tamizh Maravan (which means warrior).

This butterfly species is endemic to Western Ghats. It is among 32 butterfly species found in Western Ghats but mainly in the hilly areas.

Features: Uniformly orange in colour with a dark brown outer ring.

This butterfly species moves in groups in large numbers, but only in a few places.

Why Tamil yeoman?

It was chosen for honour after both Tamil Nadu Forest Department and state conservation groups decided to work together to identify a butterfly species that could be iconic, easily recognisable and easy to spot, and a the same time serve as another symbol of State.

Key Facts

For the 1st time Tamil Nadu has declared its state butterfly. With this it becomes only 5th in country to do so.

Maharashtra was 1st to declare Blue Mormon as its state butterfly, followed by Common peacock in Uttarakhand, Southern bird wings in Karnataka and Malabar banded peacock in Kerala.

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