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Tawny coster is a medium sized butterfly and has a leathery wings measuring up to 53–64 millimetres. This species is avoided by the Predators because of its unpalatable taste due to the presence of poisonous alkaloids in its body and also it exude foetid yellowish oily fluid from the joints of the legs which makes them unappetising to the predators. They are casual and slow fliers with weak fluttering flight and they fly close or near to the ground level and mainly feeds on Tridax procumbens and other herbaceous plants.
It is widely distributed in India, Sri Lanka, Maldives to Myanmar, Thailand, Laos, Cambodia, Vietnam, Singapore and recently Australia. It is commonly found near the roadside vegetation, grasslands etc.
Spotted on Feb 28, 2021
Submitted on Feb 28, 2021