The Danaid Eggfly, Mimic, or Diadem (Hypolimnas misippus) is a widespread species of Nymphalid butterfly. The Danaid Eggfly has several other common names including the Danaid Mimic, Tiger Mimic and Diadem. It is well known for polymorphism and mimicry. It generally mimics because this would prevent itself from eaten by its predators as it looks like a toxic Plain / Striped Tiger Butterfly.

A common butterfly, it is native to Africa, Asia and Australasia is inhabitant of open country with moderate rainfall and forest edges. Distribution of the species is entire South East Asia.

Danaid is a strong and fast flier with a wingspan of 70-85 cm and flies upto 3,000 m amsl in Himalayas and extreme south. Found throughout the year in suitable habitat. The Male is more common than The Female. The Male is highly territorial and often found basking in the sun by resting on bushes or ground with continuous slow movement of wings to the sides. The male topside looks black with white oval or egg shaped discal patches on a blue shot area on both wings. The male underside is quite different rusty brown with a broad white band. The female Danaid Eggfly is entirely different to the male Danaid Eggfly. However, she looks very similar to the inedible Plain Tiger the only difference is more wavy margins. Danaid Butterfly for camouflage protection, hence the other name of Danaid Mimic and (Plain) Tiger Mimic.

Danaid is fond of flowers. It visits flowers of Lantana, Common Zinnia, Marigold, Hibiscus, Portulaca, Barleria etc.