Andaman tree-nymph
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Idea
Species:	I. agamarschana
Binomial name
Idea agamarschana (C. & R. Felder, 1865)[1]
Synonyms
Hestia agamarschana C. & R. Felder, [1865] Hestia jasonia margherita Fruhstorfer, 1903 Hestina hadeni Wood-Mason & de Nicéville, 1880

Idea agamarschana, the Andaman tree-nymph or Burma tree nymph, is a large butterfly that belongs to the danaid group of the family Nymphalidae. It is found in Burma, Bangladesh, India and on the Andaman Islands. The habitat consists of forest clearings and it is also found above the forest canopy.

Subspecies

• Idea agamarschana agamarschana (southern Burma to Assam)
• Idea agamarschana hadeni (Wood-Mason & de Nicéville, 1880) (southern Burma to Bengal)
• Idea agamarschana arrakana Fruhstorfer, 1910 (Upper Burma to Bangladesh) – Burma tree nymph
• Idea agamarschana cadelli Wood-Mason & de Nicéville, 1880 (Andamans) - Andaman tree-nymph or Andaman tree nymph