Penthema darlisa, the blue kaiser, is a species of satyrine butterfly found along the Himalayas, extending into Southeast Asia. Subspecies Penthema darlisa darlisa (Assam to Burma, Yunnan, West Thailand) Penthema darlisa mimetica Lathy, 1900 (south-eastern Thailand) Penthema darlisa melema Riley & Godfrey, 1921 (northern Thailand, Laos, Vietnam) Penthema darlisa merguia Evans, 1924 (southern Burma, Peninsular Thailand) Penthema darlisa pallida Li, 1994 (Yunnan) References Satyrinae Butterflies of Indochina