Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Miletus chinensis longeana -  The Long's Brownie (Miletus chinensis longeana) is a small but striking butterfly found in India and Myanmar that belongs to the Lycaenids or Blues family.
The answer is:
Animal