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The " purple-shot copper " ( " Lycaena alciphron " ) is a butterfly in the family of the Lycaenidae or copper butterflies and in the genus of the " Lycaena " .
 butterfly, Lycaena
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 butterfly, Lycaena