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Callococcus is a genus of Australian scale insect that feeds on species of Leptospermum , Hypocalymma , Kunzea and some other members of the tribes Chamelaucieae and Leptospermeae in the myrtle family Myrtaceae .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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