33881
Endemic to southern Africa , the wasp-like bees of this genus are generally small , varying from in length , and mostly black , with orange-ish or reddish colouring of the metasoma in some of the species .
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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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