88083
Alternatively , the sperm may transfer chemicals similar to sex peptide , a chemical carried on the sperm of " Drosophila melanogaster " that makes females less likely to accept mates ( i.e. it is an anti-aphrodesiac ) .
 Drosophila melanogaster
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Text: {0} 
Answer:
 Drosophila melanogaster