fruit fly vs maggot

fruit fly

noun
  • any insect of the Tephritidae family, whose larvae damage plant tissue. 

  • any insect of the Drosophilidae family, whose larvae feed on ripening fruit, especially the species Drosophila melanogaster that is used in genetic research. 

  • A woman who enjoys the company of homosexual men; a "fag hag". 

maggot

noun
  • A soft, legless larva of a fly or other dipterous insect, that often eats decomposing organic matter. 

  • A worthless person. 

  • A fan of the American metal band Slipknot. 

verb
  • To rid (an animal) of maggots. 

How often have the words fruit fly and maggot occurred in a corpus of books? (source: Google Ngram Viewer )