daddy longlegs vs fruit fly

daddy longlegs

noun
  • The cranefly; any insect of the suborder Tipulomorpha. 

  • The daddy long-legs spider, any spider of the family Pholcidae. 

  • Any (non-spider) arachnid of the order Opiliones, mostly with long thin legs; the harvestman. 

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". 

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