aphid vs daddy long-legs spider

aphid

noun
  • Sapsucking pest insect of the superfamily Aphidoidea; an aphidian. 

daddy long-legs spider

noun
  • Any of the true spiders of the family Pholcidae: small spiders with long legs. 

How often have the words aphid and daddy long-legs spider occurred in a corpus of books? (source: Google Ngram Viewer )