cranefly vs pest

cranefly

noun
  • Any of various large flies of the suborder Tipulomorpha that have slender bodies and very long legs and that resemble giant mosquitoes. 

pest

noun
  • Any destructive insect that attacks crops or livestock; an agricultural pest. 

  • An animal regarded as a nuisance, destructive, or a parasite, vermin. 

  • An annoying person, a nuisance. 

  • An invasive weed. 

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