cockchafer vs daddy longlegs

cockchafer

noun
  • Any of various other similar beetles, such as of the genera Acrossidius, Cyphochilus, Rhopaea, etc. 

  • Any of the large European beetles from the genus Melolontha that are destructive to vegetation. 

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. 

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