cockchafer vs doodlebug

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. 

doodlebug

noun
  • An antlion larva (Myrmeleontidae). 

  • An automobile converted into a cheap tractor for a small farm during the Second World War. 

  • Someone who draws constantly. 

  • An idiot. 

  • A slackard or time-waster. 

  • The V-1 flying bomb. 

  • A woodlouse. 

  • A divining rod or similarly intended device. 

  • A term of endearment. 

  • A cockchafer (genus Melolontha). 

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