cockchafer vs fig-eater

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. 

fig-eater

noun
  • A beetle (Cotinis mutabilis) which ranges from central Texas across the southwestern United States and Mexico. 

  • A bird (Sylvia hortensis) that feeds on figs and grapes, and that people eat as a delicacy. 

  • A large beetle (Cotinis nitida) which has elytra that are velvety green with pale borders, which ranges from eastern Canada to central Texas, and which in the southern United States destroys figs. 

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