geometer moth vs geometrid

geometer moth

noun
  • a geometrid moth of family Geometridae. 

geometrid

noun
  • Any of the family Geometridae of moths 

  • A larva of such moth, which when walking alternate legs and prolegs, giving the appearance of measuring 

adj
  • Relating to such moths 

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