mantid vs praying mantis

mantid

noun
  • mantis (insect) 

praying mantis

noun
  • A mantid of the species Mantis religiosa. 

  • A woman who preys on men (from the idea that female praying mantises eat males after sex). 

  • Any of various predatory, cannibalistic insects of the order Mantodea that have a prayer-like stance. 

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