harvest mite vs member

harvest mite

noun
  • Any of various mites of the genus Trombicula that inhabit forests and grasslands and which, in their larval stage, attach to various animals including humans and feed on skin, often causing itching. 

member

noun
  • Part of an animal capable of performing a distinct office; an organ; a limb. 

  • A file stored within an archive file. 

  • the judge or adjudicator in a consumer court. 

  • The penis. 

  • A part of a whole. 

  • One who officially belongs to a group. 

  • An element of a set. 

  • Either of the two parts of an algebraic equation, connected by the equality sign. 

  • A part of a discourse or of a period, sentence, or verse; a clause. 

  • One of the propositions making up a syllogism. 

  • A function or piece of data associated with each separate instance of a class. 

  • friend 

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