tettigonian

from The Collaborative International Dictionary of English v.0.48

Tettigonian \Tet`ti*go"ni*an\, n. [Gr. ?, dim. of ? a kind of
   grasshopper.] (Zool.)
   Any one of numerous species of Hemiptera belonging to
   {Tettigonia} and allied genera; a leaf hopper.
   [1913 Webster]