Blissus leucopterus

from WordNet (r) 3.0 (2006)

Blissus leucopterus
    n 1: small black-and-white insect that feeds on cereal grasses
         [syn: {chinch bug}, {Blissus leucopterus}]

from The Collaborative International Dictionary of English v.0.48

Chinch \Chinch\, n. [Cf. Sp. chinche, fr. L. {cimex}.]
   1. (Zool.) The bedbug ({Cimex lectularius}).
      [1913 Webster]

   2. (Zool.) A bug ({Blissus leucopterus}), which, in the
      United States, is very destructive to grass, wheat, and
      other grains; -- also called {chiniz}, {chinch bug},
      {chink bug}. It resembles the bedbug in its disgusting
      odor.
      [1913 Webster]