Source : Webster's Revised Unabridged Dictionary (1913)

Angoumois moth \An`gou`mois" moth"\ (?; 115). [So named from
   Angoumois in France.] (Zo["o]l.)
   A small moth ({Gelechia cerealella}) which is very
   destructive to wheat and other grain. The larva eats out the
   interior of the grain, leaving only the shell.