Source : Webster's Revised Unabridged Dictionary (1913)

Pyralid \Pyr"a*lid\, n. [L. pyralis, -idis, a kind of winged
   insect.] (Zo["o]l.)
   Any moth of the family {Pyralid[ae]}. The species are
   numerous and mostly small, but some of them are very
   injurious, as the bee moth, meal moth, hop moth, and clover
   moth.

Source : WordNet®

pyralid
     n : usually tropical slender-bodied long-legged moth whose
         larvae are crop pests [syn: {pyralid moth}]