The Collaborative International Dictionary of English v.0.48:

Gelechiidae \Gelechiidae\ n.
   A family of moths which include important economic pests,
   feeding on the seeds of the cotton boll.

   Syn: family Gelechiidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Gelechiidae
    n 1: important economic pests [syn: Gelechiidae, family
         Gelechiidae]