The Collaborative International Dictionary of English v.0.48:

Lasiocampidae \Lasiocampidae\ n.
   A natural family of moths whose larvae include the tent
   caterpillars; the eggars; the lappet moths.

   Syn: family Lasiocampidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Lasiocampidae
    n 1: tent caterpillars; eggars; lappet moths [syn:
         Lasiocampidae, family Lasiocampidae]