The Collaborative International Dictionary of English v.0.48:

Mantispidae \Mantispidae\ prop. n.
   The natural family comprising the mantispids.

   Syn: family Mantispidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Mantispidae
    n 1: mantispids [syn: Mantispidae, family Mantispidae]