Wordnet 3.0
NOUN (1)
1. 
 two-winged flies especially the families: Muscidae; 
 Gasterophilidae; 
 Calliphoridae; 
 Tachinidae; 
[syn: Muscoidea, superfamily Muscoidea]
The Collaborative International Dictionary of English v.0.48:
Muscoidea \Muscoidea\ prop. n.
   A superfamily of two-winged flies esp. the families:
   Muscidae; Gasterophilidae; Calliphoridae; and
   Tachinidae.
   Syn: superfamily Muscoidea.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
Muscoidea
    n 1: two-winged flies especially the families: Muscidae;
         Gasterophilidae; Calliphoridae; Tachinidae [syn:
         Muscoidea, superfamily Muscoidea]