Source : Webster's Revised Unabridged Dictionary (1913)

Nematocera \Nem`a*toc"e*ra\, n. pl. [NL., fr. Gr. ?, ?, a thread
   + ke`ras horn.] (Zo["o]l.)
   A suborder of dipterous insects, having long antenn[ae], as
   the mosquito, gnat, and crane fly; -- called also {Nemocera}.

Source : WordNet®

Nematocera
     n : mosquitoes; fungus gnats; crane flies; gnats; sand flies
         [syn: {suborder Nematocera}]