corydalus cornutus

from WordNet (r) 3.0 (2006)

Corydalus cornutus
    n 1: large soft-bodied insect having long slender mandibles in
         the male; aquatic larvae often used as bait [syn: {dobson},
         {dobsonfly}, {dobson fly}, {Corydalus cornutus}]

from The Collaborative International Dictionary of English v.0.48

Corydalus \Corydalus\ prop. n.
   The type genus of the {Corydalidae}. It includes the
   dobsonfly ({Corydalus cornutus}), whose aquatic larva, the
   {hellgrammite}, is used as bait in fishing.

   Syn: genus {Corydalus}, genus Corydalis.
        [WordNet 1.5 +PJC]

from The Collaborative International Dictionary of English v.0.48

Dobson \Dob"son\, n. (Zool.)
   The aquatic larva of a large neuropterous insect ({Corydalus
   cornutus}), used as bait in angling. See {Hellgamite}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hellgamite \Hell"ga*mite\, Hellgramite \Hell"gra*mite\, n.
   (Zool.)
   The aquatic larva of a large American winged insect
   ({Corydalus cornutus}), much used a fish bait by anglers; the
   dobson. It belongs to the Neuroptera.
   [1913 Webster]

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