Danaus

from WordNet (r) 3.0 (2006)

Danaus
    n 1: type genus of the Danaidae: monarch butterflies [syn:
         {Danaus}, {genus Danaus}]

from The Collaborative International Dictionary of English v.0.48

Danaus \Danaus\ n.
   the type genus of the Danaidae, including the monarch
   butterfly, {Danaus plexippus}.

   Syn: genus {Danaus}.
        [WordNet 1.5]