资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pulex \Pu"lex\, n. [L., a flea.] (Zo["o]l.)
   A genus of parasitic insects including the fleas. See {Flea}.

资料来源 : WordNet®

Pulex
     n : type genus of the Pulicidae [syn: {genus Pulex}]