notonecta undulata

2 definitions found

notonecta undulata - Collaborative International Dictionary of English v.0.48 :

  backswimmer \back"swim`mer\ n.
     any of numerous predaceous aquatic insects of the family
     Notonectidae (such as Notonecta undulata) that swim on
     their backs and may inflict painful bites; -- also called
     boat bug. --[RHUD]
     [WordNet 1.5 +PJC]

notonecta undulata - WordNet (r) 2.1 (2005) :

  Notonecta undulata
      n 1: predaceous aquatic insect that swims on its back and may
           inflict painful bites [syn: backswimmer, Notonecta undulata
           ]