backswimmer


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back·swim·mer

 (băk′swĭm′ər)
n.
Any of various predatory hemipteran insects of the family Notonectidae that live in freshwater habitats and swim on their backs by means of oarlike hind legs.

backswimmer

(ˈbækˌswɪmə)
n
(Animals) an aquatic bug belonging to the family Notonectidae that swims on its back using its back legs as oars

back•swim•mer

(ˈbækˌswɪm ər)

n.
any of various predatory aquatic bugs, of the family Notonectidae, that swim on their backs.
[1860–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.backswimmer - predaceous aquatic insect that swims on its back and may inflict painful bitesbackswimmer - predaceous aquatic insect that swims on its back and may inflict painful bites
hemipteran, hemipteron, hemipterous insect, bug - insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis
genus Notonecta, Notonecta - type genus of the Notonectidae: backswimmers
Translations
References in periodicals archive ?
Physical gill efficiency and winter dormancy in the pigmy backswimmer, Neoplea striola (Hemiptera: Pleidae).
Influence of the predatory backswimmer Notonecta maculata, on invertebrate community structure.
When the arriving female mosquitoes detect a chemical emitted by the backswimmer, they are less likely to lay eggs in that pool.