Nepidae

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Nepidae

[′nep·ə‚dē]
(invertebrate zoology)
The water scorpions, a family of hemipteran insects in the superfamily Nepoidea, characterized by a long breathing tube at the tip of the abdomen, chelate front legs, and a short stout beak.
References in periodicals archive ?
Until now it was assumed the water scorpion lived up to its name by not emerging on to dry land
The same two trenches, home to fish and insects including the harmless but nasty sounding water scorpions, are used every year.
Water scorpions sound pretty scary, but they aren't.
An area of water attracts a multitude of creatures including frogs, toads, newts, diving beetles, water scorpions and thirsty hedgehogs.
While surveying, Ballengee also discovered a range of natural predators he suspected could be to blame, including stickleback fish, newts, diving beetles, water scorpions and predatory dragonfly nymphs.
If you don't have a pond think about installing one, even if it's just a small pond or bog garden, to attract frogs, toads, newts, diving beetles, water scorpions and hedgehogs.