water scorpion
US /ˈwɑː.t̬ɚ ˌskɔːr.pi.ən/
UK /ˈwɑː.t̬ɚ ˌskɔːr.pi.ən/

1.
scorpione d'acqua
any of various predatory aquatic bugs (family Nepidae) that have a long breathing tube at the rear of the body and raptorial front legs
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The pond was home to several fascinating water scorpions.
Lo stagno ospitava diversi affascinanti scorpioni d'acqua.
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A water scorpion uses its long breathing tube to get air from the surface.
Uno scorpione d'acqua usa il suo lungo tubo respiratorio per prendere aria dalla superficie.