Notonectidae

plural noun

No·​to·​nec·​ti·​dae

-təˌdē

: a family of aquatic carnivorous insects (order Hemiptera) having the back strongly convex and the hind legs long and resembling oars and habitually swimming back downward

Word History

Etymology

New Latin, from Notonecta, type genus (from not- + -necta swimmer, from Greek nēktēs, from nēchein to swim) + -idae

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