New species and new records of Notonecta (Hemiptera: Heteroptera: Notonectidae) from Brazil

Notonecta itatiaia sp. nov. is described from the state of Rio de Janeiro. Like other Notonecta species that occurs in Brazil, N. itatiaia has no remarkable diagnostic features than the shape of genital capsule. Along with the first description of a Notonecta from Brazil in eighty years, N. disturbata is newly recorded from the states of Para, Piaui and Sao Paulo, and N. pulchra from Para. A key to species of Notonecta (males) occurring in Brazil is given.

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