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15 waterscorpions species
Ranatra fusca
Nepa apiculata
Ranatra kirkaldyi
Ranatra nigra
Ranatra quadridentata
Curicta pronotata
Curicta scorpio
Ranatra buenoi
Ranatra linearis
Ranatra brevicollis
Nepa cinerea
Ranatra texana
Ranatra australis
Ranatra drakei
Ranatra montezuma
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