Classification
Tree [regio]Heteroptera [subordo]
Nepidae [familia]
Nepinae [subfamilia]
Nepa [genus]
Genus Nepa Linnaeus, 1758 contains the following taxa:
Nepa anophthalma Décu, Gruia, Keffer & Sarbu, 1994 [species]
Nepa cinerea Linnaeus, 1758 [species]
Nepa hoffmanni Esaki, 1925 [species]
Nepa sardiniensis Hungerford, 1928 [species]