Classification
Tree [regio]Heteroptera [subordo]
Belostomatidae [familia]
Belostomatinae [subfamilia]
Diplonychus [genus]
Genus Diplonychus Laporte, 1833 contains the following taxa:
Diplonychus annulatus (Fabricius, 1781) [species]
Diplonychus esakii Miyamoto & Lee, 1966 [species]
Diplonychus rusticus (Fabricius, 1781) [species]