Isochnus

Isochnus is a genus of beetles belonging to the family Curculionidae.

The species of this genus are found in Europe and Northern America.

Species:
 * Isochnus angustifrons (A.Hustache, 1931)
 * Isochnus arcticus (Korotyaev, 1976)
 * Isochnus flagellum (Erichson, 1902)
 * Isochnus foliorum (O.F.Mueller, 1764)
 * Isochnus goniophallus (Anderson, 1989)
 * Isochnus kamchaticus (Morimoto, 2000)
 * Isochnus populi (A.Hustache, 1931)
 * Isochnus saliceti (A.Hustache, 1931)
 * Isochnus sequensi (Stierlin, 1894)