This genus has been considered synonymous with Ludius Esch. but seems distinct by the following characters: form usually robust and strongly convex; front moderately convex, not margined; prothorax wider than long; elytrai striae moderately impressed at base, very feeble or obsolete elsewhere; prosternal lobe rather short; the prosternal process in lateral aspect very strongly arcuate between the coxae and with the apical portion strongly oblique; the prosternal sutures almost straight; coxal plates narrow, more or less narrowed externally; tarsi filiform, the claws simple. Type Limonius estriatus Lec.