Dichelus Le Peletier de Saint-Fargeau &Audinet-Serville, 1828

[43 species and 1 additional subspecies].

Type species Melolontha dentipes Fabricius, 1781, by monotypy.

Trichidius Billberg, 1820b .

Type species Trichidius aurantiacus Billberg, 1820, by monotypy. Synonymy by Dalla Torre (1913).

Dichelus (Ischnochelus) Burmeister, 1844, as Ischnochelus .

Erected for seven species ( Ischnochelus bipartitus Burmeister, 1844; Ischnochelus humeralis Burmeister, 1844; Ischnochelus minutus Burmeister, 1844; Ischnochelus parvulus Burmeister, 1844; Ischnochelus pauperatus Burmeister, 1844; Ischnochelus sulcatus Burmeister, 1844; Ischnochelus timidus Burmeister, 1844) but no type species designated.

Status revised to Dichelus (Ischnochelus) by Schein (1958a).