Superfamily Scarabaeoidea Latreille, 1802
Family Scarabaeidae Latreille, 1802 - scarab beetles, dung beetles, and june "bugs"
Subfamily Melolonthinae Leach, in Samouelle, 1819
Tribe Xylonichini Britton, 1957, nom. emend.
see Tribe Stethaspini Burmeister, 1855
Genus Xylonichus Boisduval, 1835