Superfamily Scarabaeoidea Latreille, 1802 Family Scarabaeidae Latreille, 1802 - scarab beetles, dung beetles, and june "bugs" Subfamily Melolonthinae Leach, in Samouelle, 1819 Tribe Pachydemini Burmeister, 1855, nom. protect. Genus Pachydema Laporte, 1832b