Superfamily Scarabaeoidea Latreille, 1802 Family Scarabaeidae Latreille, 1802 - scarab beetles, dung beetles, and june "bugs" Subfamily Melolonthinae Leach, in Samouelle, 1819 Tribe Hopliini Latreille, 1829 Subtribe Pachycnemina Laporte, 1840 Genus Pachycnema LePeletier & Serville, 1828a