SCARABAEIDAE Author: John F. Lawrence, 2001. Classification Suborder Polyphaga, Series Scarabaeiformia, Superfamily Scarabaeoidea. Description Antenae with 7 to 10 segments and a 3 to 7 segments club. Antennal insertions exposed or concealed. Visible portion of procoxa projecting bellow prosternum with the trochantin concealed. Procoxal cavity externally closed and internally open. Mesocoxae contigous to separated by more than 1 coxal width, with mesocoxal cavity laterally open. Tarsal formula 5-5-5. Numberof ventrites rarely 5 or 6 without ventrites connate. Body length 1.5-110 mm. Body variable, glabrous or setose. Antennal club lamellate. Labrum and mandibles concealed in many groups. Tarsomeres rarely reduced in number. Quick identification Scarabaeidae is a highly diverse assemblage including dung-feeding Scarabaeinae and Aphodiinae, as well as the colorful Rutelinae, large horned Dynastinae and the flower beetles in Cetoniinae. Genera occurring in Costa Rica Aphodiinae: Aphodius, Aphotaenius, Ataeniopsis, Ataenius, Euparixia, Lomanoxoides, Martineziella, Parataenius, Platyomus, Rhyssemus, Saprositellus, Saprosites, Termitodius. Scarabaeinae: Agamopus, Ateuchus, Bdelyrus, Canthidium, Canthon, Copris, Coprophanaeus, Cryptocanthon, Deltochilum, Dichotomius, Eurysternus, Malagoniella, Megathoposoma, Ontherus, Onthocharis, Onthophagus, Pedaridium, Phanaeus, Pseudocanthon, Scatimus, Sisyphus, Sulcophanaeus, Trichillum, Uroxys. Orphninae: Aegidium. Melolonthinae: Astaena, Barybas, Ceraspis, Hoplia, Isonychus, Macrodactylus, Phyllophaga, Pseudoserica... Rutelinae: Anomala, Antichira, Bolax, Calomacraspis, Chlorota, Geniates, Heterosternus, Lagochile, Leucothyreus, Macropoides, Paratelaugis, Parsisolea, Pelidnota, Phalagogonia, Platycoelia, Plusiotis, Ptenomela, Rutela, Spodochlamys, Strigoderma, Thyridium... Dynastinae: Aegopsis, Amblyodus, Ancognatha, Archophileurus, Aspidolea, Bothynus, Coelosis, Cyclocephala, Dynastes, Dyscinetus, Enema, Erioscelis, Euetheola, Golofa, Goniophileurus, Hemiphileurus, Heterogomphus, Homophileurus, Ligyrus, Megaceras, Megasoma, Mimeoma, Parapucaya, Phileurus, Podischnus, Pucaya, Spodistes, Stenocrates, Strategus, Xyloryctes... Cetoniinae: Amithao, Argyripa, Balsameda, Cotinis, Chiriquibia, Dialithus, Euphoria, Genuchinus, Giesbertiolus, Golinca, Guatemalica, Gymnetis, Gymnetosoma, Hadrosticta, Hoplopyga, Inca, Marmarina, Trigonopeltastes. © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 © CSIRO Emtomology, 1999 Derechos Reservados INBio. Copyrights INBio