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Tribe Deltochilini

Humpback Dung Beetle - Deltochilum gibbosum Tumblebug - Canthon The Battle for the Ball - Canthon floridanus Canthon humectus (Say) - Canthon humectus Canthonini - Canthon Canthon vigilans LeConte - Canthon vigilans Canthon indigaceus? - Canthon indigaceus - male Unknown scarab? - Canthon
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Scarabaeidae (Scarab Beetles)
Subfamily Scarabaeinae (Dung Beetles)
Tribe Deltochilini
Synonyms and other taxonomic changes
Canthonini --see (1)
Explanation of Names
Deltochilini Lacordaire 1856
Numbers
~30 spp. in 5 genera in our area(2), 800 spp. in 120 genera total (Scholtz et al. 2009)
Identification
metatibia slender (left)


Key to the genera/subgenera (Malagoniella not included)

1 Anterior tarsi absent .................................. Deltochilum

Anterior tarsi present ................................... 2

2 Metatibia with 2 terminal spurs ............. Melanocanthon

Metatibia with one terminal spur .......... 3

3 Clypeus bidentate or notched ........................... 4

Clypeus quadridentate ..................................... 5

4 Black, bronze, sometimes with greenish hue; granulate; 11-22 mm ....................... Canthon s. str.
Bright green or purple bronze, never gray or black; shiny; 2-4 mm .................... Canthon (Glaphyrocanthon)
5(3) Metafemur anteriorly unmargined; clypeal teeth large; granulate black; 4-10 mm ..... Canthon (Boreocanthon)
Metafemur anteriorly margined; clypeal teeth small; shiny metallic; 3-5 mm ....... Pseudocanthon [Similar to Ateuchus, but legs slender]
Works Cited
1.Family-group names in Coleoptera (Insecta)
Bouchard P. et al. 2011. ZooKeys 88: 1–972.
2.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.