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Fall Fund Drive


Genus Odontotaenius

Horned Passalus in Tunnel - Odontotaenius disjunctus Beetle from North Bass Island, Ohio - Odontotaenius disjunctus Horned Passalus - Odontotaenius disjunctus Horned Passalus - Odontotaenius disjunctus Odontotaenius disjunctus Large, Black Beetle - Odontotaenius disjunctus Patent-leather Beetle? - Odontotaenius disjunctus Beetle under rotten log - Odontotaenius disjunctus
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 Passalidae (Bess Beetles)
Genus Odontotaenius
Explanation of Names
Odontotaenius Kuwert 1896
Odontotaenius = 'dentate band/strip'
2 spp. in our area, 5-8 total(1)(2)
30-40 mm
Distinctive elongated, flattened shape; antennae not elbowed, slightly lamellate(3)
New World, mostly the Neotropics; O. disjunctus is widespread in e. US, O. floridanus is a FL endemic(1)(2)
rotting logs
Works Cited
1.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.
2.Odontotaenius floridanus new species (Coleoptera: Passalidae): a second U.S. passalid beetle
Schuster J.C. 1994. Florida Entomologist 77: 474-478.
3.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.