The exoskeleton of this bessbug is shiny black, like patent leather.

Of North American species, Odontotaenius disjunctus (synonym: Popilius disjunctus) is the familiar bessbug found throughout the eastern US and Canada, while O. floridanus has only been found in Florida on sand hills that used to be islands when Florida was flooded thousands of years ago.

Passalidae (bess beetles)

While the taxonomy of Nearctic species is well-known (four species in the US, and 90 in Mexico), bess beetles in other parts of the world need further study.

Passalus punctatostriatus is a Betsy beetle of the Family Passalidae.

Paxillus pentataphylloides is a species of beetle in the family Passalidae.

Passalus is a genus of beetles of the family Passalidae.

A contribution towards the revision of the Passalidae of the world (1918)

"What you were watching is the one East Coast species of the family Passalidae," he e-mailed me back.

Spurius bicornis is a beetle of the Family Passalidae.

Their lifecycles are very similar to the other genera of Scarabaeoidea (i.e. Passalidae and Lucanidae).

Particularly appreciated are the larvae of the following families: Cerambycidae, Scarabaeidae, Melolonthidae, and Passalidae.

Publius agassizi is a beetle of the family Passalidae, named in honor of Louis Agassiz.

Passalus punctiger, common name Passalid Beetle, is a Betsy beetle of the family Passalidae.

It notably contain insects, Arachnida and Myriapoda from limestone caves in Burma (1911), and oriental Passalidae.

The patent-leather beetle or "Jerusalem beetle" (Odontotaenius disjunctus) is a beetle in the family Passalidae which can grow to just over an inch-and-a-half long.

Passalidae is a family of beetles known variously as "bessbugs", "bess beetles", "betsy beetles" or "horned passalus beetles".

When working as Assistant Superintendent at the Indian Museum, Calcutta, Dr. Gravely conducted pioneering classification work on the family Passalidae.

Kuwert described many new species of Passalidae, Cleridae, Helophoridae, Hydrophilidae, Hydraenidae, Elmidae, Heteroceridae and Dryopidae.

A phylogeny is presented for the four tribes of the Geotrupinae, nine subfamilies of Scarabaeidae, and the Passalidae and Lucanidae based on analysis of 39 adult and larval characters.

Ogyges championi is a beetle of the Family Passalidae known from the cloud forests of the mountains of Sierra de las Minas and Sierra de los Cuchumatanes in Guatemala.