Black Bess Beetle - Mastachilus sp.

Study insects and spiders in backyard, Brisbane, Queensland, Australia. Discussion of insects and spiders evolution.

Other beetle species - Canberra & Southern Tablelands

Passalid Beetle

Beetles - Binginwarri Landcare Group

Black Bess Beetle

Black Bess Beetle - Mastachilus sp.

Black Bess Beetle - Mastachilus sp.

horned passalus - Odontotaenius disjunctus (Illiger)

Passalidae - Wikipedia

Bess Beetle - The Australian Museum

Passalid Beetle

Horned Passalus (Bess) Beetle – Field Station

Other beetle species - Canberra & Southern Tablelands

Black Bess Beetle - Mastachilus sp.

Bess Beetles - FAMILY Passalidae, Aulacocyclus sp. (? A. edentulus)