[1][2][3] Adults of this species are usually around 3.4 cm long and black, while nymphs vary between 7 and 35 mm in length, the average length being roughly 17 mm.

[4] Sexual dimorphism in the species is negligible.

[4] Panesesthia australis is mostly found in Eastern Australia, especially in New South Wales.

[5][3][2] Panesthia australis lives in family groups in rotting wood.

[5][4] The walls of their burrows are made of frass.