Digitonthophagus bonasus, is a species of dung beetle found in India, Sri Lanka, Pakistan, Nepal, Myanmar, Thailand, Afghanistan, Vietnam and Cambodia.

[1][2][3][4] This shiny, very broadly oval and convex species has an average length of about 12 to 17 mm.

Head, and pronotum are greenish-black except a narrow pale margin at the sides and base.

In male, a short, acute, erect horn located in the middle of the forehead, which is backwardly directed with a tubercle.

[5] Pronotum very smooth in front and behind, but scattered granules are found in its middle part.