FaunaNet

Dung
Beetles

of eastern NSW




Diorygopyx incrassatus


Distribution
The Hastings River valley and Ramornie State Forest, New South Wales.

Description
Total length 7.5-9.5mm.

Head: Clypeal teeth joined into a single, forked process. Surface minutely punctate to nearly smooth.

Prothorax: Pronotal surface very finely and indistinctly punctate, nearly smooth on disc.

Elytra: Finely shagreened, impunctate. Striae distinct. Edges of epipleura indistinct, broadly rounded.

Sterna: Lateral edges of median lobe of metasternum narrowly margined anteriorly, inner edge of margin straight.

Legs: Fore tibiae massive, gradually broadened distally. Inner edge with only a few coarse teeth, the basal one very large.

Abdomen: Pygidium with a straight, complete transverse fissure, which is nearly closed and much shallower medially.

Sexual dimorphism
Female: Clypeal teeth separated. Inner edge of fore tibiae not toothed.

References
Matthews, E.G. (1974) A revision of the Scarabaeine dung beetles of Australia. II. Tribe Scarabaeini. Aust. J. Zool. Suppl. Ser. 24: 1-211.