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How to tell if your
beetle is a dung
beetle
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Glossary
The importance of
Dung Beetles
Acknowledgements
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.
Copyright © Australian Museum 2016
Authors: Rebecca Harris & Dr. Chris Reid