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How to tell if your
beetle is a dung
beetle
References
Glossary
The importance of
Dung Beetles
Acknowledgements
Diorygopyx niger
Distribution
Common in the Coffs Harbour and Dorrigo area, New South Wales, up to an altitude of 1500m. In open and closed forest.
Description
Total length 5.0-8.5mm. With a very faint blue-green tinge.
Head: Clypeal teeth separated. Surface obsoletely punctate.
Prothorax: Pronotal surface minutely punctate, very shiny.
Elytra: Very finely shagreened, impunctate. Striae indistinct. Edges of humeral pseudepipleura distinct, sharply folded. Pseudepipleura very short, epipleura very broad.
Sterna: Lateral edges of median lobe of metasternum narrowly margined, inner edge of margin straight.
Legs: Fore tibiae slender for most of its length, suddenly broadened distally to form a large, inwardly directed subquadrate lobe. Inner edge with irregular, coarse teeth.
Abdomen: Pygidium with a complete transverse fissure, of which the upper margin is strongly sinuate and strongly produced downwards.
Sexual dimorphism
Female: Inner edge of fore tibiae not toothed. Tibiae more gradually broadened.
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