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How to tell if your
beetle is a dung
beetle
References
Glossary
The importance of
Dung Beetles
Acknowledgements
Diorygopyx asciculifer
Distribution
Barrington Tops and surrounding area, New South Wales, in closed forest.
Description
Total length 5.5-7.5mm.
Head: Clypeal teeth widely separated, with a small median tooth on lower edge. Surface densely covered with small punctures.
Prothorax: Pronotal surface very densely punctate with small, indistinct punctures becoming minute in middle of disc.
Elytra: Very finely shagreened, alutaceous, with very minute punctures. Striae distinct. Edges of humeral pseudepipleura slightly rounded.
Sterna: Lateral edges of median lobe of metasternum narrowly margined laterally, inner edge of margin sinuate.
Legs: Fore tibiae very slender right up to apex, where it suddenly broadens to form a narrow inwardly directed trapezoidal lobe. Teeth on inner edge small and irregular.
Abdomen: Pygidium entirely closed, without a transverse fissure, but with traces of the lateral portions remaining as fine impressed lines.
Sexual dimorphism
Female: Inner edge of fore tibia not toothed, more strongly concave distally, forming a subtriangular lobe. Prothorax slightly converging anteriorly.
References
Copyright © Australian Museum 2016
Authors: Rebecca Harris & Dr. Chris Reid