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Genus DiorygopyxSpecies found in eastern New South Wales: D. asciculifer, D. duplodentatus, D. incomptus, D. incrassatus, D. niger, D. tibialis, D. simpliciclunis. Other species: (Qld): D. cuspidatus
Distribution
Description 2 small clypeal teeth, edge around teeth thickened. Anterior part of underside of pronotum excavated. Elytra: elytra with 9 striae, of which 7 are dorsal, the other 2 short and at edge of deflexed humeral portion. Striae indistinct, simple, with very few punctures. Intervals flat. Surface strongly deflexed at humeral angles along the 8th stria, resembling a short pseudepipleuron for anterior third of elytra. Epipleura very narrow, with strongly sinuate margins. Hind wings: Vestigial in all species except D. tibialis, in which they are only slightly reduced. Legs: Fore tibiae broadened distally, with 3 small teeth on outer edge, inner edge varying between species and sexes. Middle coxae moderately convergent. Claws large and strongly toothed. Abdomen: Pygidium finely bordered except at base, which is greatly thickened; disc is strongly convex, glabrous and covered with minute punctures, with a transverse fissure along basal edge which is more or less closed according to species.
Sexual dimorphism
Similar Genera
Monoplistes, of a similar shape, black and shiny.
Onthophagus, of a similar size and general shape (some species), black and shiny.
Ecology
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. |
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