Heteronyx piceoniger is a species of beetle of the family Scarabaeidae. It is found in Australia (Western Australia).
Description Adults reach a length of about . They are black or dark castaneous. The disc of the pronotum is irregularly punctured, with large unpunctured areas and the propygidium has a narrow posterior margin consisting of a row of punctures with short, pale setae. The setae on the disc of the elytra are erect.
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