Colpochila sinuaticollis is a species of beetle of the family Scarabaeidae. It is found in Australia (South Australia, Western Australia).
Description Adults reach a length of about . They are very variable in colour. In some specimens, the head, pronotum and elytra are black. However, the pronotum and elytra may also be reddish. The length of the setae along the margins of the elytra and the posterior margin of the propygidium is also variable.
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