Ictigaster is a genus of beetle of the family Scarabaeidae. It is monotypic, being represented by the single species, Ictigaster ruficollis, which is found in Australia (South Australia).
Description Adults reach a length of about . The head, pronotum, scutellum, ventral surface of thorax and pygidium are bright reddish brown. The scutellum is densely punctured at the sides, with a median unpunctured area.
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