Xenoceraspis longimacularia is a species of beetle of the family Scarabaeidae.Global Biodiversity Information Facility It is found in China (Xizang) and India (Arunachal Pradesh).

Description Adults reach a length of about . They have an elongate, moderately convex body. The dorsal surface is brown, while the ventral surface is blackish brown. They are shiny with black and pale hairs.

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