Thamiaraea is a genus of beetles belonging to the family Staphylinidae. It was established in 1858 by Carl Gustaf Thomson.

This genus has cosmopolitan distribution.

Species include: Thamiaraea americana Bernhauer, 1907 Thamiaraea brittoni (Casey, 1910) (= T.lira, T.paralira) Thamiaraea cinnamomea Thamiaraea cognata Sharp, 1883 Thamiaraea hospita (Märkel, 1844) Thamiaraea salvini Sharp, 1883 Thamiaraea tsitsilasi Pace Thamiaraea variegata Sharp, 1883

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