Pachyosa atronotata is a species of beetle in the family Cerambycidae. It was described by Kusama and Irie in 1976. It is known from Japan.BioLib.cz - Pachyosa atronotata. Retrieved on 8 September 2014.

Subspecies Pachyosa atronotata atronotata (Kusama & Irie, 1976) Pachyosa atronotata yamawakii (Hayashi, 1976)

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