Pseudopachystylum is a genus of flies in the family Tachinidae. It is a parasitoid of sawflies from the family Pamphiliidae.

Species Pseudopachystylum debile (Townsend, 1919) Pseudopachystylum gonioides (Zetterstedt, 1838) Pseudopachystylum marginale (Mesnil & Shima, 1978)

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