The spider wasp genus Erythropompilus Shimizu & Pitts, 2021 (Hymenoptera, Pompilidae) in China, with description of two new species and an updated key to world species.

The taxonomy of the genus Erythropompilus from China is studied, with description of two new species, namely Erythropompilus venterisetalis Wu & Ma, sp. nov., and Erythropompilus macroplacoideus Wu & Ma, sp. nov. Additionally, the genus is newly recorded from mainland China, and E. thailandensis is newly recorded from China. An updated key to the world species of Erythropompilus is provided.