Four new species of the genus Gasteruption Latreille, 1796 (Hymenoptera: Evanioidea: Gasteruptiidae: Gasteruptiinae) are reported from NW China: three from Shaanxi province and one from Ningxia province. The new species (G. bicoloratum Tan & van Achterberg, sp. n., G. huangshii Tan & van Achterberg, sp. n., G. pannuceum Tan & van Achterberg, sp. n., and G. shengi Tan & van Achterberg, sp. n.) and three newly recorded species (G. sinepunctatum Zhao, van Achterberg & Xu, 2012, G. boreale (Thomson, 1883) and G. oshimense Watanabe, 1924) are keyed and fully illustrated. In total, seven species are known from Shaanxi province, which is approximately half of the expected number. The East Palaearctic specimens provisionally identified as G. tournieri Schletterer, 1885, by Zhao et al. (2012) are included under G. oshimense Watanabe, 1924.

Gasteruption, Heilongjiang, Inner Mongolia, key, Mongolia, new species, new record, Ningxia, Shaanxi
dx.doi.org/10.3897/zookeys.612.9751
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Tan, J.-L, van Achterberg, C, Tan, Q.-Q, & Chen, X.-X. (2016). Four new species of Gasteruption Latreille from NW China, with an illustrated key to the species from Palaearctic China (Hymenoptera, Gasteruptiidae). ZooKeys, 612, 51–112. doi:10.3897/zookeys.612.9751