AnimaliaHymenopteraChrysididaeRosaPaoloProshchalykinMaxim Yu.HaladaMarekAibekUlykpanFirst checklist of the chrysidid wasps (Hymenoptera, Chrysididae) of Mongolia, with description of new speciesZookeys301120209994910710.3897/zookeys.999.58536F4EAF101-00E8-5CC4-B51B-64BD794EECD0 Omalus aeneus (Fabricius, 1787) Chrysis aeneaFabricius, 1787: 284. Holotype ♀; Germany: Hala Saxonum [= Halle] (Copenhagen) (examined).Material examined.

Mongolia: Tuv, 1 ♀, 50 km E of Ulaanbaatar, Tuul River, 22.VI.2003, leg. JH (MHC); Ulaanbaatar, 1 ♀, Ulaanbaatar, Tuul River valley, 12.VII.2003, leg. JH (MHC).

Distribution.

*Mongolia (Tuv, Ulaanbaatar); Holarctic and Oriental: from Europe and North Africa to Japan and Taiwan (Wei et al. 2014). Probably accidentally introduced to North America (Kimsey and Bohart 1991).

WeiNSRosaPLiuJXXuZF (2014) The genus Omalus Panzer, 1801 (Hymenoptera, Chrysididae) from China, with descriptions of four new species.ZooKeys407: 2954. https://doi.org/10.3897/zookeys.407.7531