Xu Zaifu

The genus Omalus Panzer, 1801 (Hymenoptera, Chrysididae) from China, with descriptions of four new species

Abstract The Chinese species of the genus Omalus Panzer, 1801 are revised and keyed for the first time. Eight species are recorded, of which four are new to science and one is new to China: Omalus aeneus (Fabricius, 1787), Omalus berezovskii (Semenov-Tian-Shanskij, 1932), Omalus potanini (Semenov-Tian-Shanskij, 1932), Omalus imbecillus (Mocsáry, 1889) (new to China), Omalus helanshanus sp. n., Omalus probiaccinctus sp. n., Omalus pseudoimbecillus sp. n., and Omalus tibetanus sp. n.

Contributions to the knowledge of the Chinese Primeuchroeus Linsenmaier, 1968 (Hymenoptera, Chrysididae), with a key to species.

Abstract The genus Primeuchroeus Linsenmaier, 1968 from China is revised and an illustrated identification key is produced for the first time. Three species are recorded from China, with one species, Primeuchroeus yongdaerianus Kim, new to China.