Six new species of the genus Nitela Latreille (Hymenoptera, Crabronidae) from China, with a key to the Oriental species

This paper presents a systematic study on the Chinese species of the genus Nitela. Six new species from Yunnan, Hainan, and Guangdong Provinces are described: Nitela carinifrons, Nitela noncrenulata, Nitela punctidorsalis, Nitela transcarinata, Nitela tumidiscuta, and Nitela vecarinata. Diagnostic characters distinguishing these species from their congeners are provided.

Additionally, three species are newly recorded from China: Nitela rugosa Williams, 1928, Nitela williamsi Menke, 1968 and Nitela domestica (Williams, 1928). A key to the Oriental species of the genus Nitela is provided.