Notes on Nilothauma Kieffer from Oriental China with descriptions of three new species (Diptera Chironomidae)

摘要

Three new species of Nilothauma Kieffer are described and figured from Oriental China: Nilothauma angustum >sp. n. based on the male only, Nilothauma aristatum >sp. n. based on the male, pupa and larva, and Nilothauma bilobatum >sp. n. based on the male and pupa. In addition, new distribution records are given for Nilothauma japonicum Niitsuma, Nilothauma nojirimaculatum Sasa, Nilothauma hibaratertium Sasa, and Nilothauma acre Adam & Sæther. A key to known males of Nilothauma Kieffer in China is provided.