Abstract
The species of the genus Mesonemoura from China are keyed. Two species, Mesonemoura nielamuensis sp. n. and M. tritaenia sp. n., are described as new to science, and their relationships are discussed.
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Acknowledgements
We are very indebted to Prof. Jian Yao and Ms. Xiaolin Chen (Beijing) for their kind permission to examine the collection of IZCAS. The research was supported by the National Natural Science Foundation of China (No. 30225009).