Hydrachnellae - Morphology Systematics - A primary Study of Chinese Fauna

This book describes 113 species in 45 genera or subgenera, 27 families or subfamilies, in which 51 species are new to science, 4 species, 4 genera or
subgenera and 3 families or subfamilies new to Chin. The author expects that the book could contribute to the knowledge of the world fauna of water mite and stimulate the study in China.