Sentence:  The <WSD>kedani</WSD> mite (Trombicula akamushi) is the vector of Japanese river fever or tsutsugamushi disease in the northern part of Japan, in Formosa, the Yangtze valley of China, Siam, French Indo-China and Malaya. 
Meaning of the word marked with <WSD> tags:  A species of mite ((noshow=1)) found in Japan.