The East Asian mountain haemaphysalid, (Haemaphysalis hystricis), is a hard-bodied tick of the genus Haemaphysalis. It is found in India, Sri Lanka, Vietnam, Myanmar, China, Japan, India, Indonesia, Laos, Taiwan and Thailand. It is an obligate ectoparasite of mammals. It is a potential vector of Kyasanur Forest disease virus, Coxiella sp., Ehrlichia sp., and Rickettsia japonica. In 2007, an unknown trypanosoma species known as Trypanosoma KG1 isolate was isolated from naturally infected H. hystricis ticks.