A new species of Xenotarsonemus Beer, 1954 (Acari: Heterostigmatina: Tarsonemidae), Xenotarsonemus krishnai sp. nov. Mondal & Ganguly is described based on the specimens collected from the fern species Arthromeris wallichiana naturally grown in the Himalayan forests of Darjeeling district in the state of West Bengal, India. This registers the first species of Xenotarsonemus from India and the eighth species from the Asian continent. A note on the ventral coxisternal fissures of Xenotarsonemus species and keys to differentiate the Asian species are provided.