Walchia (Walchia) isonychia Nadchatram and Traub, 1964

Antonovskaia, A. A., Balakirev, A. E. & Lopatina, Y. V., 2023, New data on the distribution of chigger mites (Acariformes: Trombiculidae) associated with small mammals in Vietnam, Zootaxa 5346 (3), pp. 271-306 : 279

* Walchia (Walchia) isonychia Nadchatram and Traub, 1964

Material examined. Vietnam: Quảng Bình (Lệ Thủy, Lâm Thǔy, Tân Lý, Lệ Thủy)— Rattus nitidus , Bandicota indica , Rattus type IV, Berylmys bowersi , Leopoldamys herberti , Berylmys berdmorei (March 2017, 139 larvae), Lâm Đồng (near Bi Doup-Núi Bà National Park)— Maxomys moi , Rattus andamanensis (November 2015, 2 larvae), Thanh Hoa (Muong Lat, Phu Nhi commune, Cat Top, Na Tau, Pung Mua villages)— Niviventer mekongis (April 2019, 1 larva), Quảng Bình (Lệ Thủy)— Rattus andamanensis ( AB, February—March 2016, 53 larvae), Gia Lai (K’Bang, Buon Luoi)— Chiromyscus chiropus (Thomas) ( ZMMU, January 1988, 7 larvae), Bà R ịa-Vũng Tàu (Xuyên Mộc, near Bình Chau—PhƯớc Bửu Nature Reserve)— Callosciurus finlaysonii flavimanus ( ZMMU, February 2005, 1 larva), Kon Tum (near ChƯ Mom Ray National Park)— Niviventer bukit (Bonhote) ( AB, November 2014, 1 larva).

Distribution. China, Laos, Thailand ( Stekolnikov 2021), Vietnam: Thái Nguyên (Đại Từ), Nghệ An (TƯƠng DƯƠng), Hà Tĩnh (HƯƠng Khê), Thừa Thiên Huḗ (Nam Đông), Bình Định (Tây SƠn), Khánh Hòa (Đại Lãnh), Kon Tum, Lâm Đồng (Di Linh)— Rattus rattus , Rattus nitidus , Rattus norvegicus , Rattus tanezumi (= R. flavipectus ), Leopoldamys edwardsi (= R. edwardsi ), Maxomys moi (= R. r. alticola ) ( Maxomys alticola is endemic species in North Borneo, in Vietnam Maxomys moi inhabits mountainous regions), Niviventer niviventer (= R. niviventer ), Bandicota savilei (= B. bengalensis ), Tupaia belangeri (= Tupaia glis ) ( Chau et al. 2007; Stekolnikov 2021).