Walchia (Walchia) delicatula (Schluger, Grochovskaja, Ngu, Hoe and Tung, 1960)

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 : 278

* Walchia (Walchia) delicatula (Schluger, Grochovskaja, Ngu, Hoe and Tung, 1960)

Material examined. Bắc Kạn (near Ba Bể National Park)— Niviventer lotipes ( AB, June 2016, 1 larva), Nghe An (Hoa Binh, near Pu Mat National Park)— Rhizomys pruinosus , Callosciurus inornatus (Gray) (April 2018, 2 larvae), Tuyen Quang (near Na Hang)— Dremomys ornatus Thomas (April 2018, 1 larva), Thanh Hoa (Muong Lat, Phu Nhi commune, Noong village)— Tamiops swinhoei (April 2019, 1 larva), Thanh Hoa (Muong Lat, Phu Nhi commune, Hua Pu village)— Rattus losea (April 2019, 1 larva), Hai Phong (Cat Ba island)— Leopoldamys edwardsi ( ZMMU, November 2011, 14 larvae), Lạng SƠn province (near Hữu Liên Nature Reserve)— Tonkinomys daovantieni ( ZMMU, May 2012, 51 larvae).

Distribution. Vietnam: Quảng Ninh (Cǻm Phả)— Tupaia sp. , Rattus norvegicus, Hà Giang — Rhizomys pruinosus ( Schluger et al. 1960b; Grochovskaja 1967); SƠn La (Mộc Chau)— Rattus tanezumi (= R. flavipectus ) ( Chau et al. 2007; Stekolnikov 2021).