On the taxonomy of chigger mites (Acariformes: Trombiculidae) parasitizing birds in Thailand and Malaysia, with the description of a new species Author K, Sirikamon Koosakulnirand Author RajasegaranK, Praveena Tropical Infectious Diseases Research and Education Centre, Universiti Malaya, Kuala Lumpur, & Institute for Advanced Studies, Universiti Malaya, Kuala Lumpur, Malaysia. Author Alkathiry K, Hadil A. Author ChaisiriK, Kittipong Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand. Author RoundK, Philip D. Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. Author Eiamampai, Krairat Department of National Park Wildlife and Plant Conservation, Ministry of Natural Resources and Author Ahmad KhusainiK, Mohd K. S. Wildlife Conservation Division, Department of Wildlife and National Parks Peninsular Malaysia, Author RamjiK, Mohamad Fizl Sidq Faculty of Resources Science and Technology, University Malaysia Sarawak, Kota Samarahan, Sarawak, Author AbubakarK, Sazaly Tropical Infectious Diseases Research and Education Centre, Universiti Malaya, Kuala Lumpur, Author Ya’cobK, Zubaidah Tropical Infectious Diseases Research and Education Centre, Universiti Malaya, Kuala Lumpur, Author Stekolnikov K, Alexandr A. Laboratory of Parasitic Arthropods, Zoological Institute of the Russian Academy of Sciences, Saint Author Makepeace K, Benjamin L. Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK. text Acarologia 2023 2023-11-06 63 4 1109 1138 http://dx.doi.org/10.24349/yt89-g1ei journal article 10.24349/yt89-g1ei 2107-7207 10785781 Neacariscus ( Neacariscus ) pluvius (Wharton, 1945) ( Fig. 1A ) Distribution and hosts — This species was described from Bougainville Isl. ( Solomon Islands archipelago) and from Guam ( Mariana Islands ), ex Anous stolidus (L.), Anous tenuirostris (Temminck) ( Charadriiformes : Laridae ), Pluvialis dominica (Statius Müller) ( Charadriiformes : Charadriidae ), and Tringa incana (J.F. Gmelin) (syn.: Heteroscelus incanus ) ( Charadriiformes : Scolopacidae ). Loomis (1966) also reported N. pluvius from Ulithi Atoll ( Caroline Islands ), ex Tringa incana and Sterna sumatrana Raffles ( Charadriiformes : Laridae ). Here this species is for the first time recorded in Asia ( Thailand ). Charadrius leschenaultii and Xenus cinereus are new host species. Material examined — Three larvae ( ZIN 17963 – 17965) ex two Charadrius leschenaultii and one Xenus cinereus , THAILAND , Trang province , Samran Beach, 7.201348°N , 99.562105°E and 7.209399°N , 99.557854°E , 17 and 19 March 2021 , coll. S. Koosakulnirand.