Macronyssus ellipticus (Kolenati, 1856) Caris ellipticus Kolenati, 1856: 16. Liponyssus ellipticus.— Hirst, 1922: 795. Ichoronyssus mohrae Vitzthum, 1932: 32 (synonymy by Radovsky, 1966). Ichoronyssus ellipticus.— Pinchuk, 1970: 82. Macronyssus ellipticus.—Fonseca, 1941: 263; Radovsky, 1966: 94; 1967: 128; Beron, 1968: 159; Haitlinger, 1978: 707; Haitlinger & Ruprecht, 1985: 616; Baker & Beccaloni, 2006: 173; Scheffler, 2010; Radovsky, 2010: 56. Type locality: unknown. Type host: Myotis myotis (Kolenati, 1856). Material. F, 4 N1 ex Natterer’s bat Myotis nattereri, from Staritsa, 29 February 2020, leg. O.L. Orlov, A.A. Emelyanova; 9 N1 ex Myotis nattereri, N1 ex Myotis mystacinus, 3 N1 ex Myotis brandtii, from Samara, 25 November 2001, leg. D.G. Smirnov; N1 ex M. brandtii, M ex Plecotus auritus, 5 N1 ex M. daubentonii, 4 N1 ex M. dasycneme, from SNR “Samarskaya Luka”, 1-31 May 2005 leg. D.G. Smirnov. Distribution in Russian Federation: Leningrad Province (Stanyukovich, 1990a; Orlova et al., 2015d), Tver Province (present paper), Samara Province (present paper), Northern Osetiya Republic (Stanyukovich, 1997), Sverdlovsk Province (Orlova, 2011), Chelyabinsk Province (Orlova & Orlov, 2013), Altai Region (Orlova et al., 2017a), Primorskiy Region (Tiunov et al., 2021), [Far East] (Stanyukovich, 1997), [Urals, Altai] (Orlova et al., 2015d). Distribution outside Russian Federation: Europe (Radovsky, 1967), Central Asia (Stanyukovich, 1997). Hosts. Myotis myotis (Radovsky, 1967), M. blythii (Radovsky, 1967), M. brandtii (Orlova, 2011), M. dasycneme (Stanyukovich, 1990a), M. daubentonii (Stanyukovich, 1990a), M. nattereri (Stanyukovich, 1997; present paper), M. brandtii (Stanyukovich, 1990a), M. macrodactylus (present paper), M. mystacinus (Orlova & Orlov, 2013), Vespertilio murinus (Beron, 2014), Plecotus auritus (Orlova & Orlov, 2013), Murina hilgendorfi (as M. leucogaster — Stanyukovich, 1997), Rhinolophus ferrumequinum (Radovsky, 1967), Rh. hipposideros (Radovsky, 1967), Miniopterus schreibersi (Beron, 2014).Published as part of Orlova, M. V., Klimov, P. B., Orlov, O. L., Smirnov, D. G., Zhigalin, A. V., Budaeva, I. V., Emelyanova, A. A. & Anisimov, N. V., 2021, A checklist of bat-associated macronyssid mites (Acari: Gamasina: Macronyssidae) of Russia, with new host and geographical records, pp. 537-564 in Zootaxa 4974 (3) on page 546, DOI: 10.11646/zootaxa.4974.3.4, http://zenodo.org/record/477806