Annotated checklist of the bat flies (Diptera: Nycteribiidae) of Romania Author Péter, Áron Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3 - 5, RO- 300472 Cluj-Napoca, Romania. Author Mihalca, Andrei Daniel 0000-0001-6076-7914 Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3 - 5, RO- 300472 Cluj-Napoca, Romania. & amihalca @ usamvcluj. ro; https: // orcid. org / 0000 - 0001 - 6076 - 7914 amihalca@usamvcluj.ro Author Sándor, Attila D. Department of Parasitology and Parasitic Diseases, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Calea Mănăștur 3 - 5, RO- 300472 Cluj-Napoca, Romania. & Department of Parasitology and Zoology, University of Veterinary Medicine, Budapest, Hungary. text Zootaxa 2022 2022-03-24 5120 1 111 127 journal article 20077 10.11646/zootaxa.5120.1.7 9128f830-c22d-4184-9537-5e0b4b6db548 1175-5326 6388954 0336B096-F90C-4AF3-BF32-4CA854E88F05 Nycteribia latreillii ( Leach, 1817 ) Published records. Avenul Betfia, Peştera Gaura cu Muscă ( Haelewaters et al. 2017 ; Sándor et al. 2018 ; McKee et al. 2019 ), host Mi. schreibersii . Peștera Buhui ( Burghele-Bălăcescu 1966 ; Negrea et al. 1967 ); Rosia ( Willemsen & Thomassen 2009 ); Peștera cu Apă din Valea Leşului ( Postawa & Nagy 2016 ), Canaraua Fetii, Leghia, Peștera Gaura cu Muscă, Peștera Liliecilor de la Gura Dobrogei ( Haelewaters et al. 2017 ; Sándor et al. 2018 ; McKee et al. 2019 ) host My. blythii . Peștera Fuşteica, Peştera de la Izverna, Peștera Liliecilor de la Gura Dobrogei ( Decu-Burghele 1962 ); Peștera de la Izvorul Tăușoarelor, Peștera de la Izverna, Peștera Comarnic, Peștera Fușteica, Peștera Liliecilor-Carașova ( Burghele-Bălăcescu 1966 ); Peștera Comarnic, Peştera Liliecilor ( Negrea et al. 1967 ); Peștera Urșilor ( Gheorghiu 2006 ); Rosia, Cheile Cuților, Cheile Albioarei, Doline ( Willemsen & Thomassen 2009 ); Peștera cu Apă din Valea Leşului ( Postawa & Nagy 2016 ); Avenul Betfia, Peştera Gaura cu Muscă ( Haelewaters et al. 2017 ; Sándor et al. 2018 ; McKee et al. 2019 ), host My. myotis . Peștera Liliecilor de la Gura Dobrogei ( Decu-Burghele 1962 ), host Rhinolophus mehelyi Matschie. Peștera Liliecilor de la Mănăstirea Bistrița ( Decu-Burghele 1963 ); Peștera Liliecilor de la Mănăstirea Bistrița ( Burghele-Bălăcescu 1966 ); Peștera Fușteica ( Burghele-Bălăcescu 1966 ), host unknown. Material examined. Avenul Betfia, 07.05.2019 , 4 females , 1 male ; Mocrea, 08.05.2019 , 1 female ; 18.09.2020 , 1 female ; Peștera de la Gura CetățiiParoș, 13.09.2019 , 1 female , 1 male , host Mi. schreibersii . Avenul Betfia, 07.05.2019 , 2 females , 2 males ; Canaraua Fetii, 22.05.2017 , 2 females ; 02.08.2018 , 11 females , 13 males ; 20.09.2019 , 2 females ; 21.05.2020.21, 4 females , 4 males ; Leghia, 04.05.2018 , 1 female , 3 males ; Peștera Liliecilor de la Gura Dobrogei, 14.05.2017 , 1 female ; Peștera Lócsűr (Cheile Vârghișului), 02.09.2020 , 1 female , 1 male ; Peștera Mare de la Merești, 03.09.2020 , 2M; Peștera Gaura Ungurului de la Pecinișca, 2017.09.05 , 1 female , host My. blythii . Canaraua Fetii, 02.08.2018 , 1 female , 6 males , host Myotis capaccinii (Bonaparte) . Canaraua Fetii, 31.07.2018 , 1 female ; 02.08.2018 , 10 females , 12 males ; Peștera Liliecilor de la Gura Dobrogei, 24.04.2019 , 2 females , 1 male ; Peștera Lócsűr (Cheile Vârghișului), 23.08.2018 , 2 males ; Somova, 21.09.2019 , 3 males , host My. daubentonii . Avenul Betfia, 07.05.2019 , 15 females , 25 males ; Canaraua Fetii, 02.08.2018 , 1 female , 5 males , 21.09.2019 , 1 male ; 2019.08.24 , 6 females , 2 males ; Peștera Mare de la Merești, 21.04.2020 , 2 females , 1 male ; 02.09.2020 , 1 female , 1 male ; Peștera de la Întorsuri, 21.09.2020 , 1 female ; Peștera Osoi, 22.09.2020 , 1 female ; Țifra, 28.05.2020 , 1 female , host My. myotis . Peștera Mare de la Merești, 24.08.2019 , 2 females , 2 males , host N. noctula . Canaraua Fetii, 01.08.2018 , 1 female , host Pipistrellus nathusii (Keyserling & Blasius) . Canaraua Fetii, 27.05.2019 , 1 male , host Rhinolophus euryale Blasius. Canaraua Fetii , 31.07.2018 , 3 females , 4 males ; Gilău, 04.05.2017 , 1 female , host R. ferrumequinum . Distribution. One of the most widespread nycteribiid species in Europe, Asia, and North Africa ( Szentiványi et al. 2016 ). Common in Romania , collected from all historical regions with 36 distinct geographical records altogether. Remarks. One of the typical ectoparasites of the two largest Myotis Kaup species in Europe ( My. blythii and My. myotis ), also frequently collected from other cave-dwelling species present in the same roosts as its primary hosts. Here, we report a new host-parasite association for this species (on R. mehelyi ).