http://orcid.org/0000-0002-9345-5607
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Abstract
Twenty-eight species of water beetles and shore beetles are recorded for the first time from Mongolia: Dytiscidae (16): Acilius sulcatus (Linnaeus, 1758), Agabus amoenus (Solsky, 1874), A. blatta Jakowlew, 1897, A. japonicus continentalis Guéorguiev, 1970, A. moestus (Curtis, 1835), A. thomsoni (Sahlberg, 1871), Bidessus nasutus Sharp, 1887, Colymbetes dolabratus (Paykull, 1798), Dytiscus circumcinctus Ahrens, 1811, Hydaticus aruspex Clark, 1864, H. continentalis Balfour-Browne, 1944, Hydroglyphus trassaerti (Feng, 1936), Hygrotus confluens (Fabricius, 1787), Laccornis oblongus (Stephens, 1835), Nebrioporus assimilis (Paykull, 1798), Rhantus rufus Zimmermann, 1922; Helophoridae (3): Helophorus bergrothi Sahlberg, 1880, H. kryzanovskii Angus, 1984, H. timidus Motschulsky, 1860; Hydrophilidae (6): Crenitis apicalis (Reitter, 1896), Enochrus coarctatus (Gredler, 1863), E. melanocephalus (Olivier, 1792), E. testaceus (Fabricius, 1801), Laccobius syriacus Guillebeau, 1896, Paracymus chalceolus Solsky, 1874; Hydraenidae (1): Ochthebius joosti Jäch, Citation1992; Heteroceridae (2): Augyles obliteratus (Kiesenwetter, 1843), Heterocerus marginatus (Fabricius, 1787). The presence of Haliplus ruficollis (De Geer, 1774) (Haliplidae), Hydroglyphus hamulatus (Gyllenhal, 1813) (Dytiscidae), Cercyon marinus (Thomson, 1853), Hydrophilus dauricus Mannerheim, 1852, Paracymus aeneus (Germar, 1824) (Hydrophilidae), and Ochthebius evanescens Sahlberg, 1875 (Hydraenidae) in Mongolia is confirmed by new findings. For 76 species, new faunistic records are listed.
Acknowledgements
We are grateful to Hans Fery (Berlin, Germany) and Anders N. Nilsson (Nordmaling, Sweden) for their help in identifying some of the specimens and to Andrey Przhiboro (St. Petersburg, Russia) for providing numerous specimens of Heteroceridae. We are most obliged to Davaadorj Enkhnasan (Ulaanbaatar, Mongolia) for valuable information. Finally, Namkhaidorj Balgan (Ulaanbaatar, Mongolia) and Ayush-suren Chananbaatar (Ulaanbaatar, Mongolia) are thanked for collecting additional interesting specimens.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Funding
Part of the material was collected by A. Prokin, A. Sazhnev and A. Przhiboro during an expedition of the hydrobiological team of the ‘Joint Russian-Mongolian complex biological expedition of the Russian and Mongolian Academies of Sciences’, which was performed in the framework of the Russia state assignment (theme number аааа-а18-118012690105-0). The work of J. Hájek was supported by the Ministry of Culture of the Czech Republic (DKRVO 2019-2023/5.I.a, National Museum, 00023272).