Taxonomy and nomenclature of some Fennoscandian Sawflies, with descriptions of two new species (Hymenoptera, Symphyta) Author Liston, Andrew https://orcid.org/0000-0002-1278-424X Senckenberg Deutsches Entomologisches Institut, Eberswalder Str. 90, 15374 Muencheberg, Germany andrew.liston@senckenberg.de Author Mutanen, Marko https://orcid.org/0000-0003-4464-6308 Ecology and Genetics Research Unit, PO Box 3000, 90014 University of Oulu, Oulu, Finland Author Heidemaa, Mikk Estonian Naturalists' Society, Struve 2, Tartu 51003, Estonia Author Blank, Stephan M. https://orcid.org/0000-0003-3142-9267 Senckenberg Deutsches Entomologisches Institut, Eberswalder Str. 90, 15374 Muencheberg, Germany Author Kiljunen, Niina Ecology and Genetics Research Unit, PO Box 3000, 90014 University of Oulu, Oulu, Finland Author Taeger, Andreas Senckenberg Deutsches Entomologisches Institut, Eberswalder Str. 90, 15374 Muencheberg, Germany Author Viitasaari, Matti Alkutie 41 E, 00660 Helsinki, Finland Author Vikberg, Veli Liinalammintie 11 as. 6, 14200 Turenki, Finland Author Wutke, Saskia Department of Environmental and Biological Sciences, University of Eastern Finland, 80101 Joensuu, Finland Author Prous, Marko https://orcid.org/0000-0002-5329-7608 Senckenberg Deutsches Entomologisches Institut, Eberswalder Str. 90, 15374 Muencheberg, Germany & Ecology and Genetics Research Unit, PO Box 3000, 90014 University of Oulu, Oulu, Finland & Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014 Tartu, Estonia text Deutsche Entomologische Zeitschrift 2022 2022-07-26 69 2 151 218 http://dx.doi.org/10.3897/dez.69.84080 journal article http://dx.doi.org/10.3897/dez.69.84080 1860-1324-2-151 3B245B5371564A3F96672F2CD756779A B7D8CC48BD32502C819369D75ADA50C8 Abia nitens (Linnaeus, 1758) Tenthredo nitens Linnaeus, 1758: 556. ♂ [because the conspicuous dark dorsal patches on abdomen are mentioned]. Syntypes (assumed). Type locality: Europe. Lectotype designated by Malaise and Benson (1934) . LSUK. Images of the lectotype (LINN 2402) in dorsal and lateral view are available ( The Linnean Society of London 2022 ). Tenthredo sericea Linnaeus, 1767: 921. Sex not stated [but probably female, because dark dorsal patches on abdomen are not mentioned]. Syntypes (assumed). Type locality: Leipzig. syn. nov. Abia sericea : de Dalla Torre (1894) , Konow (1905b) , Enslin (1917) , Liston and Spaeth (2006) , Taeger et al. (2010) . Abia dorsalis Costa, 1859: 5-6. ♀. Holotype [not examined]. Type locality: Italy, Cape Miseno near Naples. syn. nov. Notes. Abia nitens was successively mentioned as occurring in Sweden by Fallen (1807) , Dahlbom (1836) , and Thomson (1871) , who all placed Tenthredo sericea as its synonym. Thomson's description of leg color indicates that he had before him specimens of the species called by Taeger (1998) A. sericea , or perhaps A. candens [not distinguished from the former in Thomson's time]. Influenced by the continued, widespread use of the name Abia nitens in Scandinavian literature, Taeger et al. (2006) and ArtDatabanken (2015) included Sweden within the range of A. brevicornis [as A. nitens auct.]. In fact, no Swedish specimens of A. brevicornis have been located in the MZLU or NHRS collections, and there are no published records from other Fennoscandian countries. Abia brevicornis is restricted to extremely dry, summer-warm sites, where its larval hosts occur ( Scabiosa spp.) ( Liston and Spaeth 2006 ). Probably it has a strongly continental distribution: its most north-westerly known localities in Europe are in Central Germany, whereas it is not definitely known in France ( Noblecourt 2020 ), and a single old record from Spain needs confirmation. Although a presence of A. brevicornis in southern Sweden cannot be ruled out, we consider it likely that all references to A. nitens auct. in Sweden relate to either A. nitens [= Abia sericea ] or A. candens .