Biodiversity Data Journal 9: e64267 CO) doi: 10.3897/BDJ.9.e64267 open access Taxonomic Paper Checklist of the Ichneumonidae of Germany (Insecta, Hymenoptera) Matthias Riedelt, Andrei E. Humala§, Martin Schwarz!, Heinz Schnee!, Stefan Schmidt* + c/o SNSB-Zoologische Staatssammlung Munchen, Bad Fallingbostel, Germany § Forest Research Institute KRC RAS, Petrozavodsk, Russia | Biologiezentrum Linz, Linz, Austria 4 c/o SNSB-Zoologische Staatssammlung Munchen, Markkleeberg, Germany # SNSB-Zoologische Staatssammlung Munchen, Munchen, Germany Corresponding author: Stefan Schmidt (schmidt.s@snsb.de) Academic editor: Ralph Peters Received: 10 Feb 2021 | Accepted: 31 Mar 2021 | Published: 26 May 2021 Citation: Riedel M, Humala AE, Schwarz M, Schnee H, Schmidt S (2021) Checklist of the Ichneumonidae of Germany (Insecta, Hymenoptera). Biodiversity Data Journal 9: e64267. https://doi.org/10.3897/BDJ.9.e64267 Abstract Background A revised checklist of the Ichneumonidae of Germany is provided. The list represents an updated version of an earlier checklist published in 2001. The present list includes several records of species that are new for the German fauna and species that were discovered since the last checklist was published. The present checklist was compiled as part of the DNA barcoding projects at the Zoologische Staatssammlung Munchen. New information The checklist includes 3,644 species of Ichneumonidae from Germany, with 48 species recorded for the first time. Compared to the checklist published 20 years ago, the number of ichneumonid species recorded from Germany has increased by 312 species. © Riedel M et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 2 Riedel M et al Keywords Ichneumonoidea, distribution, parasitoids, checklist, new records Introduction The Ichneumonidae is the largest family of insects in Germany, with over 3,600 species already recorded for the country and an estimated number of 4,000 species in total (Horstmann 2002a). The family Ichneumonidae and its sister family Braconidae, with about 1,500 German species (Belokobylskij et al. 2003), account for about half of the German species of the insect order Hymenoptera (Volkl and Blick 2004). The first comprehensive and validated checklist of ichneumonid species that were recorded from Germany was provided by Horstmann (2001a). When compiling the checklist, he included only species that were either described as new after 1945 or, if the species was described before 1945 or if it was mentioned at least once in the entomological literature after WWII. Horstmann (2001a) excluded species that were mentioned only once in the literature prior to 1945, i.e. in the original citation, because, according to him, virtually all of those species represent synonyms. If the species were cited after 1945, he included it only if it was accompanied by a taxonomic treatment. Following this rationale, it was possible for him to compile a checklist that comprises only reliable records while reducing the risk of including species with doubtful status. The list was compiled as part of DNA barcoding projects at the Zoologische Staatssammlung Munchen (ZSM) that aims at assembling DNA barcode libraries for Germany (German Barcode of Life Project, www.bolgermany.de) and Bavaria (Barcoding Fauna Bavarica). A new checklist was deemed necessary because of the relatively large number of species that were added since the last checklist was published 20 years ago by Klaus Horstmann (2001a) and because of several nomenclatorial changes (e.g. synonymy) and recent modifications to the classification within the family (Broad and Shaw 2005, Bennett et al. 2019, Klopfstein et al. 2019, Santos 2017). Most records of species new to Germany, a few of which are depicted in Fig. 1, resulted from extensive collecting efforts as part of past and ongoing projects on DNA barcoding (Hausmann et al. 2020, Moriniére et al. 2016). Materials and methods The present checklist is an updated version of the checklist of German Ichneumonidae provided by Horstmann (2001a). Most additions to the new checklist are based on records that were published since the previous checklist (Horstmann 2001a). Identifications of species that are recorded as new for the German fauna were identified by specialists as part of the ongoing DNA barcoding efforts at the ZSM. Representatives of newly-recorded species are deposited in the ZSM or in the author's private collections. Checklist of the Ichneumonidae of Germany (Insecta, Hymenoptera) 3 ry Figure 1. Ichneumonidae recorded as new for Germany. Specimen IDs refer to the voucher code in the Barcode of Life Database. a: Thrybius brevispina (Thms.) (Cryptinae, specimen ID: BC ZSM HYM 09699) ERS b: Mesochorus marginatus Thms. (Mesochorinae, specimen ID: BC ZSM HYM 19719) ERS] c: Hypsicera ecarinata Tolk. (Metopiinae, specimen ID: BC-ZSM-HYM-24112-G10) ERR d: Aniseres subarcticus Humala (Orthocentrinae, specimen ID: BC-ZSM-HYM-27568-H10) ERR e: Batakomacrus subarcticus Humala (Orthocentrinae, specimen ID: BC-ZSM-HYM-27505-F03) ER] f: Megastylus similis Dasch (Orthocentrinae, specimen ID: BC-ZSM-HYM-22280-A05) ERR The classification follows Bennett et al. (2019), with 42 recognised subfamilies and includes recent changes to the subfamily-level classification, in particular, the division of the Cryptinae sensu lato into the three subfamilies Ateleutinae, Cryptinae and 4 Riedel M et al Phygadeuontinae (Santos 2017) and recognition of the subfamily Neorhacodinae (Bennett et al. 2019). Furthermore, following Klopfstein et al. (2019), the Theroniini is recognised as a tribe of the subfamily Pimplinae, Pseudorhyssa is listed under Pimplinae and Hemiphanes under Cryptinae. Data resources The present checklist comprises 3,644 species of Ichneumonidae for Germany (Suppl. material 1), including 379 species that were added from the published literature since the checklist by Klaus Horstmann (Horstmann 2001a) and 48 species that are here reported from Germany for the first time (Table 1). Several recent studies, examining phylogenetic relationships amongst subfamilies within the Ichneumonidae, led to changes to the internal Classification of the family (e.g. Santos 2017, Bennett et al. 2019, Broad et al. 2018, Klopfstein et al. 2019). Table 2 includes (1) species hereby added to the German fauna, (2) newly-recorded species and (3) species listed under a different name (e.g. synonyms) or species with a different systematic position in Horstmann (2001a). Table 1. Number of species of German Ichneumonidae by subfamily in Horstmann (2001a) and in the present checklist, with number of species added from published records and species recorded for the first time from Germany. Number of Cryptinae species in brackets show the number of species in Horstmann (2001a), i.e. Cryptinae sensu lato. The number of species in the present list is lower than in the old checklist plus additions and new records if species were deleted or disappeared into synonymy. lin Horstmann (2001a) under Cryptinae, 2in Horstmann (2001a) in Paxylommatinae, now placed in Hybrizontinae, *in Horstmann (2001a) placed in Cryptinae and including Helcostizus restaurator, that is now placed in Cryptinae, #Phrudinae now placed in Tersilochinae. Subfamily Horstmann (2001a) Present checklist Additions New records Acaenitinae 15 14 Adelognathinae 16 23 6 1 Agriotypinae 1 1 Anomaloninae 57 62 6 1 Ateleutinae i 1 Banchinae 178 184 tS) Brachycyrtinae 1 1 Campopleginae 454 498 55 2 Collyriinae 1 2 2 Cremastinae 25 26 1 Subfamily Cryptinae Ctenopelmatinae Cylloceriinae Diacritinae Diplazontinae Eucerotinae Hybrizontinae Ichneumoninae Lycorininae Mesochorinae Metopiinae Microleptinae Neorhacodinae Ophioninae Orthocentrinae Orthopelmatinae Oxytorinae Phygadeuontinae Pimplinae Phrudinae Poemeniinae Rhyssinae Stilbopinae Tersilochinae Tryphoninae Xoridinae Total Checklist of the Ichneumonidae of Germany (Insecta, Hymenoptera) Horstmann (2001a) 215 163 136 3332 Present checklist 230 151 3644 Additions New records 17 7 54 4 4 2 9 4 58 6 26 2 5 4 9 6 11 10 4 65 5 14 2 4 10 18 2 4 379 48 6 Riedel M et al Table 2. Species with different status or name compared to the previous checklist by Horstmann (2001a). Status codes: (A) published record, (N) new record for Germany, (H) present in Horstmann (2001a), but name or systematic placement different. Species Status Remarks Adelognathinae Adelognathus acantholydae A Riedel (2018a) Kasparyan, 1986 Adelognathus cubiceps Roman, A Kasparyan and Kopelke (2009) 1925 Adelognathus difformis Holmgren, A Heitland and Pschorn-Walcher (2005) 1857 Adelognathus facialis Thomson, A Riedel (2007) 1883 Adelognathus marginellus Holmgren, N New record (A. Humala det.) 1857 Adelognathus obscurus Kasparyan, A Riedel (2018a) 1986 Adelognathus tetratinctorius A Riedel (2007) (Thunberg, 1824) Anomaloninae Agrypon brachycerum Hellén, 1950