Dtsch. Entomol. Z. 67 (2) 2020, 127-139 | DOI 10.3897/dez.67.54002 > PENSUFT. Gp MuseuM TOR BERLIN Recent additions to the list of German sawflies (Hymenoptera, Symphyta) Andrew Liston!, Marko Prous 1 Senckenberg Deutsches Entomologisches Institut, Eberswalder Str. 90, 15374 Miincheberg, Germany 2 Department of Zoology, Institute of Ecology and Earth Sciences, University of Tartu, Vanemuise 46, 51014 Tartu, Estonia http://zoobank.org/51027EA 1-44B4-458A-B169-7EE21A364B0F Corresponding author: Andrew Liston (aliston@senckenberg.de) Academic editor: Dominique Zimmermann # Received 7 May 2020 Accepted 16 June 2020 Published 21 July 2020 Abstract Two tenthredinid sawfly species are newly recorded in Germany: Pristiphora krausi (Lacourt, 2006) and P. melagonia sp. nov. The latter is also recorded from Greece and Spain. These species belong to the Pristiphora depressa group, as confirmed by genetic data. Additional data are presented for seven other tenthredinid species which have only rarely been recorded in Germany and for which previously-published data are incomplete. Identification keys to the West Palaearctic species of Eurhadinoceraea and the Pristiphora depressa group are included. Other species of Symphyta, first recorded in Germany since the publication of the most recent checklist, are listed in a table, with references to literature which describes identification characters. Key Words Tenthredinidae, taxonomy, distribution, keys, new species, Dolerus, Empria, Endelomyia, Eurhadinoceraea, Pristiphora Introduction During the early stages of revision of the Red List of Ger- man sawflies, we realised the need to place on permanent record the still partly unpublished specimen data for some species first found or identified in Germany in recent years. Only one of the species mentioned below is includ- ed in the “Fauna Germanica” checklist of sawflies (Blank et al. 2001) and only a few of them in the most recent national list by Liston et al. (2012). Nevertheless, except for Pristiphora krausi and P. melagonia sp. nov., all these species have already been stated to occur in Germany in published works. Such data, for example in Schmidt et al. (2017), has sometimes been relegated to the “supple- mentary material”, where it may easily be overlooked. Furthermore, the hitherto published data for German specimens of the species mentioned below are, in various respects, incomplete. As all have, so far, only rarely been found in Germany and accordingly might be considered to be in some way endangered, short notes are given on their wider range and what is known of their biology. Identification characters of some species are described and illustrated. To complete the picture, other species first recorded in Germany since around 2012, but which have a better documented occurrence here, are listed in Table 1. This table also cites the source of the original record and sometimes additional works which contain descriptions of useful identification characters. In the list by Liston et al. (2012), Athalia longifoliae Kontuniemi, 1951 was in- advertently omitted, although it was, at that time, already reliably recorded from Germany (Mol 2009). It seems likely that taxonomic research still in prog- ress will make further name changes necessary before the next list of all German species is published. For this reason, we do not list here the very many nomenclatural and taxonomic changes which have been made since pub- lication of the most recent German checklist (Liston et al. 2012). Most of these changes result from the treatment of several genus names as synonyms of Euura, as proposed by Prous et al. (2014). We recommend the online presen- tation “ECatSym” (Taeger et al. 2018) for checking on currently valid names and synonyms. Copyright Andrew Liston, Marko Prous. 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. 128 Material and methods Several of the species mentioned below were first found to be present in Germany after the re-examination of specimens whose barcode sequences diverged from those of specimens submitted under the same species name. See Schmidt et al. (2017) for further background and de- tails of sequencing methodology. Registration numbers are given for most specimens. Names of institutional collections in which the specimens are deposited are abbreviated as: DEI —Senckenberg Deutsches Entomologisches Insti- tut, Miincheberg, Germany; ZSM _— SNSB, Zoologische Staatssammlung Minchen, Germany. The decimal degree latitude and longitude coordi- nates are generally given to a precision of three deci- mal places, but for trapped specimens up to five deci- mal places are given if these are recorded on the labels of specimens. As described in Prous et al. (2019), we sequenced three gene fragments (1078-1087 bp of CO1, 1654 bp of Nak and 2480-2696 bp of POL2) for selected Pris- tiphora depressa group specimens to complement pre- viously-available data from this group. The three gene fragments were newly sequenced for one specimen each of P. depressa, P. cretica, P. krausi and P. melagonia sp. nov. In addition, for one specimen of P. tetrica, POL2 was newly sequenced to complement previously-obtained CO1 and Nak data (GenBank accessions KY698202 and KY698122). The new sequences obtained here have been submitted to NCBI GenBank (accession numbers MT385398—MT385410). Andrew Liston & Marko Prous: New German sawfly species Results Dolerus yukonensis Norton, 1872 Germany, Bavaria: 12 (BC ZSM HYM 04528), Rappenal- pental, 1431 m alt., +47.283 +10.200, 17.06.2004, leg. C. Schmid-Egger, det. S. M. Blank (ZSM). The single currently-known German specimen, above, has already been mentioned by Schmidt et al. (2017). In Europe, this circumpolar species has long been known to occur in the Alps, as well as in Scotland and Fennoscandia (Benson 1961). Its presence in the Carpathians and the Giant Mountains (Czech Republic, Bohemian Massif) was detected more recently (Zombo- ri and Ermolenko 1999; Bene’ 2013). As for all Dol- erus yukonensis specimens examined from Switzerland and Scotland, the abdomen of the Bavarian specimen is completely black. Fennoscandian D. yukonensis have a well-developed red girdle on the abdomen. Morpholog- ically, D. yukonensis is very similar to D. cothurnatus. According to Dr Mikk Heidemaa, occasional specimens of D. cothurnatus lack the red girdle which 1s typical of this species. However, we have not, so far, seen any such specimens. Apart from the body colour of central Euro- pean specimens, characters which distinguish D. yukon- ensis from D. cothurnatus are: abdominal terga 2 and 3 with fine, transverse sculpture contrasting with largely unsculptured tergum 1, Fig. 1 (in cothurnatus terga 1-3 equally unsculptured and shiny, Fig. 2); hyaline wing membranes (in cothurnatus smoky) and less strong- ly diverging apical setae of sawsheath in dorsal view, Fig. 3 (cothurnatus, Fig. 4). Benson (1961) wrote that D. yukonensis 1s scarce in Central Europe: he knew of only three records from Switzerland. Kofler and Schedl (2012) indicated that D. yukonensis is also rarely re- Table 1. Published records of other Symphyta species recently detected in Germany. The abbreviations used for the federal states are: B-BR Berlin and Brandenburg; BW Baden-Wuerttemberg; BY Bavaria; HE Hesse; MV Mecklenburg-West Pomerania; NS Lower Saxony; NW North Rhine-Westphalia; SA Saxony; SH Schleswig-Holstein; ST Saxony-Anhalt; TH Thuringia. Taxon Name as published Aproceros leucopoda Takeuchi, 1939 Aproceros leucopoda Takeuchi, 1939 Arge annulata Konow, 1891 Athalia paradoxa Konow, 1886 Birka alpina Lacourt, 1990 Calameuta punctata (Klug, 1803) Arge annulata Konow, 1891 Athalia paradoxa Konow, 1886 Birka alpina Lacourt, 1990 Calameuta punctata (Klug, 1803) Dineura parcivalvis (Konow, 1901) Empria aridicola Macek & Prous, 2019 Empria minuta Lindqvist, 1968 Dineura parcivalvis (Konow, 1901) Empria aridicola Macek & Prous, 2019 Empria minuta Lindqvist, 1968 Phyllocolpa anglica (Cameron, 1877) Nematus jugicola C. G. Thomson, 1871 Euura plicadaphnoides Kopelke, 2007 Euura anglica (Cameron, 1877) Euura jugicola (Thomson, 1871) Euura plicadaphnoides (Kopelke, 2007) Nescianeura noblecourti Lacourt, 2006 Nescianeura noblecourti Lacourt, 2006 Phylloecus faunus Newman, 1838 Hartigia helleri (Taschenberg, 1871) Pristiphora dedeara Liston & Prous, 2017 — Pristiphora dedeara Liston & Prous, 2017 Sirex torvus M. Harris, 1779 Specimens identified as S. cvaneus from Europe belong mostly to S. torvus Tenthredo semicolon Mol, 2013 Xeris pallicoxae Goulet, 2015 Xyela menelaus Benson, 1960 Tenthredo semicolon Mol, 2013 Xeris pallicoxae Goulet, 2015 Xvela menelaus Benson, 1960 dez.pensoft.net German Federal States _‘ First publication of German Identification characters records: described by: B-BR, BY, MV, SA, ST Kraus et al. (2012); Blank et Blank et al. (2010) al. (2014) B-BR, ST Liston et al. (2018) Liston et al. (2018) BW Jansen (2017) Benson (1962) BW Jansen (2017) Lacourt (1990) B-BR, SA Liston (2015), Jansen (2019) Zombori (1978) B-BR Liston (2015) Liston et al. (2019b) B-BR, BY, TH Liston et al. (2019a) Liston et al. (2019a) HE Léhr (2019) Prous (2012) BW, HE, MV, NW, SH Kopelke (2011) Vikberg (2010) BW Jansen (2017) Benson (1958) B-BR Liston (2015) Liston et al. (2017) BW Jansen (2017) Prous et al. (2019) BW Jansen (2017) Jansen (1998) B-BR Prous et al. (2017) Prous et al. (2017) [records under the name Sirex cyaneus Fabricius, 1781] Schiff et al. (2012) Schiff et al. (2012) B-BR Liston (2015) Liston (2016) NS, SA, ST, TH Goulet et al. (2015) Goulet et al. (2015) BW Jansen et al. (2018) Blank et al. (2013) Dtsch. Entomol. Z. 67 (2) 2020, 127-139 Figures 1—4. Dolerus. 1. yukonensis DEI-GISHym12682 male, basal abdominal terga; 2. cothurnatus DEI-GISHym12681 male, basal abdominal terga; 3. yukonensis DEI-GISHym12679 female, valvulae 3; 4. cothurnatus DEI-GISHym12680 female, valvulae 3. corded in Austria. However, in the collection of the late Bruno Peter are approximately one hundred specimens of this species collected from localities in many areas of Switzerland, at altitudes of 800-2065 m above sea level. The host plant is almost certainly one or more spe- cies of Equisetum, based on observations of adults and because the known hosts of related Dolerus species are Equisetum. However, neither details of its biology nor a description of the larva appears to have been published. Empria granatensis Lacourt, 1988 Germany, Bavaria: 12 (BC ZSM HYM 04619), Giinth- ersbuhl, 401 m alt., +49.534 +11.222, 06.06.1991, leg. M. Kraus, det. M. Prous (ZSM). The German specimen, above, has already been men- tioned by Schmidt et al. (2017). Empria granatensis is only known from a very few specimens collected in Eu- rope. Other previously-published records comprise the two type specimens from Grenada, Spain and two males from Ardeche, France (Lacourt 1993). We have examined the following additional specimens: Portugal, Viana do Castelo: 19 (DEI-GISHym15217), Paredes de Coura 4 km N, 480 m alt., +41.937 -8.533, 11.05.2012, leg. Blank, Jacobs, Liston and Taeger, det. M. Prous (DEI). Spain, Aragon: 1¢ (DEI-GISHym80007), E of Parque Natural Puebla de San Miguel, 1540 m alt., +40.087 -1.069, 05.05.2014, leg. Liston, Prous and Taeger, det. M. Prous (DEI). Morphological identification of this species is possible using the characters described by Prous (2012). The lar- val host plant is unknown. Lacourt (1993) speculated that it could be Alchemilla vulgaris L., but gave no explana- tion for his comment. Endelomyia filipendulae Lacourt, 1998 Germany, Bavaria: 12 (DEI-GISHym21008), Sammern bei Moos, Brennen, +48.772 +12.959, 22.04.2007, leg. et det. A. Liston (DEI). In Germany, previously only recorded from the Rosenau Nature Reserve, which, like Sammern, supports a Meso- brometum community, growing on calcareous shingle of dez.pensoft.net 130 the River Isar. Liston et al. (2019a) commented adversely on the suitability of the ovipositor characters described by Lacourt (1998) for separating Endelomyia filipendulae from the only other known European species in the genus, E. aethiops (Gmelin, 1790). Subsequent examination of a larger number of specimens suggests that the appearance of the sawsheath (i.e. valvulae 3) in dorsal view will, in fact, separate them. In E. filipendulae, the longest setae are nearly as long as the breadth of the sheath (Fig. 5), whereas in E. aethiops, they are much shorter (Fig. 6). Eurhadinoceraea amauros (Zombori, 1977) Germany, Bavaria: Lkr Dingolfing-Landau, NSG Rosenau, +48.662 +12.579; 29° (including DEI-GISHym11581), 26.05.2002, DEI; 12 (DEI-GISHym4841), 13.05.2004, DEI: 12 (BC ZSM HYM 06555), 25.05.2007, ZSM. All leg. A. Liston, det. A. Liston. Collected on or near the host plant, Clematis recta. Rearing record. Switzerland, Ticino: Crocifisso near Meride, +45.905 +8.935, 19 reared from larva collected 19.06.2002, emerged 02.08.2002, leg. A. Barker, det. S. M. Blank (coll. S. M. Blank, Miincheberg); the only adult reared from a batch of about 40 larvae collected on Clem- atis recta (A. Barker, pers. comm.). Male specimen ex- amined. Switzerland, Ticino: 1¢' (DEI-GISHym12684), Maroggia, +45.92 +8.98, 08.05.1893, leg. G. C. Kriger, det. A. Liston (DEI, ex Coll. B. Peter). Eurhadinoceraea amauros is currently only known in Germany from the Rosenau Nature Reserve, where it oc- curs together with E. ventralis. There, larval development of both species is only on Clematis recta. At present, EF. amauros is known from a rather small number of speci- mens collected at a few localities in central and southern Europe (Germany, Switzerland, Slovakia and Italy south into the Abruzzi). Males of E. amauros have been recorded at some southern and eastern European localities, whereas most populations of E. ventralis are entirely parthenoge- netic, according to Miller et al. (2004), although Lonnve (2009) recorded males in Norway. Eurhadinoceraea am- auros seems only to inhabit semi-natural, steppe-like hab- itats. By contrast, E. ventralis has become a nuisance in gardens, also far outside its original range, damaging nu- merous cultivated species (Severin 1997; Lonnve 2009). Figures 5—6. Endelomyia females, valvulae 3. 5. filipendulae DEI-GISHym12688; 6. aethiops DEI-GISHym12687. dez.pensoft.net leg deaha Andrew Liston & Marko Prous: New German sawfly species Superficially, because of their similar size and large- ly black colouration, adult £. amauros (Fig. 7) resemble Phymatocera aterrima (Klug, 1816) and Rhadinoceraea species. They can be distinguished as follows: 1 Antennomere 3 about 0.6—0.7 as long as antennom- ere 4. Antennomere 4 about as long as height of eye. [Claw subbifid] .....000000000002. Phymatocera aterrima — Antennomeres 3 and 4 nearly equally long. Antenno- mere 4 only slightly longer than half height of eye....2 2 Forewing vein 2A + 3A (proximal part of anal cell) apically bifurcate or curved upwards towards vein 1A to form a more or less enclosed loop. Male tergum 8 unmodified. Claw usually [R. micans (Klug, 1816), R. bensoni BeneS, 1961] simple or with minute inner tooth, but variable in R. reitteri Konow, 1890........... eee ibe nel os oe mele Sa. Dy «os een ts Rhadinoceraea. — Forewing vein 2A + 3A (proximal part of anal cell) straight and apically undivided. Male tergum 8 with median excision to about a third of length of tergum (Fig. 14). Claw subbifid ....Eurhadinoceraea amauros The key to the five West Palaearctic (and Europe- an) Eurhadinoceraea Enslin, 1920 species by Zombori (1977; as Sterigmos Zombori, 1977) works adequately, but could have been simplified by making more use of colour characters, which are very constant in the Europe- an species. The following key is offered as an alternative. Only the European distribution of the species is giv- en. Eurhadinoceraea amauros is only known in Europe, whereas the other species were all mentioned in older literature as having been recorded in the East Palaearc- tic. However, the presence of EF. ventralis and E. ful- viventris in the East Palaearctic requires checking, be- cause several other similarly coloured species are now known there (Wei 1999). Zombori (1990) mentioned that he had captured large numbers of males and females of E. sanguinicollis at Kerecsend, but omitted any morphological description of the male, which was not previously known. We examined two males in the collection of the Hungarian Natural His- tory Museum, Budapest: Hungary, Heves: 14 (DEI-GISHym17319), Kerecsend, +47.80 +20.35, 30.04.1987, leg. Adam. See figures in Taeger et al. (2018). 14 (DEI-GISHym17318), Pays is ot Sk Pe caver: vB, PST one 5, sistas! as pee Dtsch. Entomol. Z. 67 (2) 2020, 127-139 Lok Figures 7-13. Eurhadinoceraea females. 7. amauros DEI-GISHym11581; 8. sanguinicollis DEI-GISHym17317; 9. athalioides DEI-GISHym 12685; 10. fulviventris DEI-GISHym11606; 11. ventralis DEI-GISHym12686; 12. fulviventris DEI-GISHym4840 valvulae 3; 13. ventralis DEI-GISHym19386 valvulae 3. Scale bars 2 mm. locality as previous, 25.04.1988, leg. L. Zombori. See fig- As the male of E. sanguinicollis, unlike the female, has ures in Taeger et al. (2018). an entirely black body, it could be mistaken for £. amauros. Key to the West Palaearctic Eurhadinoceraea species (adults) | = © o) zZ Body and legs completely black, except sometimes for small brown flecks On pronotuM (Fig. 7) .......cccsecceeeeeeeeeeeeeeeeeees be Aerated Ee Gee Poe ad Seb bie seat eee ce getaee FE. amauros (Zombori, 1977) [Host: Clematis recta. South-central Europe] = honaxtanc’sor abdomemextensivelwired-Oransex(Ple sical I. oer, 5 Perea Sve. ose ales ce. eee nce aie irene ets © are osleystec, S * Notes: We have not examined a male of E. fulviventris and only a single male of E. ventralis. The difference in the length of the antennae is according to Enslin (1920). The differences in punctation of the mesoscutellum are evident between females of these species and probably also apply to males. dez.pensoft.net bey NO | CO 14 Figure 14. Eurhadinoceraea amauros DEI-GISHym12684, male, Neodineura arquata (Klug, 1816) Andrew Liston & Marko Prous: New German sawfly species Abdomen entirely black or dark brown; whole thorax reddish, except for black mesosternum; legs mainly black with bases of tibiae and apices of femora obscurely paler (Fig. 8). Claws simple, without inner tooth ........ E. sanguinicollis (Mocsary, 1880) [Host: ? Clematis integrifolia (suggestion by Zombori 1990). In Europe, only known from a few localities in Hungary] Abdomen extensively yellow-orange; hind legs extensively yellow (Figs 9-11. Claws with at least a small inner tooth ... 4 Thorax extensively yellow, including upper part of mesepisternum (Fig. 9); abdominal terga 1 and 2 mostly infuscate; body length 5.5-6.5 mm. Male unknown in Europe E. athalioides (Jakovlev, 1891) [Host: Pulsatilla spp. (Lis- ton 2008). In Europe, only known from a single German locality (where now extinct) and a very few localities in France] Thorax nearly entirely black (Fig. 11), except at most for propleuron and small fleck on posterior pronotum or, if exten- sively yellow, then mesepisternum entirely black (Fig. 10); only abdominal tergum 1 largely black; wings deeply infus- (ose ©] 619 (Vag fot GR AR ces 10 | lege eee ces eee ERR ors cee on ee REE A Re cerry See RR StF cere ee Rs Pe oe ME ee 5 Mesonotum, pronotum and mesoscutellum red-orange (Fig. 10); upper head behind eyes entirely black. Sawsheath viewed corsally with apical setae almost straight and directed outwards (Fig. 12) Sapna eed aad E. fulviventris (Scopoli, 1763) [Host: ? Clematis species (several females collected on or near unidentified Clematis species; A. Liston, personal observations in Greece. South-east Europe north to Styria in Austria and Italy] Thorax entirely black (Fig. 11); upper head behind eyes marked with yellow-brown. Sawsheath viewed dorsally with apical setae. stronelycurved*and-directed'more- backwards, CFig.13)..ss.cc1228,..., se ecies eeeae evens Soyessstddiddioas E. ventralis (Panzer, 1799) [Host: originally within its native range only on Clematis recta, but in recent decades, also several cul- tivated Clematis species (Severin 1997). South-central and southern Europe and in gardens north into Fennoscandia] BOG Cniittiel Valo ak. <2 eh 3 ee ee 8 re Oe eS ot a Lee 7 ADCOMISINDARE Pale Ine cali Rien shelly eR Re uct Ie aiy he PEM ees asiuuise EM 2 be 8 Claws bifid. Tergum 8 medially excised to about one third of length of tergum (Fig. 14). Body length 7-8 mm....£. amauros Claws simple. Tergum 8 not medially excised. Body length 5.5-6.5 MM ............cccceceeeeeeeeceeeeeeeeeeeeeeeeeeees E. sanguinicollis Antenna hardly as long as abdomen. Mesoscutellum laterally and posteriorly with numerous deep punctures, separated from each other by about the diameter of a puncture E, fulviventris Antenna much longer than abdomen. Mesoscutellum with only a few shallow and widely-spaced punctures on extreme lefencg folate) am Felid-) eo) Malate (god Greer Beer Ne oe ee ee ee ON ee ee nei | ene ie Rann en pic mer nh eres ec ae eee ee E. ventralis been collected in Germany, but possibly really from Den- mark. Thus, the above record refers to the only extant specimen of definite German provenance. Pristiphora angulata Lindqvist, 1974 Germany, Brandenburg: 19, Eberswalde, Finow, ca. +52.84 +13.73, 06.05.1984, leg. A. Taeger, det. M. Prous (DEI). This is the second German specimen of this neozo- on: the German specimen previously recorded by Liston (2015) is also from Eberswalde. Pristiphora depressa (Hartig, 1840) distal abdominal terga. Germany, Bavaria: 12° (BC ZSM HYM 20220), Pollant- en, 388 m alt., +49.105 +11.442, 19.05.2013, leg. M. Kraus, det. S. Schmidt (ZSM). Germany, Thuringia: 2°, Jena, Mihltal, Lichtung, Germany, Bavaria: 12 (ZSM HYM 25122), Neumarkt, +49.116 +11.349, 555 m alt., 01.05.2014, leg. J. Hable, det. M. Kraus (ZSM). Klug (1816) gave “Deutschland” as the type locality in the original description, which was based only on a female holotype, now apparently lost. Prous et al. (2019) remarked on the unclear label data of the single known male specimen, previously sometimes considered to have dez.pensoft.net 25.05.1986, leg. J. Weipert, det. Liston (DEI). 19 (DEI- GISHym17704), Orlamtinde NE, Eichenberg, +50.794 +11.531, eclector, 09-12.05.1999, leg. F. Burger, det. Liston (DEI). Mentioned from Germany by Liston et al. (2013) with- out any further details and by Prous et al. (2017) based on the Thuringian specimens. Like Pristiphora krausi and P. melagonia sp. nov., below, this species belongs to the Dtsch. Entomol. Z. 67 (2) 2020, 127-139 depressa group, for which, so far, only Acer species have been identified as hosts of larvae. Pristiphora krausi (Lacourt, 2006) Germany, Saxony-Anhalt: 12 (DEI-GISHym83928), Stolberg, Grube Luise, Bachtal, 350 m alt, +51.556 +10.976, 28.05.2019, leg. 23 Symphyta Workshop, det. M. Prous (DEI). Germany, Thuringia: 19 (DEI-GISHym83947), Il- feld: Netzkater: Brandesbachtal, 350—400 m alt., +51.600 +10.810, 31.05.2019, leg. 23 Symphyta Workshop, det. M. Prous (DEI). The only previous published record of this species is of the female holotype, from Alsace, France. See Prous et al. (2017, 2019) for morphological characters and tax- onomic comments. Sequences of three genes from one specimen confirm that Pristiphora krausi belongs to the depressa species group. Mitochondrial CO1 sequence is closest (distance 6.0%) to a possibly undescribed species from Spain (specimen DEI-GISHym20783 in Prous et al. 2017). Nuclear DNA (combined Nak and POL2) differs from the closest species P. melagonia sp. nov. and P. tet- rica (no nuclear data available for DEI-GISHym20783) by 1.5—1.6%. The holotype has a fully-developed vein 2r- rs in one forewing, but neither of the German specimens shows any trace of this vein. Superficially, in size and co- lour pattern (Figs 15, 16), Pristiphora krausi resembles Euura papillosa (Retzius, 1783). Pristiphora melagonia sp. nov. http://zoobank.org17AF424A-3764-4277-B496-E0A 1 C9EC4FBE Figures 17—26 Material examined. Holotype female, pinned. Labels: “Greece: N Peloponnes: Achaia: Achaiko Chorio S 38.1371N, 22.0610E 1150 m alt. 25.1V.2017 leg. SDEI Hym-group GR06 [code for collection event, used for databasing]” [white, printed] “DEI-GISHym80284 (see ethanol coll.)” [white, printed: parts of two extracted legs gummed to label] “tissue sample 2017 genetic data Y[yes] [or] N[no]” [blue, printed: check mark at “yes” “HOLOTYPE & Pristiphora melagonia det. Liston & Prous, 2020” [red, printed]. Deposited in the DEI. Paratypes: Germany, Saxony-Anhalt: 192 (DEI- GISHym17900), Rammelburg, GS9 Ra [trap code], StraBe zum Strubenberg, Wipperufer vor Brticke/ Wald- hang, Béarlauchgebiet, Gelbschale [yellow pan], R: 4453597 H: 5718076 [+51.594 +11.331], 14—21.5.2001, leg. E. Stolle (DEI). Greece, N Peloponnes, Achaia: 12 (DEI-GISHym80270), Kertezi, +37.980 +21.990, 800-1100 m alt., 28.1V.2017, leg. SDEI Hym-group, GR18 (DEI). Spain, Aragon: 12 (DEI-GISHym20784), Camarena de la Sierra 2 km S, 1360m alt., 05.05.2014, +40.126 -1.044, leg. Liston Prous Taeger, E021 (DEI). 133 Type locality. Greece: northern Peloponnese, Achaia, south of Achaiko Chorio, +38.137 +22.061, 1150 m alt. Description [characters of holotype in brackets]. Fe- male. Body length 5.0-6.0 mm [5.7 mm]. Head most- ly black (Figs 21—23). Pale are: palpi; clypeus entire- ly (whitish), to medially more or less dark [holotype]; antennal flagellum ventrally; lower inner orbit partly (brownish) [holotype], to entirely black; outer orbit next to eye narrowly (brownish) (Fig. 23), to entirely black [holotype with small, obscurely paler areas]. Thorax mostly black (Figs 17—19). Pale (yellowish) are: prono- tum except for extreme ventral and posterior margins; tegula; small anterolateral flecks on median metascutal lobe, to completely black [holotype]; anterodorsal fleck on mesepisternum, to whole dorsal half [holotype]; metapleuron; mesepimeron [holotype], to completely dark. Legs pale (yellow) (Fig. 18). Dark are: metatarsus, at least on upper-side; apex of metatibia; extreme base of procoxa. Wing membranes hyaline. Venation dark brown; forewing pterostigma uniformly medium brown, to edged dark brown with paler centre; basal 0.25—0.33 of costa whitish. Abdomen yellow (Figs 19, 20). Black are: tergum | medially and basally; tergum 2 medially, to completely pale; tergum 3 medially, to completely pale; tergum 8 medio-apically, to completely pale; more or less valvula 3 apically [only tergum 1 of holotype medially black]. Head densely setose; vertex, postocellar area and pos- terior frontal field shiny between the setae; inner orbits and anterior postocellar area duller, with slight sculpture. Postocellar area about as long as diameter of lateral ocel- lus. Antenna: Fig. 24. Flagellomere 1 slightly curved in lateral view; 3.5—4.1 times as long as apical width [holo- type 4.1]. Tarsal claws subbifid: inner tooth slightly short- er than outer. Abdominal terga dull, with fine reticulate sculpture (Fig. 20). Valvulae 3 in dorsal view (Fig. 25): apically subtruncate; about twice as broad as basal width of cercus; setae directed strongly backwards; outermost setae about as long as width of valvulae 3; cercus pro- jecting clearly beyond valvula 3. Valvula 3 in lateral view apically rather acute. Lancet (Fig. 26): approximately 23 annulets; slightly upwardly curved distally; annular setae (“ctenidia”) present on sutures | to ca. 17 (counted from base); annular setae about 0.33x as long as width of an- nulus; cypsellae on basal annulets (ca. 1-8) about 0.33 as long as serrula. Male: unknown. Variability. The Spanish specimen is the palest and the German specimen the darkest, with the two very sim- ilarly coloured Greek specimens intermediate. Genetics. Mitochondrial COl has been sequenced from three specimens, two of which were published by Prous et al. (2017). Sequences of the specimens from Spain and Germany are identical, while the specimen from Greece (holotype) differs by 0.1-0.2%. Three nu- clear genes have been sequenced from two specimens, TPI from DEI-GISHym20784 (KY698317, see Prous et al. 2017) and NaK and POL2 from the holotype DEI- dez.pensoft.net 134 Andrew Liston & Marko Prous: New German sawfly species re Figures 15—20. Pristiphora females. 15-16. Pristiphora krausi DEI-GISHym83928; 17. melagonia sp. nov. DEI-GISHym17900; 18-19. melagonia holotype DEI-GISHym80284); 20. melagonia DEI-GISHym20784. Scale bars 2 mm. GISHym80284. Closest species are P. krausi, P. tetrica and the specimen DEI-GISHym20783 from Spain (pos- sibly an undescribed species, see Prous et al. 2017), with a minimum CO] distance of 6.7% (P. tetrica) and a mini- mum nuclear DNA distance of 1.5% (P. krausi). Host plant. The Spanish specimen was swept from Acer monspessulanum. As the known hosts of other spe- cies in the Pristiphora depressa group are all Acer species (Liston et al. 2015, Prous et al. 2017), it is likely that the larva of P. melagonia also feeds on Acer. Hosts other than A. monspessulanum must be used, because this maple dez.pensoft.net species does not occur in the region of Germany where one of the paratypes was collected. Etymology. Me/agonia, a Latinised noun in the nomi- native singular, is derived from parts of the Greek words melas (black) and gonia (angle, corner) and refers to the angled black marking on the pronotum. Diagnosis. In the key to north-western Palaearctic species of Pristiphora by Prous et al. (2017), P. mel- agonia runs to the couplet containing P. fetrica and P. depressa, but not clearly to either of these, because the supraclypeal area of P. melagonia can be partly pale or Dtsch. Entomol. Z. 67 (2) 2020, 127-139 135 Figures 21-27. Pristiphora females. 21. melagonia sp. nov. DEI-GISHym80270; 22-23. melagonia DEI-GISHym20784; 24-25. melagonia DEI-GISHym80270; 26. melagonia DEI-GISHym17900 lancet; 27. Pristiphora depressa DEI-GISHym17704 lancet. entirely black and the upper head may be marked with pale or entirely black. Externally, P. me/agonia is most similar to P. depressa. External differences between these and other described West Palaearctic species are summarised in a key, below. The lancets of P. melagonia (Fig. 26) and P. depressa (Fig. 27) exhibit several small differences [character state in P. depressa in brackets]: slightly upwardly curved distally [not upwardly curved dez.pensoft.net 136 distally]; annular setae (“ctenidia’”) absent on apical ca. six sutures [annular setae absent on ca. apical 2-3 su- tures]; setae on basal annular sutures about 0.33% as long Andrew Liston & Marko Prous: New German sawfly species as width of annulus [about 0.2x as long]; cypsellae on basal annulets (ca. 1-8) about 0.33x as long as serrula [about 0.12—0.15* as long]. Key to the West Palaearctic species of the Pristiphora depressa group (adults) 1 Reg fe [hota cere ee Ee Aer OA ee eR aoe BO Re A AS ee eR tO a CARR oe NR a ie Aas eRe ne eee 2 - Ae Sea PEP ERR eee te PT RERR SY Pn pts AU ERPERNR ET | hee arias PIESTE RENT Mt aaert att SPEROTET Roecrereraaa ese eeee TT Daneman TT eres CCE theater oat Terese, 8 2 Forewinecosta: andi stignmallargsely: browne: DIACK FIGs 3 on rc ccsten septa ctesysas sce tthataobbadeauayocescoutussen peace yeetees tesa, cba 3 - Forewthie costa -ancdhstigina-entirehepalecyellowistrChTesrliss LOS a) a! ssn, tne gerecb ap ypveteted pie eh ey Mestede ins ieee ep eee ROE E OD nh a aca RR cE eM a tec AS RCRA EE ate ts = ea tt are Nea P. krausi (Lacourt, 2006) [Central Europe: France, Germany] Se pata ach oroennur basally er lahehallwaslackas..trrrce 8 a.c cde \aieeses crectetisha ob Sutoeter ence eee tos rae Mieccd ee eee tet ah ad TEc cater eee eh ee 4 ~ AA TeMOEA CO MMDISTE WED SLE: hss skeet tle. ao uderes aR asec bout ated led see UNC ye Has os Rec eecnl neds same eee yl Pons s moemcel ER 5 Atleast anterior of labrum wale=elyoeus Usually paKtlyales nhs oee eek Ses Bone see eee dh, Spagna SEL ESMIS, Ms Poa cM BURL or see BINS a Re, P. cretica W. Schedl, 1981 [Southern Europe: Greece and Spain, Aragén; 1¢ (DEI-GISHym20788), Camarena de la Sierra 7 km SSW, 1470 m alt., +40.122 -1.050, 05.05.2014, leg. A. Liston, M. Prous and A. Taeger, DEI] - Labrum and clypeus entirely dark .....P. tetrica (Zaddach, 1883) [Central and southern Europe and North Africa (Morocco)] 5 Claw: Neanhyooiielinentoorn sSiienthyslOnger- Om SHO Cele tain CULE ys thts crete Gy PML een chest type tala hy Pas 6 ~ Inner tooth of claw at most half as long aS Outer...............cccesccececeeseesseeaseeeeees P. schedli Liston & Spath, 2008 [Cyprus] 6 Apex of valvulae 3 in dorsal view subtruncate. Inner orbit largely black; face below toruli at least with malar space partly BLA CKer as! ante Wigs Veter! ta oa ncts Fatlen BPUNTS cla) aM re Bion Sri! Roses Winor Leryn PPPire 0s) On Pst rdecd ha WME oe, CU a Sree ced Oe ye Peet rrr he ele Y 7 - Apex of valvulae 3 in dorsal view medially emarginate. Inner orbits continuously pale to top of eye; face below torull Pou CIR a4 OF= lc aed Renee ert wR Ae dA Peis Aor GR ceed he ae ne ee ed ae Oa On eS SO 2 ee Renken ei P. subbifida (Thomson, 1871) [Southern, central and northern Europe, north to southern Sweden; introduced to North America] 7 Posterior of pronotum ventrally black-lined. Black fleck on base of procoxa. Cerci entirely yel- |) eee ee, Pim es nen cree eeehe | A TaAn ria Pee P. melagonia [Southern and central Europe, north to middle Germany] Posterior of pronotum entirely yellow. Procoxa completely yellow. Cerci more or leSS TUSCOUS ............::ceeeeeeeeeeeeeeeeeeeeeees Serenade Rls ale sett eet P. depressa (Hartig, 1840) [Central and northern Europe, north to central Sweden; Sicily (Italy)] 8 Forewing costa and stigma largely brown to black........... Forewing costa and stigma entirely pale (yellowish)......... 9 Clypeus and labrum at least partly pale............... eee Clypeus and labrum entirely dark .............:.cceeeeeeeeeeeeeee ees 10 Dorsum of abdomen at least laterally extensively pale .... = Dorsum of abdomen entirely black.................ccccsseeeeeeeees Discussion The new data which we present are only for some species of Tenthredinidae (Tenthredinoidea). This is not because we deliberately selected this taxon from amongst the six superfamilies which comprise the German fauna of Sym- phyta, but merely reflects the authors’ focus of interest on the Tenthredinidae, which, in the Palaearctic, is by far the largest tenthredinoid family. It can be seen from Table 1, that additional German species of other superfamilies have also been recently detected. Several of the German records, which we mention, are currently the most northern of these species in Eu- rope, 1.e. Empria granatensis, Endelomyia filipendulae, Eurhadinoceraea amauros, Pristiphora krausi and Pris- tiphora melagonia. However, we consider it more likely that these were previously overlooked in Germany, rather than that they are present here as the result of a recent northwards range extension caused by climate change. It HP AES EPG es Aker 8 Os SAO, BCPA RG vied raleeh Fito AAs |e Res et 10 GO AT) SR en eT oo) OR Te P. cretica may be significant, that, with the exception of P. krausi, these are species which are difficult or impossible to iden- tify using published morphological characters. One won- ders how long it might have taken to recognise their true identities, had not unexpected barcoding results drawn attention to them. Five species of the Pristiphora depressa species group are now recorded in Germany. This is a remarkable in- crease, considering that only two of them were included in the checklist by Blank et al. (2001). On the other hand, many gaps exist in our knowledge of these species. Four of them are known only from specimens of a single sex and, because of previous taxonomic confusion, we also know little or nothing about their host plant ranges or biology. Although adults of most species are clearly as- sociated with Acer species, which are certainly the main (or only?) host plants, few larvae have yet been reared or identified by DNA sequencing. Most previous studies have tended to name only single Acer species as hosts of * Note that the female of P. ifranensis, and the males of P. subbifida, P. depressa, P. melagonia and P. krausi are unknown. dez.pensoft.net Dtsch. Entomol. Z. 67 (2) 2020, 127-139 Pristiphora depressa group species. This is at least partly caused by lack of data and probably gives a false impres- sion of a greater degree of monophagy in these species than really exists. For example, Liston and Spath (2008) indicated that only Acer campestre is a host of Pristiph- ora subbifida, whereas Stankevitiené and Sabiinaite (2016) identified four distantly-related Acer species as its hosts in Kaunas Botanical Garden, Lithuania. As the geographic range of P. tetrica and P. melagonia in Eu- rope is not congruent with that of any single European Acer species, we conclude that they must also use more than one species of Acer as hosts. Perhaps more import- ant than host specificity in understanding the diversity of the group, is the synchronisation of the sawfly species’ phenology with that of its host, as discussed for P. tetrica and P. cretica by Liston et al. (2015). At present, CO1 barcoding, using the standard barcode region of the an- imal kingdom (Hebert et al. 2003), clearly separates the known West Palaearctic species of the depressa group, so that it should be rather easy to gain improved data on their host plant ranges. Acknowledgements Francisco Javier Peris-Felipo (University of Valencia, Spain) organised rewarding and enjoyable opportuni- ties for fieldwork in Spain during the 18" International Workshop on Sawflies (IWS), which yielded valuable specimens used in this study. We are similarly grateful to our colleague Andreas Taeger (Mtncheberg, Germany) for setting up the 23" IWS in the Harz Region, Germa- ny, during which Pristiphora krausi was collected. An- drew Liston thanks Jochen Spath (Dingolfing, Germany) for arranging permission from the government of Lower Bavaria to study the sawfly fauna of the Nature Reserve “Rosenau”. For allowing us to examine specimens in their care and providing useful information, we are most grate- ful to the following individuals: Alison Barker (Hamp- shire, England), Sergei Belokobylskij (St. Petersburg, Russia), Stephan Blank (Muncheberg, Germany), Katrin Elgner, Holger Framke and Ute Kaczinski (Muncheberg, Germany), Mikk Heidemaa (Tartu, Estonia), Ewald Jan- sen (Leipzig, Germany), Eva Kleibusch and Katja Kramp (Miincheberg, Germany), Manfred Kraus (Nurnberg, Germany), Fabio Penati (Genova, Italy), the late Bru- no Peter, Hans Riefenstahl (Hamburg, Germany), Olga Schmidt and Stefan Schmidt (Munich, Germany), Hege Vardal (Stockholm, Sweden), Zoltan Vas (Budapest, Hungary) and Veli Vikberg (Turenki, Finland). Funding and support by the Swedish Taxonomy Initiative for re- search on the north-west European Nematinae enabled us to examine the taxonomy of the Pristiphora depressa group more closely than would otherwise have been pos- sible. 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