Evolutionary Systematics. 4 2020, 53–60 | DOI 10.3897/evolsyst.4.48407

An updated checklist of type material of dragonflies and damselflies (Odonata) housed in the Zoological Museum Hamburg (ZMH), Germany

Meik Henningsen1,2, Gabriele Peitzner1, Peter Peitzner1, Martin Husemann1

1 Centrum für Naturkunde (CeNak), Hamburg University, Martin-Luther-King-Platz 3, 20146, Hamburg, Germany 2 University of Cologne, Dept. of Biology, Inst. for Genetics, Zülpicher Str. 47a, 50674, Cologne, Germany http://zoobank.org/C930532E-614C-43FD-AC46-C360B0DD8D73

Corresponding author: Martin Husemann ([email protected])

Academic editor: Danilo Harms ♦ Received 12 November 2019 ♦ Accepted 26 March 2020 ♦ Published 20 May 2020

Abstract

We present an updated checklist of type specimens of dragonflies (Odonata: Anisoptera) and damselflies (Odonata: Zygoptera) housed in the collection of the Zoological Museum of Hamburg (ZMH), part of the Centrum für Naturkunde (CeNak), Hamburg, Germany. We list all types currently housed in the dry and wet collections of the museum and compare the current holdings to the previous catalogues provided by Weidner (1962, 1977). In total, the collection of the ZMH currently houses 84 type specimens belonging to 44 species (38 of which are still valid species); these include 17 holotypes, 7 syntypes, 4 lectotypes, 33 paratypes, and 23 paralectotypes. We here provide an updated list of Odonata types in the ZMH, which includes any changes in taxonomy, but also corrects mistakes of previous catalogues.

Key Words

Centrum für Naturkunde, CeNak, Anisoptera, Zygoptera

Introduction sembled by Johann Cesar VI Godeffroy, were bought and implemented in the the ZMH. However, large parts of Type collections represent the most valuable material in the collections, especially the dry material of the collec- museum collections as they are the ultimate reference for tion of holometabolous insects was destroyed during the species (Bradley et al. 2014; Schindel and Cook 2018). second World War (WW2) in 1943. Fortunately, most of However, the locations of many types remain unknown as the collection of hemimetabolous insects could be saved; museums often do not have the capacity to provide complete hence, this part of the Hamburg collection is specifically lists of their types, or even images of all specimens, despite old, valuable and rich in type specimens. enhanced efforts of digitization. Therefore, complete type Herbert Weidner was the curator of the entomological catalogs are a valuable resource for the community. collections in Hamburg after WW2 (between 1950 and The Centrum für Naturkunde (CeNak) was newly 1976) and rebuild much of the collections following their founded in 2014 and is the umbrella for the mineralog- partial destruction. He was also the first to provide com- ical, the geological-paleontological, and the zoological mented catalogues on the collections with a focus on the collections. The zoological collection, also known as the types housed in Hamburg; he published these catalogues Zoological Museum of Hamburg (ZMH), has a long tra- of the entomological and arachnological collections in a dition and was originally established in 1843. Important series of papers between 1962 until 1977 in the journal collections, such as the ones from the Museum Goddefroy Mitteilungen aus dem Hamburgischen Zoologischen Mu- (1861–1885), a private museum based on collections as- seum und Institut. Most of these contributions were pub-

Copyright Meik Henningsen 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. 54 Meik Henningsen et al.: Catalogue of Odonate types of the ZMH

Figure 1. Examples of labels from a) Emond de Selys; b) Friedrich M. Brauer; c) Friedrich Ris and Karl F. Buchholz; d) Erich Schmidt, e) Martius A. Lieftinck; and f) Otto le Roi. lished in German, restricting their accessibility for inter- species were considerd lost by Weidner (1962, 1977): Neu- national scientists. Since Weidner, no further catalogues rothemis nesaea Ris, 1911, Leptogomphus retroflexus Ris, were published on the collections until recently, when 1921, Anax chrysomelas Ris, 1911, Nesobasis longistyla catalogues on the solifigues (Harms and Dupere 2018), Selys, 1891 and N. nigrostigma Selys, 1891. Hence, the on the mayflies (Satori et al. 2016) and on the Caelifera types of 43 species and subspecies were present in 1977. and Ensifera have been published (Dey and Husemann Currently, the collection of the ZMH houses the types 2018a, b). In this paper we provide an updated check- of 44 species (38 of which are still valid). In total 84 type list of the types of dragonflies and damselflies currently specimens are present in the collection; these include 17 housed in the collection of the ZMH based on the original holotypes, 7 syntypes, 4 lectotypes, 33 paratypes and 23 catalogues of Odonata by Weider (1962, 1977). We fur- paralectotype (Table 1). Most of the species currently ther provide images of example labels of the most import- held in the collection were already documented in Weid- ant taxonomists having worked with the collection. ner’s catalogues. The types of Neurothemis nesaea Ris, 1911 and Leptogomphus retroflexus Ris, 1921 (now He- liogomphus retroflexus), which were listed as missing by Results and discussion Weidner (1962) were re-discovered. A specimen labelled as syntype of Trithemis dichroa (Karsch, 1893) is present In his first catalogue in 1962, Weidner listed the types of in the collection (ZMH65941), but was suggested to be 41 species of dragon- and damselflies; in his update from invalid by Weidner (1962). Based on the collection data, 1977 he reported the types of seven additional species, we agree with Weidner (1962), that this is not a syntype of raising the total number of species of which types should the species as the type location, as well as the collection be held in the collection to 48. The types of five of these 48 date of the original descriptions do not match. The type evolsyst.pensoft.net Evolutionary Systematics 4 2020, 53–60 55

Figure 2. Male holotype of Nubiolestes diotima; the original label states Eolestes camerunensis, but in the description the species is named Eolestes diotima. All label information match the original description.

Figure 3. Rediscovered paralectotype of Neurothemis nesaea assigned by Malte Seehausen in 2016.

evolsyst.pensoft.net 56 Meik Henningsen et al.: Catalogue of Odonate types of the ZMH

Figure 4. Female syntype of Macrothemis cynthia.

Figure 5. Rediscovered female paratype of Leptogomphus retroflexus which was considered lost by Weidner (1962).

evolsyst.pensoft.net Evolutionary Systematics 4 2020, 53–60 57 - Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1977 Weidner 1977 Weidner 1962 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1962 Wediner 1962 Wediner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1977 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner Weidner 1962* Weidner 1962* Weidner 1962* Weidner 1962* Weidner Previous catalogue Previous Viti Viti Viti Viti Viti Viti Viti Dolo River Benito Location Hollandia Hollandia Than Moi Than Moi Than Moi Than Moi Apurimac Nasimoya Sivia 520m Lebang Hara Rockhampton Rockhampton Espirito Santo Espirito Santo Espirito Santo Espirito Santo Espirito Santo Espirito Santo Espirito Santo Espirito Santo Baai, Cycloop Dauwdropkam Dauwdropkam Mountains, 1000m Sivia 520m, Shore of Swamp forest at Bika Hollandia, Humboldt- Ubangi-District, Duma Mumar-River, 200-300m Mumar-River, 200-300m Mumar-River, Samoa Tonkin Tonkin Tonkin Tonkin Borneo Borneo Fidschi Fidschi Fidschi Fidschi Fidschi Fidschi Fidschi Region Sansibar Sansibar Halmahera Halmahera South-Peru South-Peru Span. Guinea North New Guinea North New Guinea North New Guinea Peru Peru Brasil Brasil Brasil Brasil Brasil Brasil Brasil Brasil Vietnam Vietnam Vietnam Vietnam Surinam Surinam Tansania Tansania Country Australia Australia Indonesia Indonesia Indonesia Indonesia Indonesia Indonesia Indonesia Polynesia Rep. Fidschi Rep. Fidschi Rep. Fidschi Rep. Fidschi Rep. Fidschi Rep. Fidschi Rep. Fidschi Dem. Rep. Congo Dem. Rep. Congo Equatorial Guinea 1 1 Type Type Syntype Syntype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Holotype Lectotype Lectotype Holotype † Holotype † Paralectotype Paralectotype Paralectotype Paralectotype f f f f f f f f f f f f f f m m m m m m m m m m m m m m m m m m m m m m m m 2f Sex + Karsch, 1893 (Burmeister, 1839) (Burmeister, (McLachlan, 1896) Syn of. Heliaeschna fuliginosa Gynacantha sextans Ischnura heterostictum (Ris, 1913) infans ) inck, 1957 (Ris, 191a) (Ris, 1912) (Ris, 1912) (Ris, 1912) Ris, 1911 Ris, 1911 Belle, 1966 Belle, 1966 Selys, 1891 (Selys, 1891) (Selys, 1891) Belle, 1973 Belle, 1973 Belle, 1973 Belle, 1973 Belle, 1973 Selys, 1891 Le Roi, 1915 Lieft Lieftinck, 1957 Selys, 1891 (Brauer, 1869) (Brauer, Schmidt, 1942 (Brauer, 1869) (Brauer, Lieftinck, 1929 (Brauer 1869) Selys, 1891 Selys, 1891 Le Roi, 1915 (Le Roi, 1915) Lieftinck, 1933 Lieftinck, 1933 (Schmidt, 1942) Lieftinck, 1929 Gerstäcker 1891 Gerstäcker 1891 Brauer, 1869 Brauer, Lieftinck, 1937 Species Name Austroarchaeogomphus ( Agrion distigma Nesobasis erythrops Nesobasis erythrops Nesobasis longistyla Progomphus recurvatus Progomphus recurvatus Progomphus Nesobasis telegastrum Plattycantha acuta Nesobasis nigrostigma Nesobasis nigrostigma Progomphus adaptatus Progomphus adaptatus Progomphus adaptatus Progomphus adaptatus Progomphus adaptatus Progomphus Gynacantha schultzei Progomphus guyanensis Progomphus guyanensis Progomphus Gomphidia caesarea Heliaeschna lanceolata Heliogomphus retroflexus Pseudagrion cingillum Heliogomphus retroflexus Heliogomphus retroflexus Heliogomphus retroflexus Diplacina persephone Diplacina persephone Chlorocypha aphrodite Chlorocypha Agriocnemis gratiosa Agriocnemis gratiosa Phyllocycla titschacki Melanesobasis flavilabris Melanesobasis flavilabris Melanesobasis annulata Acanthagrion peruanum Ceriagrion aeruginosum Heliogomphus blandulus Palaiargia perimecosoma Palaiargia perimecosoma Palaiargia Archaeogomphus Family Aeshnidae Aeshnidae Aeshnidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Gomphidae Libellulidae Libellulidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Coenagrionidae Chlorocyphidae List of type specimens currently housed in the collection of the ZMH. Collection numbers, current valid name and senior synonymies, type status, as well as important collection infor of the ZMH. numbers, current valid name and senior synonymies, type status, as well important collection Collection List of type specimens currently housed in the collection ID ZMH65877 ZMH65834 ZMH65876 ZMH65841 ZMH65840 ZMH65829 ZMH65830 ZMH65832 ZMH65937 ZMH65837 ZMH65838 ZMH65833 ZMH65835 ZMH65836 ZMH65839 ZMH65827 ZMH65828 ZMH65831 ZMH65842 ZMH65853 ZMH65854 ZMH65942 ZMH65943 ZMH65944 ZMH65945 ZMH65843 ZMH65846 ZMH65847 ZMH65848 ZMH65849 ZMH65850 ZMH65844 ZMH65845 ZMH65851 ZMH65852 ZMH65887 ZMH65888 Table 1. Table † after dry. kept besides ZMH65834 are specimens all Paulson (2019); 1997b) and Schorr (1997a, is based on Bridges (1994), Steinmann assignment taxonomic Current given. are mation the type = is lost.

evolsyst.pensoft.net 58 Meik Henningsen et al.: Catalogue of Odonate types of the ZMH Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner Weidner 1962* Weidner Previous catalogue Previous Darja Darja Darja Darja Darja Darja Darja River River 0–75m Station Location Hollandia Espirito Santo Baai, Cycloop Baai, Cycloop Lompa-Battau Andes, 1250m Andes, 1250m Mbusini (Usegua) Vanua and Balavu Vanua and Balavu Vanua and Balavu Vanua Mountains, 1000m Mountains, 1000m Hinterland Jaunde- Misool Island (W.), Misool Island (W.), Mukonje-Farm, close Mukonje-Farm, close River Mucro (Mucra) Santa Inéz, east of the Santa Inéz, east of the Hollandia, Humboldt- Hollandia, Humboldt- to Mundame at Mungo to Mundame at Mungo Maralbaschi at Kaschgar Maralbaschi at Kaschgar Maralbaschi at Kaschgar Maralbaschi at Kaschgar Maralbaschi at Kaschgar Maralbaschi at Kaschgar Maralbaschi at Kaschgar Samoa Fidschi Fidschi Fidschi Region Sansibar Sansibar Upper Pará East-Afrika Queensland Queensland South Sulawesi North New Guinea North New Guinea North New Guinea Brasil China China China China China China China Ecuador Ecuador Surinam Tansania Tansania Tansania Country Australia Australia Indonesia Indonesia Indonesia Indonesia Indonesia Polynesia Cameroon Cameroon Cameroon Rep. Fidschi Rep. Fidschi Rep. Fidschi 2 3 Type Type Syntype Syntype Syntype Syntype Syntype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Paratype Holotype Holotype Holotype Lectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype f f f f f f f f f f f f f f, f, m m m m m m m m m m m m m m m m 3m Sex (L., 1758) (L. , 1758) (L. , 1758) (L. , 1758) (L. , 1758) (Calvert, 1907) (Sulzer, 1776) (Sulzer, 1776) (Sulzer, 1776) (Sulzer, (Brauer, 1867) (Brauer, (Gerstäcker 1891) (Gerstäcker 1891) (Gerstäcker 1891) (Gerstäcker 1891) (Gerstäcker 1891) Syn of. Rhyothemis regia Rhyothemis phyllis Rhyothemis phyllis Rhyothemis phyllis Orthetrum cancellatum Orthetrum cancellatum Orthetrum cancellatum Orthetrum cancellatum Orthetrum cancellatum Rhodopygia hollandi Trithemis arteriosa Trithemis arteriosa Trithemis arteriosa Trithemis arteriosa Trithemis arteriosa Trithemis (Brauer, 1867) (Brauer, (Ris, 1909) Karsch, 1890 Brauer 1867 Brauer 1867 Brauer 1867 Ris, 1897 Ris, 1897 Ris, 1897 Ris, 1897 Ris, 1897 Ris, 1913 Lieftinck, 1934 Lieftinck, 1933 Ris, 1911 Ris, 1909 Ris, 1909 (Ris, 1911) (Ris, 1897) (Ris, 1897) (Ris, 1909) (Brauer, 1868) (Brauer, 1868) (Brauer, Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, Lieftnick, 1935 Lieftinck, 1953 Species Name Erythrodiplax ines Erythrodiplax ines Erythrodiplax Huonia thais Neodythemis afra Neurothemis nesaea Neurothemis Sympetrum tibialis Sympetrum tibialis Macrothemis cynthia Macrothemis Rhodopygia chloris Orthetrum kraepelini Orthetrum kraepelini Orthetrum kraepelini Orthetrum kraepelini Orthetrum kraepelini Huonia oreophila Nannodiplax rubra Nannodiplax rubra Libellula stuhlmanni Libellula stuhlmanni Libellula stuhlmanni Libellula stuhlmanni Libellula stuhlmanni Micromacromia zygoptera Micromacromia Rhyothemis phyllis dispar Rhyothemis phyllis dispar Rhyothemis phyllis dispar Nannophlebia amphicyllis Micromacromia camerunica Micromacromia Microtrigonia gomphoides Microtrigonia Rhyothemis regia chalcoptilon Rhyothemis regia Family Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae ID ZMH65889 ZMH65890 ZMH65894 ZMH65895 ZMH65932 ZMH65885 ZMH65884 ZMH65883 ZMH65939 ZMH65940 ZMH65882 ZMH65886 ZMH65891 ZMH65896 ZMH65897 ZMH65898 ZMH65899 ZMH65900 ZMH65938 ZMH65934 ZMH65935 ZMH65936 ZMH65933 ZMH65892 ZMH65893 ZMH65901 ZMH65902 ZMH65903 ZMH65904 ZMH65926

evolsyst.pensoft.net Evolutionary Systematics 4 2020, 53–60 59 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Wediner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner 1962 Weidner Previous catalogue Previous Viti Baai Location River Muera Baai, Cycloop Baai, Cycloop Baai, Cycloop Mbusini (Usegua) Mountains, 1000m Mountains, 1000m Mountains, 1000m Bakossi-Mountains, Hollandia, Humboldt- Hollandia, Humboldt- Hollandia, Humboldt- Hollandia, Humboldt- Fidschi Region Sansibar Sansibar Sansibar „Esosung“ East-Afrika North New Guinea North New Guinea North New Guinea North New Guinea Samoa Tansania Tansania Tansania Tansania Country Indonesia Indonesia Indonesia Indonesia Cameroon Rep. Fidschi 4 Type Type Paratype Holotype Syntype † Lectotype Holotype † Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype Paralectotype f f f f, f, m m m m m m m m M Sex Brauer, 1867 Brauer, Selys, 1891 (Gerstäcker 1891) (Gerstäcker 1891) (Gerstäcker 1891) (Gerstäcker 1891) Syn of. Trithemis kirbyi Trithemis Tramea transmarina Tramea Trithemis arteriosa Trithemis arteriosa Trithemis arteriosa Trithemis arteriosa Trithemis (Lieftinck, 1935) (Lieftinck, 1935) (Lieftinck, 1935) Brauer, 1867 Brauer, Brauer, 1866 Brauer, Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, 1891 Gerstäcker, (Schmidt, 1943) (Lieftinck, 1938) Gerstäcker, 1891 Gerstäcker, Species Name Tramea samoensis Tramea Libellula ardens Tramea transmarina Tramea Synthemis feronia Nubiolestes diotima Libellula stuhlmanni Libellula stuhlmanni Libellula stuhlmanni Libellula stuhlmanni Palaeosynthemis gracilenta Palaeosynthemis gracilenta Palaeosynthemis gracilenta Family Libelluidae Synlestidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Libellulidae Synthemistidae Synthemistidae Synthemistidae Synthemistidae ID Synonymy established in Dijkstra (2005) Lectotype assigned by M. A. Lieftinck (1959) Lectotype assigned by M. Paralectotype assigned by M. Seehausen (2016) Buchholz (1959) Lectotype assigned by K. F. Buchholz (1959) Lectotype assigned by K. F. ZMH65927 ZMH65928 ZMH65929 ZMH65930 ZMH65931 ZMH65826 ZMH65878 ZMH65879 ZMH65880 ZMH65881 + 1 2 3 4 *stated as missing

evolsyst.pensoft.net 60 Meik Henningsen et al.: Catalogue of Odonate types of the ZMH of Anax chrysomelas Ris, 1911 listed in Weidner (1962) long-term growth and care. BioScience 64: 1150–1158. https://doi. and Nesobasis longistyla Selys, 1891 and N. nigrostig- org/10.1093/biosci/biu166 ma Selys, 1891 in Weidner (1977) as missing could not Bridges CA (1994) Catalogue of family-group, genus-group and spe- be found; however, Bridges (1994) lists the types of the cies-group names of the Odonata of the world (third edition). Urba- Nesobasis species for the Institut Royal des Sciences na, Illinois. https://doi.org/10.5962/bhl.title.15291 Naturelles de Belgique (IRSN); hence, they may not be Buchholz KF (1959) Odonaten aus dem Ennedigebirge, nebst Be- lost but in a different location. Weidner (1962) listed the merkungen über einige äthiopische Arten. Bonner Zoologische Be- type of Anax chrysomelas Ris, 1911 as lost. However, this iträge 10: 75–98. species cannot be found in any other catalogue than that Dey LS, Husemann M (2018a) An annotated catalogue of the types of Weidner (1962) and hence its species status is doubt- of bush-crickets and crickets (Orthoptera, Ensifera) housed in the ful. Further, the types of Tramea samoensis Brauer, 1867, Zoological Museum Hamburg (ZMH). Evolutionary Systematics 2: and T. transmarina Brauer, 1867, which were reported 115–124. https://doi.org/10.3897/evolsyst.2.27030 by Weidner (1962) were not found and hence have to be Dey LS, Husemann M (2018b) An annotated catalogue of the types of considered lost. short-horned grasshoppers (Orthoptera, Caelifera) housed in the The types held in the ZMH collection have specific Zoological Museum Hamburg (ZMH). Evolutionary Systematics 2: value, as many originate from tropical regions, which are 21–30. https://doi.org/10.3897/evolsyst.2.22127 difficult to access or where habitats of the species no lon- Dijkstra K-DB (2005) Taxonomy and identification of the continental ger exist. The majority of species the ZMH holds types African Gynacantha and Heliaeschna species (Odonata: Aeshnidae). of were described by Martius A. Lieftinck, Friedrich Ris, International Journal of Odonatology 8: 1–168. https://doi.org/10.10 Emond de Selys, and Friedrich M. Brauer, important tax- 80/13887890.2005.9748240 onomists of Odonata (see Fig. 1 for typical labels). Many Harms D, Dupérré N (2018) An annotated type catalogue of the camel of the species described by the above mentioned authors spiders (Arachnida: Solifugae) held in the Zoological Museum Ham- were based on material from the collections of the private burg. Zootaxa 4375: 1–58. https://doi.org/10.11646/zootaxa.4375.1.1 Museum Goddefroy. Karl F. Buchholz investigated addi- Satori M, Kubiak M, Rajaei H (2016) An updated list of type material tional material from this collection housed in the ZMH of Ephemeroptera Hyatt & Arms, 1890, deposited at the Zoologi- and re-discovered and re-described some type material cal Museum of Hamburg (ZMH). Zookeys 607: 49–68. https://doi. (Buchholz 1959). It remains possible that additional types org/10.3897/zookeys.607.9391 are housed in the collection, which are not labelled as Schindel DE, Cook JA (2018) The next generation of natural history such. Detailed digitization and the work of specialists in collections. PLoS Biology 16: e2006125. https://doi.org/10.1371/ the collection in the future will help to unlock its potential. journal.pbio.2006125 Schorr M, Paulson D (2019) World list of Odonata. Last revision 2. Oct. 2019 Acknowledgements Steinmann H (1997a) World catalogue of Odonata. Volume I Zygoptera. De Gruyter, Berlin, New York. https://doi. We are grateful to Thure Dalsgaard for images of the la- org/10.1515/9783110824438 bels and some specimens. We thank Kai Schütte and Mar- Steinmann H (1997b) World catalogue of Odonata. Volume tin Kubiak for comments on an initial draft. We are further II Anisoptera. De Gruyter, Berlin, New York. https://doi. grateful to Vincent Kalkman, Gleison Desidéro, Angelo org/10.1515/9783110824438 Pinto and Danilo Harms for valuable comments on a pre- Weidner H (1962) Die Entomologischen Sammlungen des Zoolo- vious version of the manuscript. gischen Instituts und Zoologischen Museums der Universität Ham- burg, Insecta I. Die Mitteilungen aus dem Hamburgischen Zoolo- gischen Museum und Institut 60: 81–109. References Weidner H (1977) Die Entomologischen Sammlungen des Zoologischen Instituts und Zoologischen Museums der Universität Hamburg, XIV. Bradley RD, Bradley LC, Garner HJ, Baker RJ (2014) Assessing the (letzter Teil), Insecta XI. Die Mitteilungen aus dem Hamburgischen value of natural history collections and addressing issues regarding Zoologischen Museum und Institut 74: 77–138.

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