Herbert Zettel

• curator at Naturhistorisches Museum Wien

Aradus mirus Bergroth, 1894 is trophically bound to native Central European species of pines, Pinus sylvestris and P. nigra, developing on dry(ing) broken-off branches lying on the ground. It inhabits various localities in warm or medium warm regions in relict pine forests as well as pine plantations in areas where relict pine stands once existed....

Specimens of Aulacidae are rarely collected. We report on the first record of Pristaulacus galitae (GriboDo, 1879) in Vienna. A large series of this species-previously recorded from Austria only once-was reared from larvae of the longhorn beetle Leioderes kollari reDtenbacher, 1849 (Cerambycidae). In addition, we present a new record of Pristaulacu...

The wild bee community of a sand steppe habitat in Eastern Austria was surveyed in the years 2018 and 2019, complemented with historical data from over 100 years, and analyzed in relation to land use change. The mapping of land use categories was based on historical aerial photographs and orthophotos. Changes in bee community composition were analy...

Species of the Asian genus Eotrechus Kirkaldy, 1902 (Hemiptera, Heteroptera, Gerromorpha, Gerridae, Eotrechinae) are atypical water striders because they live on the near-vertical rock surfaces of waterfalls. The taxonomy of the genus is revised and six new species are described: E. steineri sp. nov. , E. kerberos sp. nov. , E. thai sp. nov. , E. k...

Here we report on a distinct ant specimen from the Collection of the Biologiezentrum in Linz, Upper Austria. It represents the fifth species of the Polyrhachis flavoflagellata species group that is presently assigned to the subgenus Myrmhopla FOREL, 1915 (DOROW 1995, KOHOUT 2009). KARAVAIEV (1935) erected the subgenus Cephalomyrma for Polyrhachis s...

Hylaeus euryscapus FÖRSTER, 1871 is recorded from Hackelsberg in Burgenland, and from Austria for the first time. This Mediterranean species is rare in Central Europe; its nearest occurrences are in Northern Croatia, Slovakia, Poland, and Hungary. Further eight species of wild bees are recorded from Burgenland for the first time: Lasioglossum brevi...

Commented list of bee species (Hymenoptera: Apidae) recorded from Vienna, 2 nd edition.-Due to the diverse structure of its natural environments and their integrity in the city's outskirts, Vienna possesses a very high biodiversity compared to other Central European cities. Bees (Apidae s. l.) play an important role in Europe's ecosystems as pollin...

The wild bee community of a sand steppe habitat in Eastern Austria was surveyed in the years 2018 and 2019, complemented with historical data from over 100 years, and analyzed in relation to land use change. The mapping of land use categories was based on historical aerial photographs and orthophotos. Changes in bee community composition were analy...

Inpreparationforasecondeditionofthelistofwildbees(Apidaes.l.) of Vienna, distributional data of 238 species are listed. 54 species are commented. Andrena ovata SCHENCK, 1853 is newly recorded from Austria. In addition, Andrena producta WARNCKE, 1973, Colletes inexpectatus NOSKIEWICZ, 1924, Stelis phaeoptera (KIRBY, 1802), and Sphecodes pseudofascia...

The current interpretation of the West Palaearctic species Hebrus montanus Kolenati, 1857 is confirmed by morphological studies of the five syntypes housed in the Natural History Museum Vienna. The single male is designated as the lectotype and described in detail.

Two new genera and three new species of Microveliinae are described from India: Thirumalaia ocularis gen. nov. & sp. nov. from Tamil Nadu, Eyarinella robusta gen. nov. & sp. nov. from Kerala and Tamil Nadu, and Geovelia fikaceki sp. nov. from Arunachal Pradesh. A male-based key to the genera of Microveliinae of India and a checklist of Indian speci...

Updated catalogue of the Pompilidae (Hymenoptera, Vespoidea) of Austria. In Austria the family Pompilidae is represented by 23 genera and 107 species, of which four species belong to the subfamily Ceropalinae, 41 species to the subfamily Pepsinae, and 62 species to the subfamily Pompilinae. A table summarizes the corrected distribution of species i...

A new genus of Microveliinae from New Guinea, Shaverdinia gen. n., with two new species, S. shaverdella sp. n. (type species) and S. balkei sp. n., is described. Important characters are a long pronotum of the apterous morph, short tarsi bearing simple claws, a forewing without spots, with four closed cells and in males a long protibial grasping co...

Red Lists are important tools for nature conservation, especially if up-to-date information on the threat status of species is available. Due to the high diversity of habitats (e.g., elevation and climatic zones) within a small area, Austria’s wild bee diversity is high compared to other Central European countries, with currently 702 species listed...

The Philippine species of Xenobates Esaki, 1927 are reviewed, with the exception of the Xenobates argentatus complex. Two species are described as new: Xenobates nypicola sp. nov. and X. riedli sp. nov. The presence of Xenobates murphyi Andersen, 2000 in the Philippines is confirmed. The taxonomically unresolved Xenobates argentatus complex is repr...

The subfamily Veliinae (Heteroptera: Gerromorpha: Veliidae) includes ten genera worldwide, seven of which are endemic to the American continent. Here, we provide a revision of Platyvelia Polhemus and Polhemus, 1993, which is distributed from the United States to northern Argentina, and included nine valid species prior to this study. Six species ar...

Three new species of the Rhagovelia orientalis species group are described from the Philippines: R. sophiae sp.n. from Catanduanes, R. masbatensis sp.n. from Masbate and Ticao, and R. orientaliformis sp.n. from western Mindanao. The species group now contains 30 species; 24 are endemic to the Philippines.

Most species of the Colletes succinctus group sensu Noskiewicz, 1936 are taxonomically uncertain. This study has chosen an integrative approach, including pollen analysis, morphology, male genitalia, morphometry, cuticle sculpture and DNA-barcoding (CO1) to investigate the five species that were reported from Austria. It includes a detailed analysi...

Rhagovelia freitagi Zettel, Laciny et Pangantihon, sp. n. is described and illustrated from Cambodia. The new species belongs to the Rhagovelia sarawakensis species group. A key to the species of this group that are presently known from Cambodia, Laos and Vietnam is also given.

This study reports on a survey of the wild bee fauna (Apidae s.l.) in the Umbal and Virgen Valleys, East Tyrol, during 17–23 July 2020. Eighty-nine species were registered. Hylaeus (Hylaeus) annulatus (linnAeuS, 1758) and Osmia (Melanosmia) alticola BenoiSt, 1922 are recorded from East Tyrol for the first time.

This paper reports eight species of Rhagovelia Mayr, 1865, from the Palawan biogeographic region, including three that are new to science. Rhagovelia minutissima Hungerford & Matsuda, 1961 (Busuanga Isl.); R. estrella Zettel, 1994 (Central Palawan Isl.); R. palawanensis Zettel, 1994 (South and Central Palawan Isl.); R. matillanoi, new species (Nort...

This survey aims to provide an updated species checklist of aquatic and semi-aquatic bugs in the intra-Philippine biogeographic Region of Mindoro. An assessment survey of water bugs (Hemiptera, Heteroptera) was conducted mostly by manual collection in selected areas of Oriental Mindoro from 2017 to 2018, in which some of the collecting activities w...

Minor workers of some ant species belonging to the Colobopsis cylindrica (Fabricius, 1798) (COCY) species group can suicidally eject their sticky and potentially toxic mandibular gland reservoir content (MGRC) to ward off putative arthropod opponents. Since the MGRC can also be ejected non-suicidally as droplets at the mandible base, it was hypothe...

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Aphelocheirus (Micraphelocheirus) narumonae sp.n. from northeastern Thailand is described. Collections of the new species originate from Khao Yai National Park and its surroundings. The new species is similar and probably closely related to Aphelocheirus (Micraphelocheirus) brevirostris Polhemus & Polhemus, 1989, an endemic species from northern Th...

In the years 1992 and 1993, the Austrian entomologist Michael Madl collected semiaquatic Hemiptera on Nosy Boraha (Île Sainte Marie), a small island near the north-eastern coast of Madagascar. The collected material contains five species of Rhagovelia Mayr, 1865, two of which are new to science. Both Rhagovelia madlisp. nov. and Rhagovelia kalalaoe...

The Madagascan material of the halobatine genus Eurymetra Esaki, 1926 (Hemi­ptera: Heteroptera: Gerridae: Halobatinae), which is deposited at the Natural History Museum Vienna, is revised. A close examination of “Eurymetra madagascariensis Poisson, 1945” revealed two new species, Eurymetra santamariae sp. nov. and Eurymetra papaceki sp. nov. A defi...

A critical and annotated catalogue of 309 types of Chrysididae belonging to 144 species, subspecies, and taxonomically available variations housed in the Natural History Museum Vienna is given. The neotypes of Chrysis austriaca Fabricius, 1804, Chrysis radians Harris, 1776, Chrysis socia Dahlbom, 1854, Holopyga gloriosa var. caucasica Mocsáry, 1889...

Background The morphological structures of organisms form tightly integrated but mutually independent character complexes (modules) linked through common development and function. Even though their abundance, diversity, and complex caste systems make camponotine ants ideal subjects to research developmental modularity and phenotypic integration, no...

The western conifer seed bug, Leptoglossus occidentalis Heidemann, 1910, an invasive, originally Nearctic species, is reported from the island of Cyprus for the first time. The new record is discussed.

Differentiated maintenance concept for the natural monument "Trockenrasen" in Tattendorf (Lower Austria). The granting of the protection status "natural monument" by the nature conservancy of Lower Austria is linked to the condition that the municipality of Tattendorf has to subject the area to ongoing care. Stated in detail are "annual mowing, at...

Forty-five volatile organic compounds (VOCs) were identified or annotated in the mandibular gland reservoir content (MGRC) of the Southeast Asian ant Colobopsis explodens Laciny and Zettel, 2018 (Hymenoptera: Formicidae), using headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography-mass spectrometry (GC-MS) and liquid extract...

A multidisciplinary project based in Austria and Brunei, titled “Voluntary self-sacrifice in exploding ants: a mechanism to defend coevolved microbiomes?” studies the evolution, phylogeny, and ecology of the extraordinary “exploding ants” of Southeast Asia. In addition to their enigmatic biology, they possess highly specialized minor and major work...

Two new species of the genus Esakia Lundblad, 1933 Lundblad, O.M. (1933), ‘Zur Kenntnis der aquatilen und semi-aquatilen Hemipteren von Sumatra, Java und Bali’, Archiv für Hydrobiologie Supplementum, 12, 1–195, 263–489. [Google Scholar] are described, both from Borneo: Esakia borneensis sp. n. and E. mazzoldii sp. n. For the first time, E. johorens...

Abstract: On the distribution of the plasterer bees Colletes marginatus Smith, 1846 and Colletes chengtehensis Yasumatsu, 1935 in Austria (Hymeno ptera: Apidae: Colletinae). In order to clarify the distribution of the two taxonomically difficult species of the Colletes marginatus group in Austria we examined specimens in the collection of the Natu...

Greater than 80% of species on Earth are awaiting formal description, and simultaneously, many of these species unknown to science are becoming extinct. Here we highlight the importance and benefits of collaborating and working in interdisciplinary research groups, to improve quality and efficiency of both ecological and taxonomic research. The aim...

We report on the discovery of a new ant species belonging to the Echinopla mezgeri species group from Peninsular Malaysia. Echinopla tunkuabduljalilii sp.n. differs from Echinopla mezgeri Zettel & laciny, 2015 from Borneo by a reduced puncturation on head, mesosoma, petiole, and gaster, and by a comparatively low petiole. Collection circumstances a...

Rediscovery of the social digger wasp Cerceris rubida (Jurine, 1807) (Hymenoptera: Crabroni-dae) in Austria, with notes on biology.-New records of the digger wasp Cerceris rubida (Jurine, 1807) from Vienna and Lower Austria are documented, and observations on the biology of the species described. Until now, only one Austrian record from the 19 th c...

Из Индии, Китая, стран Юго-Восточной Азии, Новой Гвинеи и Австралии известно 33 вида и 3 подвида древесных муравьев рода Echinopla Smith, 1857. Из Таиланда описываются два новых для науки вида: по касте ра- бочих из северных, центральных и западных провинций - Echinopla charernsomi Tanansathaporn et Jaitrong, sp. n., а по рабочим и сбросившей крыль...

In the Philippines, several species of the Myrmicaria brunnea group occur, whereas the M. arachnoides group is unknown from the archipelago. Here we redescribe Myrmicaria aphidicola Calilung, 2000, an endemic species of Mindanao and the only Myrmicaria so far described from the Philippines, and describe three species as new to science: M. buenavent...

The aim of this manuscript is to present a protocol describing the metabolomic analysis of Bornean 'exploding ants' belonging to the Colobopsis cylindrica (COCY) group. For this purpose, the model species C. explodens is used. Ants belonging to the minor worker caste possess distinctive hypertrophied mandibular glands (MGs). In territorial combat,...

Helotrephes nainamalaii sp. nov. from Meghalaya, India is described. Representatives of Helotrephes are so far known from southern China, Southeast Asia and Sundaland. The unexpected first record of Helotrephes from India expands their distribution more than 1,000 kilometres westward. The new species belongs to the H. australis species-group which...

The Hymenoptera fauna of the Lainzer Tiergarten in Vienna: 3. Cuckoo wasps (Chrysididae). – The Lainzer Tiergarten is a nature reserve in the southwest of Vienna, Austria. The former imperial hunting grounds are now a public recreation area and well known for old oak forests and rare xylobiontic insects. An inventory project by the Austrian Society...

A gynandromorph of Holopyga fervida (FABRICIUS, 1781) is described. This is the first record of a gynandromorph for the subfamily Chrysidinae and the second for the family Chrysididae. Holopyga fervida shows a strong sexual dimorphism in colour and surface sculpture. The studied specimen from Lower Austria is a mostly female-like mosaic gynandromor...

Conidera Rivalier, 1961 is a well-defined subgenus of tiger beetles (Coleoptera: Cicindelidae) hitherto only known from two species endemic to the island of Luzon. This paper describes the first species from Mindoro, with a doubtful record from Mindanao. Cylindera (Conidera) mindoroana Zettel and Wiesner, new species, differs strongly by an unusual...

A taxonomic description of all castes of Colobopsisexplodens Laciny & Zettel, sp. n. from Borneo, Thailand, and Malaysia is provided, which serves as a model species for biological studies on “exploding ants” in Southeast Asia. The new species is a member of the Colobopsiscylindrica (COCY) group and falls into a species complex that has been repeat...

Figure S5. Pupa of C. explodens sp. n. found inside the opened natural nest

Figure S4. Autothysis as defensive behaviour in an experimental setting

Figure S1. Living workers of C. explodens sp. n. on a detached branch containing a nest fragment

Figure S3. Interior of the natural nest of C. explodens sp. n. found in a dead tree branch of S. johorensis on the forest floor

Figure S2. Natural nest of C. explodens sp. n. in a dead branch in the high canopy of S. johorensis (the main host tree for the model colony)

The Lainzer Tiergarten is a nature reserve in the south- west of Vienna. The former imperial hunting grounds are now a public recreation area and well known for old oak forests and rare xylobiontic insects. Hitherto, the Hymeno- ptera fauna of the Lainzer Tiergarten has been largely unknown. Only one species of spider-hunting wasps was known from l...

The fauna of the spider-hunting wasps of Vorarlberg is poorly known. Hence, in the years 2016 and 2017 an inventory of the pom- pilid fauna was conducted. Additionally, specimens in private collections and museums were identified. It is aimed to present an updated and annotated checklist for the federal state of Vorarlberg. Overall 1175 specimens w...

Based on specimens (Natural History Museum Vienna, Cambodian Entomology Initiatives at the Royal University of Phnom Penh, private collection of fourth author) and based on literature, we provide a first species list of aquatic Hemiptera (Gerromorpha and Nepomorpha) of Cambodia. We studied 38 species (37 identified) and added three reliable species...

Colobopsis sp. nrSA is an ant species of the Southeast Asian Colobopsis cylindrica group (formerly in the genus Cam-ponotus), which is currently being studied in the course of a long-term project focusing on the ecology and evolution of its members. We herein describe the morphological diversity of a colony fragment in an artificial nest establishe...

Species of Camponotus Mayr, 1861 show a high variation of worker caste numbers, from a monomorphic worker caste to strong polymorphism along a continuous range of worker sizes or true worker dimorphism. Camponotus singularis (Smith, 1858) is used as a model for a Camponotus species with two very distinct worker castes (minors and majors) which are...

Hebrus franzi (Wagner, 1957) was described from the Apuan Alps (Tuscany, Italy) and not found again for several decades despite intensive search. We report on new collections that expand the known distribution area considerably, provide a redescription, and give first insights regarding the ecology of this remarkable flightless species.

In a recent issue of Systematic Entomology, Ward et al. (2015) presented a new variant of the phylogeny of the huge and extremely diverse ant clade Myrmicinae. Their paper is a valuable contribution to understand the formation of major phylogenetic clades against a credibly evaluated time scale. The intention of our opinion paper is not to criticiz...

In this study, we explored the composition and assemblage structure of aquatic Heteroptera from 15 sampling sites along the Phong River, Thailand, during the rainy (July 2011), cool (December 2011) and hot (March–April 2012) seasons. A total of 8399 individuals, belonging to 54 species and 12 families of aquatic Heteroptera were recorded. The Krusk...

A new species of open-air processional column termite is here described based on the soldier and worker castes from eight colonies in north Barito, central Kalimantan. Hospitalitermes nigriantennalis sp. n. is readily distinguished in the field from related Hospitalitermes spp. by the light brown to orangish coloration of the soldier head capsule t...

Additions to the bee fauna (Hymeno ptera: Apidae) of Vienna, Austria. – As an addition to a recently published checklist of the bees in Vienna, six first records are communicated: Hylaeus pectoralis Förster, 1871, Colletes mlokossewiczi radsZoWski, 1891, Andrena dorsalis brullé, 1832, Anthidium florentinum (Fabricius, 1775), Megachile flabellipes P...

Due to the diverse structure of its natural environments and their integrity in the city’s outskirts (Lainzer Tiergarten, Lobau etc.), Vienna possesses a very high biodiversity com- pared to other Central European cities. Bees (Apidae) play an important role in Europe’s ecosystems as pollinators of owering plants and are one of the most speciose fa...

A b s t r a c t Descriptions of three new species of army ants are provided: Aenictus pfeifferi sp.n. from Sarawak, Borneo; Aenictus pangantihoni sp.n. from Camiguin, the Philippines; and Aenictus carolianus sp.n. from Cebu, the Philippines. Z u s a m m e n f a s s u n g Diese Arbeit liefert die Beschreibungen von drei Ameisenarten aus der Unterfam...

A key to Philippine species of the formicine ant genus Myrmoteras Forel, 1893 is presented and two new species are described: Myrmoteras (Myagroteras) glabrum, new species from the island of Camiguin and Myrmoteras (Myagroteras) mcarthuri, new species from the island of Leyte.

Sixteen species of Echinopla Smith, 1857 distributed west of Weber's Line are treated, including eight species described as new: E. madli sp. n. from southern Thailand and Borneo, E. wardi sp. n. from West Malaysia, E. fisheri sp. n., E. circulus sp. n., E. mezgeri sp. n., and E. subtilis sp. n. from Borneo, E. brevisetosa sp. n. and E. angustata s...

Current science evaluation still relies on citation performance, despite criticisms of purely bibliometric research assessments. Biological taxonomy suffers from a drain of knowledge and manpower, with poor citation performance commonly held as one reason for this impediment. But is there really such a citation impediment in taxonomy? We compared t...

In the course of preparing a key to the Philippine tiger beetle genera (Pangantihon & Zettel, in prep.) it became necessary to examine the holotype of Cicindela philippinensis Mandl, 1956, the only specimen from the Philippines that has been tentatively assigned to the genus Myriochila Motschulsky, 1857.

Pristomyrmex pangantihoni sp. n., a new species from Mindoro Island, is described and illustrated. It is compared with P. collinus Wang, 2003 which is widespread in the Philippines.

A new species of hygropetric water strider, Onychotrechus dooarsicus sp. n. is described from Buxa Tiger Reserve, Dooars, West Bengal, India. Representatives of the new species were collected from a stream with boulders and rocks splashed by water, with slow current, situated at an altitude of 630 m a. s. l. This is the seventh species of Onychotre...

Two new species of water striders in the genus Pleciobates are described from India and compared with allied species. Pleciobates bengalensis Jehamalar, Basu & Zettel sp. nov.is described from the Jalpaiguri District, West Bengal and Pleciobates expositus Jehamalar, Chandra & Zettel sp. nov. (Hemiptera: Gerridae) is described from the Dhubri Distri...

The phylogenetic relationships among selected species and genera of Gerrinae (Heteroptera: Gerridae) were investigated in a parsimony analysis of 2268 bp of DNA sequence data from the genes encoding COI + II, 16S rRNA and 28S rRNA. The taxa represented 12 of 15 recognized genera of Gerrinae and with outgroup taxa from all other subfamilies of Gerri...

219 DAMGAARD J. & ZETTEL H. 2014 — The water bugs (Hemiptera-Heteroptera: Gerromorpha and Nepomorpha) of New Caledonia: Diversity, ecology and biogeographical significance, in GuiLbERT é., RObiLLARD T., JOuRDAN H. & GRANDCOLAsP.(eds), Zoologia Neocaledonica 8. Biodiversity studies in New Caledonia. Muséum national d'Histoire naturelle, Paris :219-2...

Salduncula carmencitae sp.n. is described, its habitus and the paramere and parandria of the male are illustrated. This shore bug was found on Mindanao Island, the Philippines, in the intertidal zone. Habitat and behaviour of the species are briefly described. The distinguishing diagnostic characters of species of Salduncula Brown, 1954 are discuss...

Liste der am Bisamberg und in Stammersdorf nachgewiesenen Goldwespen - In: Der Bisamberg und die Alten Schanzen Vielfalt am Rande der Großstadt Wien. H. Wiesbauer, H. Zettel, M.A. Fischer & R. Maier (Ed.), Gugler Druck, St. Pölten, 345-346

Polyrhachis (Myrma) viola sp. nov. from Mangkagangi Island and a near locality on Mindanao Island, both in Surigao del Sur Province, the Philippines, is described and illustrated. It is the fourth-named species in the cyaniventris species group which comprises striking blue-coloured ants that are endemic to the Philippines. In addition, Polyrhachis...

A b s t r a c t Pseudapocyrtus legorskyi sp.n. is described from the Bicol subregion in the Philippines. The genus Pseudapocyrtus Heller, 1912, endemic to the biogeographical region Greater Luzon in the Philippines, presently comprises ten species including the new one described in this paper. Z u s a m m e n f a s s u n g Pseudapocyrtus legorskyi...

Updated distribution data are presented for the following species of Notonectidae (Heteroptera) in southeastern Asia: Anisops breddini Kirkaldy, 1901, A. kuroiwae Matsumura, 1915, A. nasutus Fieber, 1851, A. nigrolineatus Lundblad, 1933, A. occipitalis Breddin, 1905, A. rhomboides Nieser & Chen, 1999, A. stali Kirkaldy, 1904, Aphelonecta philippina...