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What is it to make an error in the identification of a named taxonomic group? In this article we argue that the conditions for being in error about the identity of taxonomic groups through their names have a history, and that the possibility of committing such errors is contingent on the regime of institutions and conventions governing taxonomy and nomenclature at any given point in time. More specifically, we claim that taxonomists today can be in error about the identity of taxonomic groups in a way that Carl Linnaeus (1707-1778), who is routinely cited as the "founder" of modern taxonomy and nomenclature, simply could not be. Starting from a remarkable recent study into Linnaeus's naming of Elephas maximus that led to the (putative) discovery of a (putative) nomenclatural error by him, we reconsider what it could mean to discover that Linnaeus misidentified a biological taxon in applying his taxon names. Through a further case study in Linnaean botany, we show that his practices of (re)applying names in taxonomic revisions reveal a take on determining "which taxon is which" that is strikingly different from that of contemporary taxonomists. Linnaeus, we argue, adopted a practice-based, hands-on concept of taxa as "nominal spaces" that could continue to represent the same taxon even if all its former members had been reallocated to other taxa.

A new species, Epitranus longicaudatus sp. nov., is described with illustrations from South India, expanding the genus Epitranus Walker to 73 species globally and 18 from India. The new species is compared with the congeneric species E. salinae Narendran, originally described from Malaysia. Both E. longicaudatus sp. nov. and E. salinae are easily identified within the monotypic subfamily in having large metasoma, more than twice as long as petiole and having gastral terga following the first, telescopic and retracted beneath the first. E. salinae is also diagnosed and illustrated using digital images for the first time. These two species complex is the largest of all described Epitranus.

With this publication we provide an updated catalogue of the type material of mantises (Mantodea) deposited in the Zoological Museum Hamburg (ZMH). We report 84 type specimens (51 holotypes, 25 paratypes and 8 syntypes) belonging to 64 species (45 valid names and 19 synonyms). Furthermore, we present high resolution illustrations for these type specimens.

The taxonomy of king cobras (Ophiophagus) was reevaluated using qualitative, mensural and meristic characters, based on 148 entire and five skeletal specimens, and supported by a recent molecular phylogenetic analysis. We provide nomenclatural synopses of both the genus and species-series nomina. We restrict the concept of Ophiophagus hannah s. str. to populations from eastern Pakistan, northern and eastern India, the Andaman Islands, Indo-Burma and Indo-China, south to central Thailand. The nomen Ophiophagus bungarus (Schlegel, 1837) comb. nov. is revived for the populations inhabiting the Sunda Shelf area, including the Malay Peninsula, the Greater Sunda Islands and parts of the southern Philippines. We describe two new species, Ophiophagus kaalinga Gowri Shankar, Das & Ganesh sp. nov. endemic to the Western Ghats of south-western India and Ophiophagus salvatana Gowri Shankar, Das & Wüster sp. nov., inhabiting the island of Luzon in northern Philippines. For the purpose of nomenclatural stability, we designate a neotype for Hamadryas hannah Cantor, 1836. A dichotomous identification key to the four species recognized here is provided.

ABSTRACT We present an updated checklist of Brazilian bats, commenting on the endemic and threatened status of the species listed and providing information on recent taxonomic and nomenclatural changes. The bats of Brazil comprise 186 species, 68 genera, and nine families, with 13 species exclusive to the country. From the previous checklists, we add eight species to Brazil: Artibeus amplus, Choeroniscus godmani, Glossophaga bakeri, Lichonycteris obscura, Platyrrhinus guianensis, Trachops ehrhardti, Molossus melini and Myotis pampa. The latter is reported for the country for the first time in this study. The Brazilian list of threatened species includes three species as vulnerable (Furipterus horrens, Lonchophylla bokermanni, and Natalus macrourus) and Lonchophylla dekeyseri as endangered. The International Union for the Conservation of Nature (IUCN) lists Natalus macrourus as “near threatened”, and Lonchophylla bokermanni and L. dekeyseri as “endangered”. Twenty-two additional species are probable for the country. Compared to previous lists, five species are now considered doubtful records and 19 are considered erroneous records. We reinforce the importance of a continuous update of the bat checklists in all Brazilian states as well as taxonomic revisions and bat inventories in unsampled areas.

In total, 63 specimens of Lycaenidae collected in high altitude of the Bamyan Province, Waras District, vicinity of Doabi, a less explored area of Afghanistan from lepidopterological point of view, are evaluated. Te material represents seven polyommatine (Afarsia hanna (Evans, 1932), Alpherakya bellona (Grum-Grshimailo, 1888), A. yakavlangi (Tshikolovets, Pljushtch, Pak et Skrylnik, 2018), Aricia agestis ([Schifermüller], 1775), Eumedonia eumedon bamiana (Tshikolovets, Pljushtch et Skrylnik, 2018), Polyommatus bilucha (Moore, 1884), P. icarus (Rottemburg, 1775)), one scolitantidine (Turanana laspura (Evans, 1932)) and one callophrydine (Satryium hazarajatica Krupitsky, Pljushtch et Pak, 2018) lycaenid butterfy species, all of them are briefy annotated. Te species Polyommatus nadirus (Moore, 1884) is discussed. Tese results the following nomenclatural actions and changes: Eumedonia eumedon bamiana comb. n.; Polyommatus muetingi (Bálint, 1993), sp. reinst. from the synonymy of Polyommatus nadira (Moore, 1865) Tshikolovets, Pljutsch et Skrylnik, 2018; lectotype is designated for Lycaena nadira Moore, 1884; Afarsia sieversi nadira (Moore, 1884), comb. n. = Polyommatus sieversi felicia Evans 1932, syn. n.

Diospyros L. is a large genus of flowering plants predominantly distributed in the tropics. It comprises over 700 species globally and around 300 are believed to occur in South-East Asia. Many species are economically important and exploited for the production of ebony wood and persimmons, yet taxonomic information on the genus is incomplete and inconsistent due to its morphological and nomenclatural complexity. Revisions of Diospyros in continental and insular South-East Asia were conducted independently by different authors, occasionally with different names used for the same species, or different species being given the same name in different countries. During our ongoing study of the genus Diospyros in Indochina (Cambodia, Laos, Thailand and Vietnam), we identified several such instances. Here, we clarify the most commonly misidentified species, including 1) D. apiculata Hiern, D. strigosa Hemsl. and D. tamiriensis Lecomte; 2) D. bejaudii Lecomte and D. retrofracta Bakh.; 3) D. dictyoneura Hiern and D. hasseltii Zoll.; 4) D. borneensis Hiern and D. fecunda H.R.Fletcher. Lectotypifications are also made for D. brachiata King & Gamble var. lanceolata H.R.Fletcher, D. fecunda, D. similis Craib and D. strigosa.

Recent phylogenetic studies of Gammaridae made evident some nomenclatural issues that should be addressed. We discuss the nomenclatural problems caused by the use of the unavailable name Neogammarus Ruffo, 1937 and the designation of type species for Rhipidogammarus Stock, 1971 and Neogammarus Karaman, 1969. Since the type species of these two last names is the same, Gammarus rhipidiophorus Catta, 1878, the ICZN requires that a new objective synonymy be established: Neogammarus Karaman, 1969 = Rhipidogammarus Stock, 1971, syn. nov. This synonymy changes the current general use of these two names, generating a new nomenclatural combination, Neogammarus karamani (Stock, 1971) n. comb. We provide a synonymic list of Neogammarus to facilitate its general application.

A species catalogue of the little-known genus Micranops Cameron, 1913 is presented. Based on the examination of primary types, 21 species are transferred to Micranops as new combinations: Micranops aborensis (Fagel, 1973), M. brachyceroides (Fagel, 1973), M. brachycerus (Fauvel, 1900), M. caelebs (Fagel, 1973), M. chloroticus (Sharp, 1876), M. hoyoensis (Fagel, 1973), M. hustachei (Coiffait, 1987), M. lacustris (Bernhauer, 1937), M. longiceps (Casey, 1886), M. lwiroensis (Fagel, 1973), M. mabalianus (Fagel, 1973), M. mediicollis (Lea, 1923), M. myrmecophilus (Bernhauer, 1921), M. pallidulus (Kraatz, 1859), M. obscurellus (Cameron, 1932), M. planiusculus (Kraatz, 1859), M. pokharensis (Coiffait, 1981), M. ruwenzoricus (Fagel, 1973), M. subapterus (Cameron, 1951), M. upembanus (Fagel, 1973), and M. zambezianus (Fagel, 1973). Micranops bartolozzii sp. n., a microphthalmous, flightless species, is described from the Udzungwa Mountains in southern Tanzania, and both its primary and secondary sexual characters are figured. Consequently, 32 species are currently assigned to Micranops.

Type specimens of Oedionychina Chapuis, 1875 described by Fabricius from the Kiel collection are examined and illustrated. Lectotypes are designated for the following species: Chrysomela albicollis Fabricius, 1787; Chrysomela nobilitata Fabricius, 1787; Chrysomela quadrifasciata Fabricius, 1787; Chrysomela quadriguttata Fabricius, 1781; Galleruca atomaria Fabricius, 1801; Galleruca decemguttata Fabricius, 1801; Galleruca fasciata Fabricius, 1798; Galleruca humeralis Fabricius, 1801; Galleruca lunata Fabricius, 1801; Galleruca nitida Fabricius, 1801; Galleruca obsoleta Fabricius, 1801; Galleruca petaurista Fabricius, 1801; Galleruca quadrinotata Fabricius, 1798; Galleruca sellata Fabricius, 1801. The species status is restored for Chrysomela quadriguttata Fabricius, 1781 and Alagoasa areata (Germar, 1824) comb. nov. The following new combinations are proposed: Phenrica quadriguttata (Fabricius, 1781), Asphaera nitida (Fabricius, 1801), Phenrica obsoleta (Fabricius, 1801), Alagoasa areata areata (Germar, 1824), Alagoasa areata decempunctata (Latreille, 1833), Alagoasa areata escuintla Bechyné, 1955, Alagoasa areata macromela Bechyné, 1958, Alagoasa areata praecessa Bechyné, 1959, Alagoasa areata recuperata Bechyné, 1959; all comb. nov. New placement: Galleruca avicenniae Fabricius, 1792 is removed from Alticini and placed in Galerucini incertae sedis; Galleruca trifasciata Fabricius, 1801 is removed from Chrysomelidae and placed in genus Ora Clark, 1865 (Scirtidae Fleming, 1821).

The current herpetological literature considers Gmelin (1789) as the authority for making the name Chalcides ocellatus tiligugu available. However, the subspecies had already been introduced by Hermann (1783) who referred in his short description to a publication by Cetti (1777). This short note shows that in accordance with the rules of nomenclature the correct notation for this Sardinian scincid lizard should be Chalcides ocellatus tiligugu (Hermann, 1783).

Hesperinus Walker, 1848, a member of Bibionidae (Diptera), is a Holarctic and Oriental genus. The genus has been reported from the Neotropical Region twice: i) Hesperinus conjungens Schiner, 1868, transferred to Plecia Wiedemann, 1828 by Hardy in 1967, and ii) additional specimens identified as Hesperinus sp. by Messias Carrera in 1944. In this study, we revisited the Carrera’s specimens, identifying them as Plecia sp. Additionally, we discussed the taxonomy of Plecia conjungens and compiled a list of articles that consider the species as Hesperinus.

A review of the genus Stratiomys from India is presented. The new species Stratiomys brunettii sp. nov. is described based on male and female specimens collected from the Kashmir Himalayas. The only other congener previously recorded in India, Stratiomys approximata, is redescribed. A key to the species is presented.

View on Scopus Thaumasura Westwood is one of the unique genera of Cleonyminae (Hymenoptera, Pteromalidae) represented from the Oriental region by only three species. The only known representative of the genus from India was described as Thaumasura indica Sureshan & Binoy, which was already preoccupied by Thaumasura indica Mani & Kaul (currently in Balcha Walker). Thus, the replacement name Thaumasura keralica Binoy nom. nov. is hereby proposed to resolve this homonymy. Furthermore, Thaumasura femoralis (Westwood) is redescribed and its morphological characters are illustrated. A key to the Oriental species of the genus is also provided.

The Hylaeus brevicornis group of the subgenus Dentigera is defined and revised. A total of 22 species are included in the group, their circumscription and identification using morphological characters is described and discussed, and their distribution is studied. Three species from Lebanon and Nepal are described as new to science. The hitherto unknown females of Hylaeus (Dentigera) alievi Dathe & Proshchalykin, 2021 and Hylaeus (Dentigera) biarmicus (Warncke, 1992) are described for the first time. An integrative revision of the group involving gene sequencing is being prepared.

Abstract Santana et al. (2022) described a new genus and species of fossil crab, Chronocancer camilosantanai, from carbonate concretions of the Romualdo Formation of the Araripe Sedimentary Basin. The journal in which the description appeared was published online only and the new name did not include a ZooBank registration number (LSID), as required for validation of new names in electronic-only publications. The present note serves to validate the name Chronocancer camilosantanai by fulfilling the ICZN conditions for nomenclatural availability. The date and authorship of the specific name, accordingly, are those of this note, not Santana et al. (2022).

A synthesis of the Phaeogenini occurring in the Afrotropical region is provided. Three species are newly described: Centeterichneumon nambi Dal Pos, Diller & Di Giovanni sp. nov. from Uganda, Chauvinia ganota Claridge sp. nov. from Kenya, and Kibalus nonnaritae Dal Pos & Di Giovanni sp. nov. from Uganda. Heterischnus mfongosi Rousse & van Noort, 2013 is newly recorded for Kenya and Tanzania and the male of the species is diagnosed for the first time. Also, the female of Arearia oxymoron Rousse & van Noort, 2013 is diagnosed for the first time from one of the paratype localities. Lusius tenuissimus (Heinrich, 1938) and Chauvinia nyanga Rousse & van Noort, 2013 are recorded for the first time for Uganda and Kenya, respectively. In addition, new localities are given for Chauvinia nitida (Heinrich, 1938), Heterischnus olsoufieffi (Heinrich, 1938) and Hoplophaeogenes curticornis Heinrich, 1938. A new combination, Nesostenodontus mkomazi (Rousse & van Noort, 2013) comb. nov., is proposed to accommodate Heterischnus mkomazi. An updated key to the Afrotropical genera of Phaeogenini and keys to the Afrotropical species of the genera Arearia Seyrig, Centeterichneumon Heinrich, Chauvinia Heinrich, Heterischnus Heinrich, Hoplophaeogenes Heinrich, Kibalus Rousse, van Noort & Diller, and Lusius Tosquinet are provided. Updated online Lucid keys to genera and species are available from http://www.waspweb.org.

Based on morphological and molecular data Benda et al. (2012) suggested that East European and West and East Asian steppe whiskered bat, Myotis aurascens Kusjakin, 1935, is conspecific to M. davidii (Peters, 1869) described from China. This hypothesis found considerable support and eventually it may even turn out to be true, but at present it still needs more testing. It is only clear so far that the steppe whiskered bats from the western Eurasia and steppe whiskered bats from southern China are different, phylogenetically quite distant species. The study of variation and between-group differences of the steppe whiskered bats in morphological characters and molecular markers throughout the species geographic range is needed, and especially the comparison of their molecular genetic traits with those of M. davidii from the type locality (Beijing). Until such an analysis is done, taxonomic statements on the synonymy of the names M. aurascens and M. davidii are premature.

The taxonomy of the genus Cephalia Meigen, 1826 has hitherto been confused. This paper comprises a review of the 13 nominal species assigned to the genus Cephalia to date. Of these, C. nigripes Meigen, 1826 has previously been considered a junior synonym of C. rufipes Meigen, 1826, which is here found to be apparently the only species which actually belongs in the genus Cephalia. Regarding the position of the other species: Cephalia fascipennis Wiedemann, 1830, C. femoralis Wiedemann, 1830 and C. marginata Wiedemann, 1830 was already transferred to Setellia (Richardiidae) and C. caloptera Bigot, 1886 synonymized with Euphranta connexa (Tephritidae); C. bicolor Bigot, 1886 synonymized with Elassogaster linearis (Walker, 1849) (Platystomatidae); and C. quadripunctata Gimmerthal, 1842 tentatively placed in the genus Sapromyza (Lauxaniidae). Cephalia myrmecoides Loew, 1860 and C. fenestrata Coquillett, 1900 have been transferred to the monotypic genera Myrmecothea Hendel and Myiomyrmica Steyskal respectively, forming a clearly monophyletic lineage together with C. rufipes within the tribe Cephaliini (Ulidiidae). The following synonymies are also established here for the remaining species: Acrosticta fulvicornis (Bigot, 1886) comb. n., = Cephalia fulvicornis Bigot, 1886 (Acrosticta fulvipes Coqullett, 1900 is possibly a junior synonym) (Ulidiidae); Herina flavoscutellata (Becker, 1900), comb. n. (Ulidiidae), = Cephalia flavoscutellata Becker, 1900; Rivellia maculipennis (Bigot, 1886) comb. n., = Cephalia maculipennis Bigot, 1886 = Rivellia brevifasciata Johnson, 1900 syn. n. (Platystomatidae). The taxonomic position of Cephalia within the subfamily Otitinae is discussed.

A new genus and new species of potamid crab, Gurumon gurumayum gen. et sp. nov., are described from the Arunachal Pradesh State of northeastern India. Gurumon gen. nov. has affinities with Abormon Mitra, Pati & Ng, 2021, Pararanguna Dai & Chen, 1985, and some species of Potamiscus Alcock, 1909, but the new genus can easily be differentiated from them mainly by its low external orbital angle, the relatively stouter exopod of the third maxilliped, and the relatively broader male pleonal somite 6. Their male first gonopods are also different from each other. Counting Gurumon gurumayum gen. et sp. nov., India is currently known for ten genera and 24 species of potamiscine freshwater crabs, and Arunachal Pradesh for eight genera and 11 species of these crabs. The current nomenclatural problems with Potamiscus are also discussed.

Initial analyses of DNA barcode data from Norwegian populations attributed to the water mite Lebertia porosa Thor, 1900 revealed large genetic divergence and potentially cryptic species-level diversity. We used one mitochondrial (COI) and two nuclear markers (18S and 28S) as well as comparative morphological analysis to redefine Lebertia porosa, and to further investigate the species boundaries of Norwegian populations of its close relatives. Our results show that Lebertia porosa, as currently defined, consists of multiple species that can be separated by molecular and morphological characteristics. Although we document the presence of the endosymbiotic bacteria Wolbachia in two out of eight screened genetic lineages, we find no evidence of intraspecific genetic divergence caused by Wolbachia infections. The assignment of one of the genetic lineages to the nominal species could be made through morphological comparisons of specimens from the L. porosa type locality with the syntypes of L. obscura Thor, 1900. Thus, the diagnosis of L. porosa is emended and a neotype is defined. Two of the remaining genetic lineages could be assigned to existing names previously regarded as junior synonyms of L. porosa, namely L. obscura (lectotype defined here) and L. gibbosa Lundblad, 1926, which are both redescribed. The outstanding genetic lineages are unnamed, but from our work we conclude that the taxa Lebertia porosa britannica Thor, 1906, L. porosa dorsalis Thor, 1906, and L. porosa italica Thor, 1906 are nomina dubia that cannot be considered junior synonyms of L. porosa as proposed by K. Viets (1956). We also consider L. vigintimaculata Thor, 1900 a nomen dubium, probably identical to L. obscura.

On the basis of 3333 specimens, geographical, spatial and temporal records of 225 noctuid and 37 papilionoid Lepidoptera species are given for the better knowledge of the fauna of Tajikistan. The following 25 species are recorded as new for the Tajikistani fauna: Agrotis golickei Ershov, 1871, Amphipyra cancellata Warren, 1911, Anapoma riparia (Boisduval, 1829), Archanara insoluta (Warren, 1911), Autophila einsleri Amsel, 1935, A. laetifica (Staudinger, 1901), A. maculifera Staudinger, 1888, Callopistria latreillei (Duponchel, 1827), Chazaria incarnata (Freyer, 1838), Chersotis lehmanni Varga, Gyulai, Ronkay et Ronkay 2013, Cirrhia tunicata (Graeser, 1890), Conistra pseudopolitina Hacker, 1990, Cryphia maeonis (Lederer, 1865), Cucullia tecca Püngeler, 1906, Dichagyris naumanni Varga, 1996, Episema minuta Boursin et Ebert, 1976, Eugnorisma cuneiferum Varga et L. Ronkay, 1994, Hypena opulenta (Christoph, 1877), Lophoterges varians Ronkay, 2005, Mniotype dubiosa (Bang-Haas, 1912), Namangana cretacea Staudinger, 1888, Nonagria puengeleri pringlei (Wiltshire, 1958), Orthosia reshoefti Hrebaly et Plante, 1994, Oxytripia orbiculosa (Esper, 1799) and Shargacucullia zerkowitzi (Boursin, 1934). The hitherto unknown female of Perigrapha heidi Hreblay, 1996 and male of Orthosia reshoefti are described. The taxonomic and nomenclatorial problems of Polymixis roehrei Boursin, 1961 are discussed, resulting the new synonymy Dasysternum colluta Draudt, 1934 = Polymixis roehrei Boursin, 1961, syn. n. New distributional data for Ostheldera kondara Varga et Ronkay, 1991 (Darvaz Mts.) are given with some additional comments on the female genitalia characters in comparison with those of O. minna Ronkay et Varga, 1994.

The Chapada dos Veadeiros National Park is a conservation unit established to preserve the highest savannahs of Central Brazil and their unique biodiversity. Eriocaulaceae are a relevant and conspicuous family in such high savannahs, but its diversity is poorly known, documented solely in general lists or in isolated efforts aimed at small groups. After a structured series of field expeditions and analysis of specimens from the relevant herbaria, we provide nomenclatural novelties, a first identification key, and an illustrated checklist for the species of Paepalanthoideae (Eriocaulaceae) in the area. We recorded 42 species of Paepalanthoideae from the Chapada dos Veadeiros National Park: Actinocephalus (Körn.) Sano (2 spp.), Comanthera L.B.Sm. (1 sp.), Paepalanthus Mart. (24 spp.), and Syngonanthus Ruhland (15 spp.). Actinocephalus brevifolius Trovó & Echtern. sp. nov. and P. irwinii Trovó & Echtern. sp. nov. are newly described species and P. politus Trovó stat. et nom. nov. is a variety of P. elongatus (Bong.) Körn. raised to the species status with a new name. The generic and specific composition shows predominance of Paepalanthus and Syngonanthus, and with a low representation of Actinocephalus and Comanthera, as expected, outside of the Espinhaço Range. More than 50% of the species (22 spp.) are endemic to the area and 25 species are endemic to Central Brazil, the area being the main center of diversity for dimerous-flowered groups. The non-endemic diversity is a combination of widespread species and marginal distribution of species typical from the Amazon and southeastern savannahs. The species are unevenly distributed in the area, with their occurrence correlated to altitude, water availability, and lithology. We reinforce that the savannahs from Central Brazil are a secondary center of diversity for Eriocaulaceae, playing a central role in the conservation of an unique and irreplaceable piece of its diversity and the Cerrado biome as well.

General issues of "taxonomic monitoring" of the mammal fauna of Ukraine are considered, including current changes and clarifications on the species composition of fauna, taxonomic ranks of species and superspecies groups, and current scientific and vernacular (Ukrainian) names. Analytical references and comments on the ranks and names of 24 taxa or taxonomic groups are presented, including 6 on Glires non-Muroidae, 7 on Muroidae, 5 on Chiroptera, 2 on Carnivora, and 4 on Ungulata. Most of the changes concern taxa ranks (especially genus / subgenus or family / subfamily) and, to a lesser extent, scientific and Ukrainian names. All changes are analysed as an update to the checklist approved by the Ukrainian Theriological Society (UTS) and published in 2012 in the Proceedings of the NMNH. In particular, this publication recognises the species status and correct use of scientific species names of Spalax graecus, Spalax arenarius, Apodemus (Sylvaemus) tauricus, and Myotis aurascens, as well as the Ukrainian vernacular names “hipsuh” (for Hypsugo) and “saiga” (for Saiga), scientific generic names Myodes (Ukr. “norytsia”) and Alexandromys (Ukr. “shaparka”), the family rank of long-winged bats (Miniopteridae), and the scientific name Cricetulus migratorius for the grey hamster as valid. The following provisions are adopted based on recent publications and trends in the development of classifications: 1) a new understanding of the volume and species name of Spermophilus planicola (little souslik) and Pipistrellus lepidus (Kuhl's pipistrelle); confirmation of the family status of birch mice, but with a new scientific name Sminthidae; correctness of scientific names Neogale vison (American mink) and Ovis gmelini (mouflon); 2) clarification of the Ukrainian vernacular name “molossovi” for Molossidae; 3) the genus coypu (Myocastor) is considered within the family of spiny rats (Echimyidae), whereas genera of voles (Microtus), red-backed voles (Myodes) and water voles (Arvicola) within the family of hamsters (Cricetidae); 4) lowering the ranks of several taxa, in particular Arvicolidae to subfamily Arvicolinae (within the family Cricetidae), Allactagidae to subfamily Allactaginae (within the family Dipodidae), Terricola to subgenus within the genus Microtus (s. l.), Bison to subgenus within the genus Bos (hence the bison is Bos bonasus), 5) the genus Sylvaemus is preserved at the same rank as the genus Apodemus. Trends in further changes of checklists and the need to align them with basic checklists and to adapt "thematic" lists, such as "red lists" for national or regional levels, game fauna lists, species lists in annexes to various international agreements (e.g. SITES), Bern Convention, EUROBATs, etc.) are considered.

Abstract The types of nominal species of Echinodermata in the collection of the Museu de Zoologia, Universidade de São Paulo are catalogued: Holothuroidea (19 species - 16 holotypes, 1 paratype and 2 neotypes) and Ophiuroidea (4 species - 1 neotype and 3 paratypes). Photographs of all the type specimens are given. A brief account of the history of the MZUSP’s echinoderm collections is presented.

A taxonomic review of tenebrionid platyopoid genera of the subfamily Pimeliinae from Eastern Europe, Central Asia, Afghanistan, Iran and Pakistan is given. This group of taxa was known before 1994 as the tribe Platyopini Motschulsky, 1849, which is now interpreted as a junior synonym of Pimeliini Latreille, 1802. The group is different from other Pimeliini in having dorso-lateral eyes, located above the level of the genae, and it includes the following ultrapsammophilic genera at least from Central and Southern Asia: Apatopsis Semenov, 1891, Habrochiton Semenov-Tjan-Shansky, 1907, Habrobates Semenov, 1903 [= Kawiria Schuster, 1935 syn. nov.], Dietomorpha Reymond, 1938, Przewalskia Semenov, 1893, Mantichorula Reitter, 1889, Platyope Fischer von Waldheim, 1820 [= Homopsis Semenov, 1893 syn. nov.], Earophanta Semenov, 1903. These genera are distributed in almost all large deserts of Palaearctic Asia: Karakum, Kyzylkum, Muyunkum, Taklamakan, Gobi, Registan, Dasht-e-Kawir, Dasht-e-Lut, as well as in other arid and semi-arid sandy landscapes from European Russia to the south of Eastern Siberia. The group of platyopoid genera is polyphyletic. We propose at least two monophyletic branches: the Habrobates genus group (the first four genera mentioned above), which represents the subtribe Habrobatina Nabozhenko & S. Chigray subtrib. nov. and the Platyope genus group (latter four genera) within the nominotypical subtribe. A new species is described from Pakistan (Balochistan): Dietomorpha gonzalesi S. Chigray & Nabozhenko sp. nov. Platyope granulata Fischer von Waldheim, 1820 is recorded for Kazakhstan for the first time. The following synonymy is resurrected: Apatopsis grombczewskii Semenov, 1890 = Apatopsis conradti Semenov, 1890, syn. resurr. Two new combinations resulting from the synonymy of genera are given: Habrobates gabrieli Schuster, 1935 comb. nov. (from Kawiria), Platyope grumi Semenov, 1893 comb. nov. (from Homopsis). Lectotypes are designated for the following taxa: Apatopsis grombczewskii (Semenov, 1891), Apatopsis conradti Semenov, 1891, Habrochiton vernus Semenov-Tjan-Shansky, 1907, Habrobates vernalis Semenov, 1903, Kawiria gabrieli Schuster, 1935, Platyope dilatata Reitter, 1887; Mantichorula semenowi Reitter, 1889, Mantichorula grandis Semenov, 1893, Homopsis grumi Semenov, 1893, Platyope serrata Semenov, 1893, Platyope planidorsis Reitter, 1889, Platyope tomentosa Semenov, 1893. Additional information for type specimens studied by the authors is given for Habrochiton primaeveris Semenov-Tjan-Shansky, 1907 (holotype), Habrobates vejisovi Kelejnikova, 1977, Platyope ordossica Semenov-Tjan-Shansky, 1907 (holotype), Earophanta autumnalis Semenov, 1903 (holotype, junior synonym of E. planidorsis Reitter, 1889), Earophanta loudoni Semenov, 1903 (holotype, junior synonym of Earophanta pilosissima Reitter, 1895), Earophanta pubescens Skopin, 1960 (holotype, paratypes), Earophanta beludzhistana Bogatchev, 1957 (holotype).

Helix grisea was described by Linnaeus in 1758, and its identity has been doubtful ever since. The name features in the early taxonomic history of some other species of Helix sensu lato. Here I provide a summary of the history of its use. Mostly, the name was applied for the widespread species now accepted as Cornu aspersum (O. F. Müller, 1774), while a few authors used it for Helix cincta O. F. Müller, 1774. Neither usage is in line with the Linnaeus' account. Based on a figure to which Linnaeus referred, I propose that the name originally applied to a species now known as Helix lucorum Linnaeus, 1758 and as the first reviser, I give precedence to H. lucorum over H. grisea. In respect to C. aspersum, H. grisea cannot take precedence because of reversal of precedence according to Art. 23.9, and is pronounced a nomen oblitum. The case of H. grisea illustrates the importance of Müller's work for the taxonomy of the genus. In this respect it is regrettable that some of his species, including C. aspersum, lack a known and well documented type specimens.

Scutigera tancitarona is designated as a junior synonym of Dendrothereua linceci based on morphological features of tergal prominences and female gonopod.

The name Dicrotendipes sinicus was originally proposed in 2018, but the requirements of the International Code of Zoological Nomenclature were not fulfilled to make the name available. We here re-propose the name with full Code compliance and redescribe and illustrate all life stages of the species to make the name available.

Abstract KellogginaWilliston, 1907 is one of the least studied Blephariceridae genera in the world, despite being the most diverse in the Neotropics with 34 species. We provide a catalogue with the 14 nominal species of the genus described by Lane and d’Andretta from the Southeastern Region of Brazil, of which the type-specimens are deposited at the Diptera Collection of the Museu de Zoologia da Universidade de São Paulo. There are 60 specimens deposited at this museum, including male holotypes of 14 species and females “allotypes” (paratypes) for seven species. We include male diagnoses and photographs of the holotypes of all species.

Some complicated questions of the nomenclature in the genus Glaphyrus Latreille, 1802 are discussed. The genus Glaphyrus was described by Latreille in 1802 (not 1804 or 1807) with the type species Melolontha serratulae Fabricius, 1792 by monotypy. Designation of nominal species Melolontha cardui Fabricius, 1787 (= G. maurus (Linnaeus, 1758) as a type species of the genus Glaphyrus is invalid. Ménétriés described G. globulicollis in 1836 and just redescribed it in 1839. As a result, the name “Glaphyrus globulicollis Ménétriés, 1839” does not have nomenclatural significance, and the synonymy G. globulicollis Ménétriés, 1839 = G. caucasicus Kraatz, 1882 does not meet the requirements of the nomenclature.

The classification of the superfamily Psylloidea is revised to incorporate findings from recent molecular studies, and to integrate a reassessment of monophyla primarily based on molecular data with morphological evidence and previous classifications. We incorporate a reinterpretation of relevant morphology in the light of the molecular findings and discuss conflicts with respect to different data sources and sampling strategies. Seven families are recognised of which four (Calophyidae, Carsidaridae, Mastigimatidae and Triozidae) are strongly supported, and three (Aphalaridae, Liviidae and Psyllidae) weakly or moderately supported. Although the revised classification is mostly similar to those recognised by recent authors, there are some notable differences, such as Diaphorina and Katacephala which are transferred from Liviidae to Psyllidae. Five new subfamilies and one new genus are described, and one secondary homonym is replaced by a new species name. A new or revised status is proposed for one family, four subfamilies, four tribes, seven subtribes and five genera. One tribe and eight genera / subgenera are synonymised, and 32 new and six revised species combinations are proposed. All recognised genera of Psylloidea (extant and fossil) are assigned to family level taxa, except for one which is considered a nomen dubium.

Background In a recent work I transformed a complex and integrated text like the International Code of Zoological Nomenclature into a network of interconnected parts of text. This new approach allowed understanding that a continuous body of text cannot accurately reflect the true structure of the Code, and provided a scientific methodology to identify a priori parts that could be affected by future revisions. In this next step, I investigate further the structure of the Code, seeking to use the network in order to identify the various conceptual communities grouping the various articles and other text items of the Code. Methods Using the first version of the network of the Code, I perform a comprehensive modularity analysis in two rounds: the first round aims to identify the fewest and largest communities or modules for the entire network, whereas the second round identifies the sub-modules within each larger module. The potential conflicts between the current structure of the Code and the module composition are evaluated with a parcellation analysis. Results The optimal modularity search identified 10 different modules in the entire network of varying size (ranging from 75 to 200 nodes). Each module can be further divided into smaller modules, that all-together allow describing the 65 conceptual groups of text items in the Code. Parcellation analysis revealed that two-thirds of the current chapters of the Code are in excellent or good accordance with the recovered conceptual modules, whereas the current composition of six chapters is in serious conflict with the conceptual structure of the Code. Discussion Judging only the composition and not the order of appearance of the Articles in the Chapters of the Code, I show that in many cases the current structure of the Code is found to correspond quite well to the concepts presented therein. The most important conflict is found on the provisions related to the various groups of names governed by the Code: family-, genus-, and species-group names. Currently, these provisions are spread out in different Articles in different Chapters, along the entire length of the Code. The modularity analysis suggests that re-organizing the Code in chapters that will deal with all aspects related to a given group (e.g., chapters including information on name formation, availability, typification, and validity for a given group), could potentially improve reader experience and, consequently, the applicability of the Code.

Abstract Leading zoologist and taxonomist Ernest Marcus (1893-1968) and his school described numerous new invertebrate taxa, including planarians, or triclads (Platyhelminthes). These authors rarely provided the etymology of names for the new taxa. In this paper, the etymology of 149 names of genera and specific epithets of planarians lacking etymology (or honoring people) is investigated. The etymology of most names was retrieved from original descriptive papers and from Eudóxia Maria Froehlich’s recollections, a fellow of Marcus’ school. It was discovered that the names were usually freely derived from words of the language spoken in the country where the species was found. Some names were motivated by an aspect of the biology of the species. Other names honored people or are arbitrary. The etymology of 19 names could not be retrieved and are only suggested. The origin of another 19 names could not be discovered, nor even their meaning. Knowing the etymology makes it easier to memorize a name and it is a way to preserve the historical and emotional aspects of the authors. Through the retrieved etymologies, the personality of Marcus can also be glimpsed.

Background. In a recent work I transformed a complex and integrated text like the International Code of Zoological Nomenclature into a network of interconnected parts of text. This new approach allowed understanding that a continuous body of text cannot accurately reflect the true structure of the Code, and provided a scientific methodology to identify a priori parts that could be affected by future revisions. In this next step, I investigate further the structure of the Code, seeking to use the network in order to identify the various conceptual communities grouping the various articles and other text items of the Code. Methods. Using the first version of the network of the Code, I perform a comprehensive modularity analysis in two rounds: the first round aims to identify the fewest and largest communities or modules for the entire network, whereas the second round identifies the sub-modules within each larger module. The potential conflicts between the current structure of the Code and the module composition are evaluated with a parcellation analysis. Results. The optimal modularity search identified 10 different modules in the entire network of varying size (ranging from 75 to 200 nodes). Each module can be further divided into smaller modules, that all-together allow describing the 65 conceptual groups of text items in the Code. Parcellation analysis revealed that two-thirds of the current chapters of the Code are in excellent or good accordance with the recovered conceptual modules, whereas the current composition of six chapters is in serious conflict with the conceptual structure of the Code. Discussion. Judging only the composition and not the order of appearance of the Articles in the Chapters of the Code, I show that in many cases the current structure of the Code is found to correspond quite well to the concepts presented therein. The most important conflict is found on the provisions related to the various groups of names governed by the Code: family-, genus-, and species-group names. Currently, these provisions are spread out in different Articles in different Chapters, along the entire length of the Code. The modularity analysis suggests that re-organizing the Code in chapters that will deal with all aspects related to a given group (e.g., chapters including information on name formation, availability, typification, and validity for a given group), could potentially improve reader experience and, consequently, the applicability of the Code. [ABSTRACT FROM AUTHOR]

ABSTRACT Historical information on the probable type-locality of Pimelodus quelen and of its four junior synonyms that share the same neotype, Pimelodus namdia, Pimelodus sebae, Heterobranchus sextentaculatus, and Silurus rivularis, is presented and discussed. The neotype designation for those four species is deemed invalid for not complying with the provisions of the International Code of Zoological Nomenclature, making it technically possible to revalidate any of the four taxa from the synonymy of Rhamdia quelen without having to address the International Commission of Zoological Nomenclature. The type-locality of both Curimata gilbert and Callichthys asper are also restricted to rio Macacu at the village of Japuíba, State of Rio de Janeiro, Brazil.

Abstract This paper provides a catalogue of the type specimens of Rangomaramidae (Diptera: Bibionomorpha) held in the collection of the Museu de Zoologia da Universidade de São Paulo, Brazil (MZUSP). Label data and the condition of 26 type-specimens (three holotypes and 23 paratypes) of four Neotropical species are provided.

Reitter described two genus-rank taxa within the tenebrionid tribe Helopini (Tenebrionidae) in the same work: Euryhelops Reitter, 1902 (type species Helops tiro Reitter, 1902) as a subgenus of the genus Helops Fabricius, 1775 and Euryhelops Reitter, 1902 as a separate genus (type species Helops championi Reitter, 1891 = Helops subaeneus Reitter, 1889). He eliminated this homonymy in the same 1902 but in a different paper and proposed the generic name Zophohelops Reitter, 1902 (Helopini) for the first taxon. The second taxon Euryhelops was erroneously placed as a junior synonym to the subgenus Cardiobioramix Kaszab, 1940 (type species Bioramix asidioides Bates, 1879) in the genus Bioramix Bates, 1879 (Platyscelidini). Both type species of Euryhelops and Cardiobioramix are consubgeneric, therefore we reinstate the priority of the name Euryhelops as a subgenus within the genus Bioramix and propose the following synonymy: Euryhelops Reitter, 1902, subgen. resurr. = = Cardiobioramix Kaszab, 1940, syn. n.

Abstract The Museu de Zoologia da Universidade de São Paulo (MZUSP), São Paulo, Brazil houses the largest and most representative Brazilian collection of Diptera. In the present study, following a recommendation of the International Code of Zoological Nomenclature, it is presented a catalogue of the type specimens of Diadocidiidae and Ditomyiidae (Diptera: Bibionomorpha) held in the collection of the MZUSP. Label data and the condition of preservation of 27 type specimens (nine holotypes, two paralectotypes, and 16 paratypes) of 14 Neotropical species are provided.

Background In order to designate the various concepts of taxa in biology, evolution and paleontology, scientists have developed various rules on how to create unique names for taxa. Different Codes of Nomenclature have been developed for animals, plants, fungi, bacteria etc., with standard sets of Rules that govern the formation, publication and application of the nomina of extant and extinct species. These Codes are the result of decades of discussions, workshops, publications and revisions. The structure and complexity of these Codes have been criticized many times by zoologists. This project aims, using the International Code of Zoological Nomenclature as a case study, to show that the structure of these Codes is better reflected and understood as networks. Methods The majority of the text of the Code has been divided into hundreds of Nodes of different types, connected to each other with different types of Edges to form a network. The various mathematical descriptors of the entire system, as well as for the elements of the network, have been conceptually framed to help describing and understanding the Code as a network. Results The network of the Code comprises 1,379 Nodes, which are connected with 11,276 Edges. The structure of the Code can be accurately described as a network, a mathematical structure that is better suited than any kind of linear text publication to reflect its structure. Discussion Thinking of the Code as a network allows a better, in-depth understanding of the Code itself, as the user can navigate in a more efficient way, as well as to depict and analyze all the implied connections between the various parts of the Code that are not visible immediately. The network of the Code is an open access tool that could also help teaching, using and disseminating the Code. More importantly, this network is a powerful tool that allows identifying a priori the parts of the Code that could be potentially affected by upcoming amendment and revisions. This kind of analysis is not limited to nomenclature, as it could be applied to other fields that use complex textbooks with long editing history, such as Law, Medicine and Linguistics.

Abstract Type material of 11 species from seven genera of Cercopoidea is housed at the Entomology Division of the Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata. The types listed herein correspond to species described by C. Berg (10 spp.) and Lallemand (1 sp.). The collection contains 24 type specimens. Lectotype and paralectotypes of Deois (Deois) knoblauchii (Berg), Kanaima katzensteinii (Berg), Mahanarva (Ipiranga) aguirrei (Berg), Tomaspis argentina Berg [= Deois terrea (Germar)], T. perezii Berg [= Deois terrea (Germar)] and T. platensis Berg are designated. Comparison of their original descriptions with the label information supports the existence of 2 holotypes, 6 lectotypes, 10 paralectotypes and 6 syntypes. The following information is given for each species: original species names, taxonomic catalogue, bibliographic references, type category, number of specimens, gender, Museo de La Plata code numbers, and transcription of data from labels (country, province, locality, date of collection, collector’s name, and hosts). Information about subsequent nomenclatural changes with corresponding references, the state of preservation of the specimens in each series and pictures of each species are also provided.