Zoologischer Anzeiger最新文献

{"title":"Taxonomy, distribution and phylogeny of Genus Goniurellia Hendel with description of two new species from India","authors":"Nikhil Khemrajji Hatwar ,&nbsp;Karamankodu Jacob David ,&nbsp;Elizabeth Morgulis ,&nbsp;Mahadevan Raghuraman ,&nbsp;Ramasamy Gandhi Gracy ,&nbsp;Narayana Srinivasa","doi":"10.1016/j.jcz.2026.02.013","DOIUrl":"10.1016/j.jcz.2026.02.013","url":null,"abstract":"<div><div>Two new species of <em>Goniurellia</em> Hendel are described and illustrated from India viz., <em>Goniurellia gibba</em> David &amp; Nikhil, <strong>sp. nov.</strong> and <em>Goniurellia minuta</em> Nikhil &amp; David, <strong>sp. nov.</strong> In addition to the descriptions, diagnoses and distribution of all the species of <em>Goniurellia</em> based on the examination of type images and original descriptions are provided. Phylogenetic analysis using morphological characters confirms the monophyly of <em>Goniurellia</em> with supporting synapomorphy. <em>G. omissa</em> Freidberg is synonymized with <em>G. munroi</em> Freidberg. Nucleotide sequences of mt-COI and 28s rRNA gene for <em>G. minuta</em> Nikhil &amp; David, <strong>sp. nov.</strong> were generated and submitted. An illustrated identification key to all known species of the genus is included.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"322 ","pages":"Pages 286-306"},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147802669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Homotypic assortative mating is consistent across temporal scales in the spider Mecynogea lemniscata (Araneidae)","authors":"Rafael Rios Moura ,&nbsp;Gabriel Máximo Xavier ,&nbsp;Vítor Campos de Castro ,&nbsp;William Dias Silva ,&nbsp;Alisson Montanheiro Valentim ,&nbsp;Marcelo Oliveira Gonzaga","doi":"10.1016/j.jcz.2026.04.009","DOIUrl":"10.1016/j.jcz.2026.04.009","url":null,"abstract":"<div><div>Identifying patterns of size-assortative mating (SAM) indicates the direction of genetic changes in a population. A reliable method for estimating it in a population is to measure mate assortments within and between breeding seasons¸ as well as describing size variation of males and females between temporal scales to avoid Simpson's paradox. We assessed sexual size dimorphism, the effects of ontogeny, size differences within each sex, the consistency of SAM within and between seasons, and male mate choice in the spider <em>Mecynogea lemniscata</em>. We collected mating pairs in a <em>Eucalyptus</em> plantation across two breeding seasons and in four periods of the second season. We measured body mass and carapace width of spiders. Males matured earlier than females and guarded subadult partners. Although adults were larger and heavier than subadults, ontogeny did not affect SAM. Females were generally heavier than males in the second season but not in first, but mate assortments were random based on body mass in both seasons. Females showed a smaller carapace width in the first season and a larger one than males in the second season. Despite varying size differences between seasons, SAM remained homotypic based on carapace width across seasons and within the second season. Hence, homotypic SAM was consistent across different temporal scales. Male mate choice was not affected by female size. Unlike other species, temporal variation in the size of <em>M. lemniscata</em> spiders did not disrupt SAM, indicating that a consistent SAM can influence evolutionary changes in body size in this population.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"322 ","pages":"Pages 277-285"},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147802670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Benthic cephalopods (Mollusca) from the Austral Southwest Atlantic","authors":"Lucia A. Bonavita ,&nbsp;Diego G. Zelaya ,&nbsp;Marina Güller","doi":"10.1016/j.jcz.2026.04.001","DOIUrl":"10.1016/j.jcz.2026.04.001","url":null,"abstract":"<div><div>This contribution provides the first comprehensive study of two species of bobtail squids and nine octopods from the Austral Southwest Atlantic, including the description of a new species: <strong><em>“Muusoctopus” namuncurensis</em> n. sp.</strong> Colour patterns and mantle textures of living specimens prove to be useful characters for distinguishing the studied species. A male of <em>Neorossia jeannae</em> and the ontogenetic variability of <em>“Muusoctopus” longibrachus akambei</em> are described for the first time<em>.</em> The intraspecific radular variability of <em>Enteroctopus megalocyathus</em> and <em>Graneledone macrotyla</em> is clarified. Previous mistakes concerning the type material of <em>Octopus patagonicus</em> (lectotype designated herein)<em>, Benthoctopus magellanicus</em> and <em>Thaumeledone brevis</em> are clarified. <em>G. macrotyla</em> is synonymized with <em>Graneledone yamana</em>, <em>N. jeannae</em> is elevated to full species and <em>Semirossia patagonica</em> is confirmed as valid. Known distributional ranges are extended for <em>E. megalocyathus,</em> “<em>Muusoctopus” eureka</em>, <em>“Muusoctopus” longibrachus akambei, G. macrotyla</em> and <em>S. patagonica</em>, and the deepest record of <em>N. jeannae</em> is reported (785 m). Egg capsules of <em>G. macrotyla</em> are described.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"322 ","pages":"Pages 233-260"},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147802667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing knowledge of species diversity in the genus Paratylenchus (Nematoda: Tylenchulidae): three new pin nematode species and additional insights into a known species from Florida, USA","authors":"Sergio Álvarez-Ortega ,&nbsp;Sergei A. Subbotin ,&nbsp;Amy Michaud ,&nbsp;Jason D. Stanley ,&nbsp;Renato N. Inserra","doi":"10.1016/j.jcz.2026.04.007","DOIUrl":"10.1016/j.jcz.2026.04.007","url":null,"abstract":"<div><div>This study expands knowledge on diversity of pin nematodes, <em>Paratylenchus</em> spp. in Florida, USA, by providing integrative descriptions of three new species: <em>Paratylenchus gladensis</em> sp. n., <em>Paratylenchus hodgesi</em> sp. n., and <em>Paratylenchus syngonii</em> sp. n. The new taxa were recovered from natural and agricultural ecosystems, including commercial operations for the production of ornamental plants to be exported to national and international markets. Morphological and morphometric analyses were combined with molecular data from the D2-D3 expansion segments of the 28S rRNA, ITS rRNA, and mitochondrial <em>COI</em> genes to delimit species and infer phylogenetic placement. Comparative diagnoses demonstrated clear distinctions from closely related species, while also highlighting intrapopulation variability in <em>Paratylenchus hawaiiensis</em>, which shows lip region polymorphism. This characteristic was confirmed by the results of molecular analyses using DNA sequences of a polymorphic population of this species. These findings underscore both the high diversity and the taxonomic complexity of <em>Paratylenchus</em> in Florida and emphasize the value of integrative approaches for resolving species boundaries within this challenging genus.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"322 ","pages":"Pages 261-276"},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147802671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A systematic study of the genus Sumpigaster Macquart from China (Diptera, Tachinidae)","authors":"Xingyan Zhang,&nbsp;Junjian Li,&nbsp;Chuntian Zhang","doi":"10.1016/j.jcz.2026.04.008","DOIUrl":"10.1016/j.jcz.2026.04.008","url":null,"abstract":"<div><div><em>Sumpigaster</em> Macquart is an Old World genus of 11 described species belonging to the tribe Minthoini of the Tachininae (Diptera: Tachinidae). The Chinese species of <em>Sumpigaster</em> are revised: two described species are recognized, <em>Sumpigaster subcompressa</em> (Walker) and <em>S. sumatrensis</em> Townsend, and four species are described as new: <em>Sumpigaster bivittata</em>, <em>Sumpigaster guangxiensis</em>, <em>Sumpigaster pallidihirta</em> and <em>Sumpigaster wuyishan. Sumpigaster longiventris</em> Zhang &amp; Zhang is proposed as a new name (<em>nomen novum</em>) to replace <em>Stenodexiopsis sumatrensis</em> Townsend, 1926.The first instar larvae of <em>S</em>. <em>subcompressa</em> (Walker) and <em>S. sumatrensis</em> Townsend are reported for the first time. A key is provided to the eleven species of <em>Sumpigaster</em> known from Asia and Australia. Figures of adult males and females, first instar larvae of two known species and male terminalia are given as well as a distribution map of the five Chinese species of <em>Sumpigaster</em>. The specimens examined during this study are kept in the Insect Collection of Shenyang Normal University, China.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"322 ","pages":"Pages 307-324"},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147802668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology and sexual dimorphism of antennal sensilla in longhorn beetle Moechotypa diphysis (Pascoe, 1871) (Coleoptera: Cerambycidae: Lamiinae)","authors":"Xin Tong ,&nbsp;Wen-Jing Wu ,&nbsp;Shu-Yue Liu ,&nbsp;Lei Wang","doi":"10.1016/j.jcz.2026.01.011","DOIUrl":"10.1016/j.jcz.2026.01.011","url":null,"abstract":"<div><div>Antennae are essential sensory organs of insects, and their sensory functions are realized by various sensilla. Numerous studies have highlighted notable the interspecific and intraspecific variations in the antennal sensilla among insects. However, given the vast diversity of insect species, there is less research interest in terms of the morphology and sexual dimorphism of their antennal sensilla. In this study, the morphology and distribution of antennal sensilla of both sexes (male, female) of <em>Moechotypa diphysis</em> (Pascoe, 1871) (Cerambycidae: Lamiinae) were investigated using scanning electron microscopy. The results show that the ratio of antennal length to body length is considerably higher in males compared to females. Both sexes display the same types of sensilla, including sensilla chaetica (three subtypes), Böhm bristles, sensilla trichodea (two subtypes), and sensilla basiconica. Additionally, numerous cuticular pores are widely distributed on the antennal surface. Although the distribution of sensilla between males and females shows no major differences, sexual dimorphisms are observed in the size and number of certain sensillum types. In terms of quantity, males have significantly more sensilla chaetica and sensilla basiconica than females. For size, sensilla chaetica, Böhm bristles, and sensilla basiconica tend to be slightly larger in males compared to those of the female, although these differences are not always statistically discernible. The differences in sensilla size and quantity between the two sexes may reflect the intraspecific differences in the chemical and mechanical sensing mechanisms. Our findings may provide foundational data for future research into the sensory physiological functions of specific sensilla types in longhorn beetles.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"321 ","pages":"Pages 238-247"},"PeriodicalIF":1.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146078280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Genus Hemicytherura (Crustacea, Ostracoda) in Korea with description of a new species and the first insight into its molecular phylogeny","authors":"Hyunsu Yoo ,&nbsp;Anna B. Jöst ,&nbsp;Huyen Thi Minh Pham ,&nbsp;Jingyu Du ,&nbsp;Ivana Karanovic","doi":"10.1016/j.jcz.2026.01.013","DOIUrl":"10.1016/j.jcz.2026.01.013","url":null,"abstract":"<div><div>Hemicytherura Elofson, 1941 contains over 100 species globally, described mostly from fossil and subfossil assemblages. They are minute, mostly phytal ostracods, with an intricate pattern of fossae and muri on the surface of the shell. This pattern has been used to define four species groups in the genus, but only 10 living species from Japan and Taiwan have been classified using this labelling. Eight species have been reported so far from Korea, albeit mostly briefly. Here we study six species, collected from eight littoral localities on the South Korean mainland and Jeju Island: <em>Hemicytherura cuneata</em> Hanai, 1957; <em>Hemicytherura japonica</em> Kaseda &amp; ikeya, 2011; <em>Hemicytherura kajiyamai</em> Hanai, 1957; <em>Hemicytherura occidens</em> n. sp., <em>Hemicytherura okuboi</em> Kaseda &amp; ikeya, 2011; and <em>H.</em> sp. The new species is proposed based on morphological and genetic differences in partial ITS and CO1 regions; these two genes were also used to test the phylogenetic basis of the existing species groups. Morphologically, <em>H. occidens</em> is very similar to <em>Hemicytherura huangi</em> Kaseda &amp; ikeya, 2011, <em>Hemicytherura notoensis</em> Kaseda &amp; ikeya, 2011, and <em>H. okuboi</em>, but differs from all three in the appearance of the outer clasping apparatus on the hemipenis. Phylogenetic tree resulting from the analysis of the ITS region (but not CO1) supports a close relationship of the new species with <em>H. kajiyamai</em> and <em>H. okuboi</em> (both members of the <em>kajiyamai-</em>group) with high posterior probabilities. The other three Korean species studied belong to the <em>cuneata</em>-group. The existing four groups are used to classify another 25 <em>Hemicytherura</em> species, and two new groups (<em>anomala</em> and <em>clathrata</em>) are proposed for further 18 species. Our new groups are also based on the surface ornamentation of the shell, but without using fossae and muri labelling.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"321 ","pages":"Pages 359-370"},"PeriodicalIF":1.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146173456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Resolving the taxonomic status of Eulimnadia cylindrova sensu lato (Branchiopoda: Spinicaudata) and its cryptic species based on morphological and molecular data","authors":"Xiaoyan Sun,&nbsp;Jinhui Cheng","doi":"10.1016/j.jcz.2026.01.009","DOIUrl":"10.1016/j.jcz.2026.01.009","url":null,"abstract":"<div><div>The species-level taxonomy of <em>Eulimnadia</em> has been a subject of concern because of the plasticity observed in adult morphological characters, which often results in low taxonomic resolution. In the past three decades, conservative egg morphology has become the most reliable taxonomic characteristic, especially for the identification of sibling species. To resolve these taxonomic uncertainties and clarify phylogenetic relationships within <em>Eulimnadia cylindrova</em> sensu lato, we integrated morphological analyses (adult soft-body anatomy and egg shell morphology via scanning electron microscopy) and molecular data (four gene markers: nuclear 28S <em>rRNA</em>, mitochondrial 12S <em>rRNA</em>, <em>cytb</em>, and <em>cox1</em>). Species delimitation was performed using distance-based (ABGD) and tree-based (bPTP) methods, combined with maximum likelihood (ML) and Bayesian inference (BI) phylogenetic reconstructions. Our results confirmed the validity of <em>Eulimnadia taoluoensis</em>: it is morphologically distinct from <em>Eulimnadia braueriana</em> and <em>Eulimnadia indocylindrova</em>; notably, it forms an independent clade from <em>E. braueriana</em> in phylogenetic trees, with substantial <em>cox1</em> (22.34 %) and <em>cytb</em> (14.18–14.90 %) genetic divergences (rejecting prior synonymy hypotheses). Molecular phylogenetic analyses and phylogenetic signal dissection strongly supported that <em>E. cylindrova</em> sensu lato was non-monophyletic and that at least four distinct clades within <em>E. cylindrova</em> sensu lato have been revealed. Notably, <em>E. taoluoensis</em> is nested within the Mexican population of <em>E. cylindrova</em> sensu lato with low <em>cytb</em> genetic divergence (0.55–1.05 %), representing preliminary molecular evidence suggesting potential conspecificity. Future studies incorporating comprehensive morphological comparisons and multi-locus genetic data will be critical to validate the taxonomic status of these closely related lineages. Our findings provided the first molecular data for <em>E. taoluoensis</em> and demonstrated its species validity and the systematic position of <em>E. cylindrova</em> sensu lato. This study demonstrated the utility of integrative taxonomy in resolving taxonomic controversies in groups with morphological plasticity and offered critical insights for species delimination of <em>Eulimnadia</em>.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"321 ","pages":"Pages 222-237"},"PeriodicalIF":1.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146023608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The return of Lernaeodiscidae? Morphology of Lernaeodiscus rybakovi points to a distinct clade","authors":"Anastasia D. Lianguzova ,&nbsp;Natalia A. Arbuzova ,&nbsp;Nikita E. Lapshin ,&nbsp;Ekaterina R. Petrova ,&nbsp;Aleksei A. Miroliubov","doi":"10.1016/j.jcz.2026.01.005","DOIUrl":"10.1016/j.jcz.2026.01.005","url":null,"abstract":"<div><div>Adult parasitic barnacles significantly differ from their free-living relatives. This leads to uncertainty in the phylogenetic interrelationships even at the family-level, particularly for the former Lernaeodiscidae. This family was abolished based on molecular data, however, the morphological description for lernaeodiscids remains incomplete. Here we describe a morphology of <em>Lernaeodiscus rybakovi</em> parasitizing the porcelain crab <em>Pachycheles stevensii</em>, using a variety of methods. The externa's lacunar and muscular systems are “Kentrogonida”-type in general, but exhibit notable deviations, including an atypical mantle opening formed partly by the visceral mass and a distinct dorso-ventral bridge. The interna displays a previously undescribed organization: a prominent main trunk giving rise to flattened primary branches and tubular secondary rootlets. Muscular fibers are absent in the interna; only sparse actin filaments are present, suggesting alternative mechanisms of nutrient transport. Two invasive rootlet types—goblet-shaped organs and neuropil rootlets—interact with host nervous tissue, and their ultrastructure differs from that of other rhizocephalan families. Additionally, we describe an aberrant trophic rootlet filled with concentric extracellular matrix layers, likely reflecting localised misregulation of cuticle production. Our findings, together with molecular evidence, suggest that <em>Lernaeodiscus</em> may represent an independent lineage, warranting exclusion from Peltogastridae and possibly reinstatement of Lernaeodiscidae. Broader sampling and multigene phylogeny are needed to clarify its rank and composition.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"321 ","pages":"Pages 198-212"},"PeriodicalIF":1.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145977965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A revision of the Chinese species of Merodontina Enderlein, 1914 (Diptera, Asilidae, Ommatiini), with notes on the generic relationship to Pseudomerodontina Joseph and Parui, 1976","authors":"Hongna Guo ,&nbsp;Wenliang Li ,&nbsp;Xuankun Li","doi":"10.1016/j.jcz.2025.12.008","DOIUrl":"10.1016/j.jcz.2025.12.008","url":null,"abstract":"<div><div>Five species of <em>Merodontina</em> have been recorded from China to date: <em>M. jianfenglingensis</em> Hua, <em>M. nigripes</em> Shi, <em>M. obliquata</em> Shi, <em>M. rectidensa</em> Shi, and <em>M. rufirostra</em> Shi. Since first described between 1987 and 1991, these species have not been redescribed or reported. Although 16 species were described in <em>Merodontina</em>, no molecular data have been available for this genus. We examined type specimens of all five previously described species from China, provided high-resolution images and redescriptions. We synonymized <em>M. rufirostra</em> Shi under <em>M. rectidensa</em> Shi, <em>M. bellicosa</em> Scarbrough and Costantino and <em>M. silvatica</em> Haupt and Azuma under <em>M. obliquata</em> Shi, and <em>M. vietnamensis</em> Tomasovic and Bartolozzi under <em>M. jianfenglingensis</em> Hua. The previously proposed name <em>M. abligueodentia</em> Shi, 1992 is formalized as a <em>nomen nudum</em> under <em>M. obliquata</em> Shi. We obtained DNA barcodes from multiple populations of <em>M. jianfenglingensis</em> and the widely distributed <em>M. obliquata</em>. Genetic analyses revealed distinct barcoding gaps, with interspecific distance of 15.7 %–16.8 % versus intraspecific distance of 0 %–2.6 %. An updated key to males of the Chinese species of <em>Merodontina</em> and a revised world catalogue are provided.</div></div>","PeriodicalId":49332,"journal":{"name":"Zoologischer Anzeiger","volume":"321 ","pages":"Pages 62-84"},"PeriodicalIF":1.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}