Austral Entomology最新文献

{"title":"New Genus and Species of Exocarpocorina (Heteroptera: Miridae) Found on Malvaceae From the Cape Range of Western Australia","authors":"Katrina L. Menard,&nbsp;Nikolai Tatarnic","doi":"10.1111/aen.70093","DOIUrl":"https://doi.org/10.1111/aen.70093","url":null,"abstract":"<div>\u0000 \u0000 <p>A new genus and species of Exocarpocorina (Phylinae: Semiini) are described from Western Australia on Malvaceae. The combination of its unique head structure, extremely long labium, and shape of the male endosoma makes <i>Schnozimiris maculosus</i> <b>gen. et sp. nov.</b> unlike other described species of Australian Phylinae.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148784121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing Field-Acquired Infection of Euschistus heros (Hemiptera, Pentatomidae) Populations by Targeting Early Immature Stages With Metarhizium anisopliae","authors":"Caio Augusto Rosado Torres,&nbsp;Giancarlo Catafesta,&nbsp;Marcos Faria,&nbsp;Rogerio Biaggioni Lopes","doi":"10.1111/aen.70106","DOIUrl":"https://doi.org/10.1111/aen.70106","url":null,"abstract":"<div>\u0000 \u0000 <p>The Neotropical brown stink bug <i>Euschistus heros</i> is one of the major pests in soybean. In this study, we aimed to evaluate the susceptibility of second- and fifth-instar <i>E. heros</i> nymphs to a virulent <i>M. anisopliae</i> strain, under both laboratory and field conditions. In the laboratory, concentrations ≥ 2.5 × 10⁷ conidia/mL drastically reduced the survival of second-instar nymphs and resulted in mycosis of nearly 80%. Fungal treatment had a severe impact on the pest's population dynamics. Although the control group showed a population growth potential of up to 65-fold per generation, the application of <i>M. anisopliae</i> (≥ 1.6 × 10⁶ conidia/mL) restricted this increase to less than tenfold. In field, insects exposed to the fungus were recovered 48 h after spraying and maintained in laboratory until mortality was recorded. Field experiments showed that the fungus's efficacy was dose-dependent. Doses between 1–2 × 10¹² conidia/ha resulted in 55%–60% mortality, whereas a dose of 5 × 10¹² conidia/ha yielded 85% mortality. In contrast, higher doses (≥ 8 × 10¹² conidia/ha) provided only a slight increment in efficacy, with total mortality of second-instar nymphs reaching up to 89% at 8 days post-spraying. Furthermore, notably less promising results were obtained for fifth-instar nymphs in both laboratory and field trials. Mortality of fifth-instar nymphs at doses ranging from 5 × 10¹² to 8 × 10¹² conidia/ha was only 17%–50% in field. The results presented here suggest that control strategies for <i>E. heros</i> using entomopathogenic fungi should target early-instar nymphs and utilize doses not lower than 5 × 10¹² conidia/ha for the <i>M. anisopliae</i> strain evaluated in this study.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148784120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Revision of the Elusive Harvestmen Genus Discocyrtulus Roewer, 1927 (Opiliones: Laniatores: Gonyleptidae): Investigating the Presumed Northeastern Brazilian Discocyrtus-Like Relatives","authors":"Rafael N. de Carvalho,&nbsp;Nícolas E. de V. Saraiva,&nbsp;Marcos R. Hara,&nbsp;Márcio B. DaSilva","doi":"10.1111/aen.70090","DOIUrl":"https://doi.org/10.1111/aen.70090","url":null,"abstract":"<p>A maximum parsimony analysis based on morphological characters (23 taxa; 98 characters; 1951 scorings) was conducted to test the monophyly of <i>Discocyrtulus</i> Roewer, 1927, and to assess its phylogenetic relationships within Gonyleptidae. The results recover the species currently assigned to <i>Discocyrtulus</i> as phylogenetically distant from Pachylinae <i>sensu stricto</i> and nested instead within <i>Discocyrtus sensu stricto</i>+, forming a clade together with <i>Discocyrtus moraesianus</i> Mello-Leitão, 1923. Accordingly, <i>Discocyrtulus</i> is removed from Pachylinae Sørensen, 1884, and left without subfamilial assignment. As a result, <i>Discocyrtulus</i> now comprises <i>Discocyrtulus crenulatus</i> (Roewer, 1913) <b>comb. nov.</b>, <i>Discocyrtulus marginalis</i> Roewer, 1929, and <i>Discocyrtulus moraesianus</i> (Mello-Leitão, 1923) <b>comb. nov.</b> Based on the examination of type material, the following species-level synonymies are proposed: <i>Heteropucrolia nigrosulcata</i> Mello-Leitão, 1932 <b>syn. nov.</b>, and <i>Discocyrtulus bresslaui</i> Roewer, 1927 <b>syn. nov.</b> (type species of <i>Discocyrtulus</i>) of <i>Discocyrtus crenulatus</i> Roewer, 1913; <i>Discocyrtus melanacanthus</i> Mello-Leitão, 1932 <b>syn. nov.</b> of <i>Discocyrtulus marginalis</i> Roewer, 1929; and <i>Discocyrtus coxalis</i> Roewer, 1929 <b>syn. nov.</b> of <i>Discocyrtus moraesianus</i> Mello-Leitão, 1923. The genus <i>Heteropucrolia</i> Mello-Leitão, 1932 is removed from the synonymy of <i>Discocyrtus</i> and transferred to <i>Discocyrtulus</i>. We also designate herein lectotypes of <i>D. bresslaui</i> and <i>D. marginalis</i>. Issues concerning the type localities of <i>Discocyrtulus marginalis</i> and <i>Heteropucrolia nigrosulcata</i> are also addressed, challenging previous records of <i>Discocyrtulus</i> from north-eastern Brazil and clarifying historical misinterpretations of species distributions.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70090","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148753079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial Light at Night Does Not Elicit Transgenerational Effects in the Pacific Field Cricket, Teleogryllus oceanicus","authors":"Nicola-Anne J. Rutkowski,&nbsp;Nathan H. Vu,&nbsp;Theresa M. Jones,&nbsp;Kathryn B. McNamara","doi":"10.1111/aen.70105","DOIUrl":"https://doi.org/10.1111/aen.70105","url":null,"abstract":"<p>Artificial light at night (ALAN) is a pervasive anthropogenetic pollutant and a powerful chronodisruptor, as it can mask environmental light cues and negatively influence circadian and seasonal biological processes. Within-generation negative effects of ALAN have been recorded across a broad range of species. However, few studies have explored the transgenerational impacts of ALAN exposure, and thus, the effect of parental exposure on offspring fitness is poorly understood. Here, we investigated the effect of within-generation and transgenerational ALAN exposure on key life history traits in the Pacific field cricket, <i>Teleogryllus oceanicus</i>. We exposed parental crickets to either ALAN (10 lx) or dark-at-night (0 lx) conditions and then mated them to a partner previously exposed to either the same or opposite lighting treatment, resulting in four parental treatments. Offspring were then reared under either ALAN or dark-at-night conditions. We found no evidence of ALAN-related transgenerational fitness effects in the offspring: Body weight, reproductive effort and immune function were comparable regardless of parental treatment. However, consistent with previous work, we found within-generation effects of ALAN exposure: ALAN-exposed male and female offspring had lower body mass compared with those reared in darkness. Why ALAN failed to elicit a transgenerational effect is unclear but may reflect the mechanistic basis of ALAN as a chronodisruptor that does not induce heritable changes, the moderate oxidative stress it induces, the limited duration of parental exposure we applied, or the benign rearing conditions under which offspring faced no physiological constraints. Future research into these areas is critical, as ALAN continues to increase globally.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70105","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diversity of Mites Associated With Stingless Bees (Hymenoptera: Meliponini) in Forest Fragments in Brazil: Empirical Validation of an Efficient and Low-Cost Sampling Method","authors":"Éricles Charles da Silva Melo,&nbsp;Milena Emily da Silva Lima,&nbsp;Vinícius Borges da Silva,&nbsp;Airton Torres Carvalho,&nbsp;Simão Dias Vasconcelos","doi":"10.1111/aen.70104","DOIUrl":"https://doi.org/10.1111/aen.70104","url":null,"abstract":"<p>Despite the importance of understanding mite–bee interactions, standardized and noninvasive methods for sampling mite communities in stingless bee hives remain limited. This study aimed to evaluate a novel, low-cost sampling technique using a custom-built suction device, the Portable Mite Aspirator (PMA), for collecting mites from hives of three stingless bee species that were evaluated as healthy: <i>Melipona scutellaris</i>, <i>Melipona subnitida</i> and <i>Scaptotrigona depilis</i>. The research was conducted across two ecosystems, tropical rainforest and dry forest, in northeastern Brazil. The PMA was equipped with fine mesh filters and a flexible, narrow nozzle to minimize disturbance to host hives and optimize mite capture. Samples were collected from 14 hives between August 2023 and March 2024 using a standardized aspiration procedure targeting structural surfaces within the hives. In total, 7653 mites were collected, representing nine families: Diplogyniidae, Laelapidae, Macrochelidae, Eviphididae, Melicharidae, Gaudiellidae, Suidasiidae, Galumnellidae, Tydeidae and Iolinidae. Bisternalis sp. (Laelapidae) was by far the most abundant taxon, accounting for 74.8% of the specimens. The rainforest showed the highest abundance and diversity (6274 specimens), predominantly <i>Bisternalis</i> (Mesostigmata: Laelapidae). In contrast, hives located in the dry forest presented 1379 mites, from just two astigmatan genera associated with <i>S. depilis</i> and <i>M. subnitida</i>. The PMA proved to be an efficient, cost-effective tool (material cost &lt; $100 USD) for sampling mite communities in managed stingless bee hives. Its adaptability to different hive structures and its noninvasive nature make it a valuable methodology for ecological and taxonomic studies, with potential applications for a wide range of taxa and habitats.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148752905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Architecture of Burrows and Ecological Aspects of Thronistes rouxi (Coleoptera: Scarabaeidae): A Potential Bioindicator for Coastal Dune Conservation","authors":"Ana Belén Aguilar-Sosa,&nbsp;Andrea Albín,&nbsp;Patricia González-Vainer","doi":"10.1111/aen.70098","DOIUrl":"https://doi.org/10.1111/aen.70098","url":null,"abstract":"<div>\u0000 \u0000 <p><i>Thronistes rouxi</i> is a subterranean beetle species strictly associated with coastal dune ecosystems, which face increasing threats from urbanization and coastal erosion. The objectives of this study were as follows: (1) to characterize the morphology and dimensions of burrows in situ and analyse the relationship between their dimensions and adult body size on two beaches of the Río de la Plata, (2) to determine the influence of sand grain size on the dimensions of <i>T. rouxi</i> burrows on both beaches, (3) to evaluate whether both sexes construct burrows and (4) to analyse the temporal variation in burrow density and determine the spatial distribution patterns within a population. Field surveys for burrow characterization were conducted during the summer seasons of 2020–2021 at Lagomar and Araminda beaches (Canelones, Uruguay) using beeswax casts. To determine which sex digs the tunnels, males and females were placed in individual laboratory terrariums. Temporal variation of burrow density was monitored weekly, from December 2021 to February 2022, at Araminda Beach. The spatial distribution pattern was analysed during the population peak using the dispersion index (DI) and Morisita's index (MI). The burrows exhibit a sinuous tubular structure with a single entrance, reaching up to 2 m in length and 0.9 m in depth. Grain size differences between beaches did not influence gallery dimensions. Although length and depth were similar between sites, burrow width showed significant differences between beaches and was positively correlated with adult body size and pronotum width. The highest mean density and abundance were observed in early January (0.6 ind/m² ± 0.3; 61.2 ± 23.1), and the spatial distribution was significantly aggregated (DI = 1.30; MI = 1.49). In both laboratory and field observations, only males exhibited construction behaviour, often remaining motionless at the burrow entrance in a vertical position with extended forelegs. This behaviour is consistent with a potential role in mate attraction and/or guarding behaviour. These findings provide valuable information on the burrowing behaviour and ecology of <i>T. rouxi</i> and its potential use as a bioindicator for the conservation of coastal ecosystems.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148616845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Larval Morphology of the Australian Endemic Diving Beetle Genus Hyderodes Hope, 1838 (Coleoptera: Dytiscidae)","authors":"Mariano C. Michat,&nbsp;Konrad Dettner,&nbsp;Yves Alarie,&nbsp;Lars Hendrich,&nbsp;Chris H. S. Watts","doi":"10.1111/aen.70097","DOIUrl":"https://doi.org/10.1111/aen.70097","url":null,"abstract":"<div>\u0000 \u0000 <p>All larval instars of the two species that compose the Australian endemic diving beetle genus <i>Hyderodes</i> Hope, 1838, that is, <i>Hyderodes shuckardi</i> Hope, 1838 and <i>Hyderodes crassus</i> Sharp, 1882, are described and illustrated in detail including morphometric and chaetotaxic analyses. Within the subfamily Dytiscinae, the larvae of the tribe Dytiscini (i.e., <i>Hyderodes</i> + <i>Dytiscus</i> Linnaeus, 1758) are characterized by the presence of a row of natatory setae on external margin of urogomphus, the antennomere 1 subdivided into two articles in instars II–III, and the antennomeres 2 and 3 subdivided into two articles (although weakly in <i>Hyderodes</i>) in instar I. Various primary chaetotaxy features also characterize both the tribe Dytiscini and the genus <i>Hyderodes</i> within this subfamily Dytiscinae. Interestingly, several of the features considered here as characteristic of Dytiscini are shared with members of the subfamily Cybistrinae, suggesting a close phylogenetic relationship between these two groups. All instars of <i>Hyderodes</i> differ from those of <i>Dytiscus</i> in lacking a subdivision on the first maxillary palpomere, the presence of ventral spinulae on claws, and by an almost (instar I) or completely (instars II–III) sclerotized abdominal segment VII. A key is presented to separate these genera. Comments on the biology and distribution of the two <i>Hyderodes</i> species are provided.</p>\u0000 </div>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to “Systematics of the Genus Hyalinaria Bethune-Baker, 1910 (Lepidoptera: Psychidae) With Five New Species”","authors":"","doi":"10.1111/aen.70099","DOIUrl":"https://doi.org/10.1111/aen.70099","url":null,"abstract":"<p>\u0000 <span>Beaver, E. P.</span> <span>2026</span>. “ <span>Systematics of the Genus <i>Hyalinaria</i> Bethune-Baker, 1910 (Lepidoptera: Psychidae) With Five New Species</span>.” <i>Austral Entomology</i> <span>65</span>, no. <span>3</span>: e70083. https://doi.org/10.1111/aen.70083.\u0000 </p><p>The Abstract of that text reads “The use of both morphological information and genetic sequence data indicates that <i>Hyalinaria</i> and <i>Pseudoclania</i> Bethune- Baker, 1915 <b>sp. nov.</b>, are synonymous, with the latter genus here treated as a junior subjective synonym of the former”. The intended and original nomenclatural designation was “<b>syn. nov.</b>” prior to an editorial error.</p><p>We apologize for this error.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70099","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Baseline Checklist of Mosquito Species (Diptera: Culicidae) From Tasmania, Australia, and Implications for Public Health Arbovirus Surveillance and Biosecurity","authors":"Hollie J. Zimmermann,&nbsp;Iain S. Koolhof,&nbsp;Craig R. Williams,&nbsp;Cassie C. Jansen","doi":"10.1111/aen.70095","DOIUrl":"https://doi.org/10.1111/aen.70095","url":null,"abstract":"<p>Mosquitoes (Diptera: Culicidae) are of major public health importance due to their role as vectors of mosquito-borne pathogens and the impact of nuisance biting. Accurate geographical knowledge of mosquito fauna is the foundation of effective arbovirus surveillance and biosecurity. Tasmania has historically been considered low risk for mosquito-borne disease transmission. However, climate-driven range shifts and the 2022 emergence of Japanese encephalitis virus across southeastern Australia underscore the need for a mosquito species inventory. This study provides a baseline checklist of mosquito species reported from Tasmania to act as a reference for future programmes and research. The list compiles occurrence records from peer-reviewed literature, previously unpublished Tasmanian government surveillance, and publicly available data. We identified 51 species from seven genera in Tasmania and present them in a baseline checklist. This compilation and review of mosquito fauna from Tasmania improve public health preparedness for emerging mosquito-borne diseases and potential changes in mosquito distributions under human-induced climate change. This list will support public health and biosecurity decisions and actions, arbovirus surveillance, future metagenomic research and integrated pest management.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70095","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148467058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Survey of Eyeless Pseudosinella Schäffer, 1897 (Collembola: Entomobryidae) From Brazil Reveals a New Cave-Dwelling Species From Minas Gerais State","authors":"Nikolas G. Cipola,&nbsp;Maria F. Cordova-Hernandez,&nbsp;José W. de Morais,&nbsp;Stéphanie dos S. Viana","doi":"10.1111/aen.70088","DOIUrl":"https://doi.org/10.1111/aen.70088","url":null,"abstract":"<p>Herein, a new species of <i>Pseudosinella</i> is described from Minas Gerais State, Brazil. This was possible after reanalysing six species similar to the new species: <i>Pseudosinella alfanjeunguiculata</i> Bellini, Cipola &amp; Souza; <i>Pseudosinella aphelabiata</i> Bellini, Cipola &amp; Souza; <i>Pseudosinella diamantinensis</i> Bellini, Cipola &amp; Souza, 2020; <i>Pseudosinella marianensis</i> Bellini, Cipola &amp; Souza, 2020; <i>Pseudosinella spurimariana</i> Bellini, Cipola &amp; Souza, 2020; and <i>Pseudosinella pusilla</i> Oliveira, Brito &amp; Cipola, 2020. We provide a complementary diagnosis and illustrations for the congeners of new species. They mainly share the absence of pigments, eyes and apical bulb in fourth antenna segment, prelabral chaetae undivided, head macrochaetotaxy reduced, Th II–Abd IV with 0, 0|0, 1 and 0 central macrochaetae and unguiculus outer lamella acuminate (toothless). <i>Pseudosinella cruspinata</i> Cipola, Cordova-Hernandez &amp; Viana, <b>sp. nov.</b> differs from these species by labial proximal chaetae, prelabral and labral p series chaetae discreetly ciliate; labial fields with a1–5, m2, e, l1–2 discreetly ciliate and M1 ciliate, Abd IV with 3 central mac, unguiculus inner lamellae acuminate and outer incomplete. Still, two new characteristics for the genus are revealed for the first time: complete pattern of body pseudopores and spines distribution of legs. Currently, the state of Minas Gerais has 21 <i>Pseudosinella</i> species registered, and the Brazil has 28 species without eyes, of which 17 have the unguiculus outer lamella acuminate. We hope that the data provided here will be useful in strengthening public policies aimed at conserving Brazilian biodiversity, because the new species, as well as its congeners, are known from their type localities or few caves.</p>","PeriodicalId":8574,"journal":{"name":"Austral Entomology","volume":"65 3","pages":""},"PeriodicalIF":1.2,"publicationDate":"2026-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/aen.70088","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148466747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}