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Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid

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  Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid Abstract Eight new species of pseudoscorpions belonging to the genus Pseudochthonius Balzan, 1892 are described from the semi-arid region of Brazil. Comprehensive morphological descriptions, diagnostic characters, detailed illustrations, and ecological remarks of the habitats are provided for Pseudochthonius celestialis sp. nov., P. caritas sp. nov., P. patientia sp. nov., P. temperantia sp. nov., P. diligentia sp. nov., P. castitas sp. nov., P. humilitas sp. nov., and P. benignitas sp. nov. In addition, we present a brief discussion of the potential factors underlying the remarkable congeneric species richness observed in this geographically restricted region, as well as the principal threats faced by these species. These findings underscore the importance of conserving caves in order to pr...

Scorpion first: fear of arthropods in the Horn of Africa

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Khantao gen. nov., a new genus of Selenocosmiinae Simon, 1889 from western Yunnan of China (Araneae: Mygalomorphae: Theraphosidae)

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Exosome biogenesis in arthropods: conserved mechanisms, experimental evidence, and emerging directions

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Chemical Secretion Use Varies Among Species but Lacks a Straightforward Relationship With Other Defenses in Neotropical Opiliones

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Viperid Venom Immunization Using Chitosan Nanoparticles as Immunoadjuvant

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Hidden diversity in plain sight: four new species of Nemesia (Araneae: Mygalomorphae) from the Córdoba Province of Spain

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Photographic evidence of mite parasitism on a jumping spider Hyllus semicupreus (Simon, 1885) from Gujarat, Western India.

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Microclimate of cemetery habitats and nest site selection of Eresus kollari (Araneae: Eresidae) in South Korea

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An Example of Chromosomal Study in Chelicerates: Haplodrassus ovtchinnikovi Ponomarev, 2008 (Gnaphosidae: Araneae)

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Diversity and Abundance of Spiders (Araneae) in Different Habitats in Mt. Lantoy, Cebu, Philippines

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A Decade of Change: Trends in Scorpion Richness, Abundance, and Community Structure in Central Algerian Sahara

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Snake Venom and Antivenom Pharmacology

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Integrative taxonomy of the genus Nesticus in central Japan, with the description of a new species and redescriptions of N. echigonus and N. gondai (Araneae, Nesticidae)

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New Insights on the Geographical Distribution of the Malagasy Genus Neogrosphus Lourenço, 1995 (Scorpiones: Buthidae) with the Description of a New Species from a More Humid Environment

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First molecular data based on the mitochondrial 16S rRNA gene for the endemic harvestman Mediostoma izmiricum Snegovaya, Kurt and Yağmur (Opiliones: Nemastomatidae) from Türkiye, with insights into the phylogenetic relationships of the genus

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Insights into the distribution and ecology of the funnelweb spider Macrothele calpeiana in Portugal

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Temperature-induced changes in lipids and fatty acids in spiders

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A comparative morphology of trichobothrial bases in mygalomorph spiders and its significance for the phylogeny and system of the infraorder (Arachnida: Araneae: Mygalomorphae)

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Seasonal constraints on maternal body size induce transgenerational fitness penalties in a sheet-web spider

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Euscorpius emae sp. n. (Scorpiones: Euscorpiidae), a new scorpion species from Montenegro

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All genera of the world: order Opiliones (Animalia: Arthropoda: Arachnida)

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