DOI: 10.3897/subtbiol.51.146465

Authors: Jianzhou Sun, Xiangbo Guo, Feng Zhang

Abstract: Three new Tyrannochthonius species are described, including detailed diagnosis and illustrations: T. rudongyanensis sp. nov., T. tiani sp. nov., and T. yanwuensis sp. nov. All samples were collected from the hypogean habitats in Guangxi, China. A distribution map of all Tyrannochthonius species in Guangxi is provided.

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DOI: 10.3897/subtbiol.42.79190

Authors: Guilherme C. Prado, Gerhard C. Du Preez, Rodrigo L. Ferreira

Abstract: A new pseudoscorpion species, Selachochthonius naledi sp. nov., is herein described. It can be distinguished from the other species of the genus mainly by the absence of eyes, number and morphology of chelal teeth and coxae setae and by the appendices proportions. This new species represents the fourth record for the genus in South Africa. We also provide some ecological remarks of the new species and recommendations for future research.

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DOI: 10.3897/subtbiol.40.77451

Authors: Leonardo de Assis, Diego Monteiro von Schimonsky, Maria Elina Bichuette

Abstract: Pseudochthonius ramalho sp. nov. is described to Gruna do Vandercir cave, in the Serra do Ramalho karst area, southwestern Bahia, Brazil. This area has an extensive limestone outcrop, with several caves, and the occurrence of potential minerals that are financially attractive for mining projects. The new species shows troglomorphic characteristics such as the depigmentation of the carapace and absence or reduction of eyes. It is a rare troglobitic species, and following the criteria of IUCN, we categorized the species as Critically Endangered – CR, IUCN criteria B1ab(iii)+2ab(iii). According to Brazilian legislation, locations, where critically endangered species live, can be protected by law, and we consider this cave/region to be of maximal relevance for protection.

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DOI: 10.3897/subtbiol.40.67303

Authors: Guilherme C. Prado, Ana Clara M. Viana, Dmitry A. Milko, Rodrigo L. Ferreira

Abstract: A new pseudoscorpion species, Chthonius kirghisicus sp. nov., is described. It can be distinguished from the other species of the genus mainly by the number and shape of chelal teeth, the number of coxae setae, the arrangement of carapacal setae, and its measurements. This new species represents the first record for the genus in Kyrgyzstan. We also provide recommendations for future research on this species.

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DOI: 10.3897/subtbiol.37.58580

Authors: Ana Clara Moreira Viana, Rodrigo Lopes Ferreira

Abstract: Allochthonius (Urochthonius) yoshizawai sp. nov., found in Hiura-do Cave, a limestone cave located in the municipality of Kumakogen, Ehime Prefecture, Japan, is described. It can be distinguished from the consubgeneric species mainly by the carapacal chaetotaxy (6–2, 18), by the presence of 6 setae on the cheliceral palm, by the rallum with 11 blades, by the presence of 8 clavate coxal blades on coxae I, and by the decreased number and distinct shape of the chelal teeth. A redescription of the subgenus Urochthonius, and keys to the subgenera of Allochthonius and to the species and subspecies of Urochthonius are also provided, as well as some ecological remarks, a brief discussion on troglomorphisms for the subgenus, and potential threats for this species.

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DOI: 10.3897/subtbiol.34.49586

Authors: Zegang Feng, J. Judson Wynne, Feng Zhang

Abstract: We summarize and discuss the 29 known cave-dwelling pseudoscorpion species from China. Four new troglomorphic pseudoscorpion species, Parobisium motianense sp. nov., P. qiangzhuang sp. nov., P. sanlouense sp. nov., and P. tiani sp. nov., belonging to the family Neobisiidae, are described based on specimens collected in karst caves in Guizhou, China. Detailed diagnosis, descriptions, and illustrations are presented. We also provide recommendations for management of caves where they occur, as well as the cave arthropod communities and the habitats that support them.

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