Description of a new species of the genus Potosa Goodnight & Goodnight, 1947 (Opiliones: Laniatores: Stygnopsidae: Karosinae) from Hidalgo, Mexico

Autores/as

  • Jesús Alberto Cruz López Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Centro Regional de Investigación Pacífico Sur (CIRPAS), Campo Experimental Valles Centrales, Oaxaca, Mexico. https://orcid.org/0000-0002-6128-0195

DOI:

https://doi.org/10.21829/azm.2025.4112769

Palabras clave:

Gonyleptoidea, troglofílico, taxonomy

Resumen

Potosa pisaflores sp. nov. is described based on specimens collected from Cueva del Caracol, Pisaflores, Hidalgo, Mexico. This is the fourth species of the genus and only the second in which females have been collected. The new species is similar to Potosa dybasi Goodnight & Goodnight, 1947, but it can be recognized by the high number of tarsomeres on legs II and the general shape of male genitalia.

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Biografía del autor/a

Jesús Alberto Cruz López,

Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Centro Regional de Investigación Pacífico Sur (CIRPAS), Campo Experimental Valles Centrales, Oaxaca, Mexico.

Investigador Titular C,

Investigador SNI-I, CONACYT

Línea: Sanidad Agrícola y Forestal

Citas

Acosta, L. E., Pérez-González, A., Tourinho, A. L. (2007) Methods for taxonomics study p. 494–505. In: R. Pinto-da-Rocha, G. Machado, G. Giribet (Eds.). Harvestmen: The Biology of Opiliones. Massachusetts and London: Harvard University Press, USA.

Cruz-López, J. A. (2018) Potosa elsanto sp. nov., the third species of the genus Potosa (Opiliones: Stygnopsidae: Karosinae). Revista Mexicana de Biodiversidad, 89, 79–86.

https://doi.org/10.22201/ib.20078706e.2018.1.2074 DOI: https://doi.org/10.22201/ib.20078706e.2018.1.2074

Cruz-López, J. A. (2021) Two new genera and two new species of troglobitic harvestmen of Stygnopsidae (Opiliones, Laniatores, Gonyleptoidea) from Oaxaca, Mexico, with notes on selected morphological characters. Zoosystema, 43, 101–112. DOI: https://doi.org/10.5252/zoosystema2021v43a5

https://doi.org/10.5252/zoosystema 2021v43a5

Cruz-López, J. A., Francke, O. F. (2015) Cladistic analysis and taxonomic revisión of the genus Karos Goodnight & Goodnight, 1944 (Opiliones, Laniatores, Stygnopsidae). Zoological Journal of the Linnean Society, 175, 827–891.

https://doi.org/10.1111/zoj.12299 DOI: https://doi.org/10.1111/zoj.12299

Cruz-López, J. A., Francke, O. F. (2017) Total evidence phylogeny of the North American harvestman family Stygnopsidae (Opiliones: Laniatores: Grassatores) reveals hidden diversity. Invertebrate Systematics, 31, 317–360.

https://doi.org/10.1071/IS16053 DOI: https://doi.org/10.1071/IS16053

Cruz-López, J. A., Francke, O. F. (2019a) New species of the cave-dwelling genus Huasteca (Opiliones: Stygnopsidae: Karosinae), from Northern Oaxaca, Mexico, with a SEM survey of the sexually dimorphic areas on legs and structures related to chelicera in the genus. Journal of Natural History, 53, 1451–1464.

https://doi.org/10.1080/00222933.2019.1657194 DOI: https://doi.org/10.1080/00222933.2019.1657194

Cruz-López, J. A., Francke, O. F. (2019b) Taxonomic revisión of the Neotropical genus Panzosus Roewer, 1949 stat. rev. (Opiliones: Laniatores: Stygnopsidae). Journal of Arachnology, 47, 226–247.

https://doi.org/10.1636/JoA-S-18-061 DOI: https://doi.org/10.1636/JoA-S-18-061

Cruz-López, J. A., Francke, O. F. (2020) Two new genera of epigean harvestmen (Opiliones, Stygnopsidae) from Oaxaca, Mexico, with an identification key for the stygnopsine genera. Zootaxa, 4748, 431–454.

https://doi.org/10.11646/zootaxa.4748.3.2 DOI: https://doi.org/10.11646/zootaxa.4748.3.2

Goodnight, C. J., Goodnight, M. L. (1947) Phalangida from Tropical America. Fieldiana, 32, 1–58.

Goodnight, C. J., Goodnight, M. L. (1953) The opilionid fauna of Chiapas, Mexico, and adjacent areas (Arachnoidea, Opiliones). American Museum Novitates, 1610, 1–81.

Kury, A. B., Villarreal, O. (2015) The prickly blade mapped: establishing homologies and a chaetotaxy for macrosetae of penis ventral plate in Gonyleptoidea (Arachnida, Opiliones, Laniatores). Zoological Journal of the Linnean Society, 174, 1–46.

https://doi.org/10.1111/zoj.12225 DOI: https://doi.org/10.1111/zoj.12225

Kury, A. B., Medrano, M. (2016) Review of terminology for the outline of dorsal scutum in Laniatores (Arachnida, Opiliones). Zootaxa, 4097, 130–134.

https://doi.org/10.11646/zootaxa.4097.1.9 DOI: https://doi.org/10.11646/zootaxa.4097.1.9

Willemart, R. H., Pérez-González, A., Farine, J. P., Gnaspini, P. (2010) Sexually dimorphic tegumental gland openings in Laniatores (Arachnida, Opiliones), with new data on 23 species. Journal of Morphology, 271, 641–653.

https://doi.org/10.1002/jmor.10822 DOI: https://doi.org/10.1002/jmor.10822

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Publicado

30-06-2025

Cómo citar

Cruz López, J. A. (2025). Description of a new species of the genus Potosa Goodnight & Goodnight, 1947 (Opiliones: Laniatores: Stygnopsidae: Karosinae) from Hidalgo, Mexico . ACTA ZOOLÓGICA MEXICANA (N.S.), 41(1), 1–8. https://doi.org/10.21829/azm.2025.4112769
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