A new species of the genus Spinoctenus Hazzi, Polotow, Brescovit, González-Obando et Simó, 2018 (Araneae: Ctenidae) from Panama

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  A new species of the genus Spinoctenus Hazzi, Polotow, Brescovit, González-Obando et Simó, 2018 (Araneae: Ctenidae) from Panama A new species Spinoctenus leleji sp. n . is described from Panama based on a male specimen. This is the first record of the genus Spinoctenus from Panama and the second record of this genus outside South America. The new species is most similar to S. tequendama Hazzi, Polotow, Brecovit, González-Obando et Simó, 2018, but differs by the structure of the male palp and the shape of metatarsus IV. Photographs of the habitus and copulatory organs are provided. The type locality of the new species is mapped. Omelko, Мichail M. 2026. A new species of the genus Spinoctenus Hazzi, Polotow, Brescovit, González-Obando et Simó, 2018 (Araneae: Ctenidae) from Panama. Far Eastern Entomologist(554): 19-24.  https://biosoil.ru/fee/publication/2988

On the spider genus Spanioplanus (Araneae: Linyphiidae): three new species from Uruguay and Argentina

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On the spider genus Spanioplanus (Araneae: Linyphiidae): three new species from Uruguay and Argentina

ABSTRACT

Three new species of the genus Spanioplanus Millidge (Araneae: Linyphiidae) are described: Spanioplanus juru n. sp. (male and female) from riparian forests and psammophilus scrublands in Uruguay, Spanioplanus holmbergi n. sp. (male and female) and Spanioplanus olejniki n. sp. (female) from riparian forests and hilly systems in central-eastern Argentina. Photographs and illustrations of somatic and sexual characters of the species are provided. Furthermore, data of the natural history and a distribution map for these species are presented together with an updated diagnosis of the genus. These findings document a higher species number of this previously monotypic genus and expand its known distribution in South America.

CAJADE, M., CARRIÓN, N., HAGOPIÁN, D., ZAPATA, L., GRISMADO, C., & SIMÓ, M. . (2025). On the spider genus <em>Spanioplanus</em> (Araneae: Linyphiidae): three new species from Uruguay and Argentina. Revista De La Sociedad Entomológica Argentina, 84(3), e0302. Retrieved from https://www.biotaxa.org/RSEA/article/view/86932