On fork-tailed crab spiders: Two new species of Sidymella Strand, 1942 (Araneae: Thomisidae) from Ecuador

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  On fork-tailed crab spiders: Two new species of Sidymella Strand, 1942 (Araneae: Thomisidae) from Ecuador Abstract Two new species from the family Thomisidae are described from Ecuador: Sidymella ayahuma sp. nov. from the Andean chocó region in Northwestern Ecuador (♀) and Sidymella malefica sp. nov. (♀) from the Andes region in central Ecuador. Díaz-Guevara, D.R. & Machado, M. (2026) On fork-tailed crab spiders: Two new species of Sidymella Strand, 1942 (Araneae: Thomisidae) from Ecuador. Zootaxa, 5831 (2), 288–294. https://doi.org/10.11646/zootaxa.5831.2.11

A new remarkable species of Leiurus Ehrenberg, 1828 from Saudi Arabia (Scorpiones: Buthidae)

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A new remarkable species of Leiurus Ehrenberg, 1828 from Saudi Arabia (Scorpiones: Buthidae)

Abstract

A new remarkable buthid scorpion, Leiurus nigellus sp. nov., was discovered in Al Ula Governorate, north of Al Madinah Al Monawwarah Province, Saudi Arabia. The new species is described, fully illustrated, and compared with other species of the genus Leiurus reported from the Arabian Peninsula. Notes on its habitats are provided.

Abu Afifeh, B., Aloufi, A., Al-Saraireh, M., Badry, A., Al-Qahtni, A. H., & Amr, Z. S. (2023). A new remarkable species of <em>Leiurus</em> Ehrenberg, 1828 from Saudi Arabia (Scorpiones: Buthidae). Ecologica Montenegrina, 69, 91–106. https://doi.org/10.37828/em.2023.69.9