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 species of Hadruroides Pocock, 1893 from Peru (Scorpiones: Caraboctonidae)

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A new species of Hadruroides Pocock, 1893 from Peru (Scorpiones: Caraboctonidae)

Abstract

A new species belonging to the genus Hadruroides Pocock, 1893 (family Caraboctonidae Kraepelin, 1905) is described on the basis of specimens collected in Apurimac region in Southern Peru. H. (Lourencoides) apu sp. n. appears to be related to H. (L.) mauryi Francke & Soleglad, 1980 and H. (L.) bustamantei Ochoa & Chaparro, 2008 but can be distinguished notably by a smaller size, different pigmentation pattern, reduced granulation, lower pectinal tooth count, metasoma with only the first segment wider than long and pedipalp chela slenderer in male and broader in female with fixed finger straight without proximal gap between fingers in both sexes. This new taxon represents the 18th known species of the genus Hadruroides reported from Peru and the 23rd species of the subgenus Lourencoides Rossi, 2014. The total number of Hadruroides species is now raised to 25.

Eric Ythier, Wilson R. Lourenço. A new species of Hadruroides Pocock, 1893 from Peru (Scorpiones: Caraboctonidae). Faunitaxys, 2023, 11 (76), pp.1-7. ⟨10.57800/faunitaxys-11(76)⟩. ⟨hal-04299577⟩