Two new species of the spider genus Loxosceles (Araneae, Sicariidae) from the Ecuadorian Andes Author Duperre, Nadine https://orcid.org/0000-0003-2195-878X Museum of Nature Hamburg - Zoology, Leibniz-Institute for the Analysis of Biodiversity Change (LIB), Centre for Taxonomy and Morphology, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany & American Museum of Natural History, New York, NY, USA n.duperre@leibniz-lib.de Author Harms, Danilo https://orcid.org/0000-0002-7189-5345 Museum of Nature Hamburg - Zoology, Leibniz-Institute for the Analysis of Biodiversity Change (LIB), Centre for Taxonomy and Morphology, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany Author Crespo-Perez, Veronica https://orcid.org/0000-0002-8811-1965 Laboratorio de Entomologia, Museo de Zoologia QCAZ, Escuela de Ciencias Biologicas, Pontificia Universidad Catolica del Ecuador, Avenida 10 de Octubre 1076, 170143, Quito, Ecuador Author Tapia, Elicio Museum of Nature Hamburg - Zoology, Leibniz-Institute for the Analysis of Biodiversity Change (LIB), Centre for Taxonomy and Morphology, Martin-Luther-King-Platz 3, 20146 Hamburg, Germany text Evolutionary Systematics 2024 2024-01-10 8 1 1 14 http://dx.doi.org/10.3897/evolsyst.8.107213 journal article http://dx.doi.org/10.3897/evolsyst.8.107213 2535-0730-1-1 651A309753FE49F98B755C5D8AF189F1 4BE9B0A53B4F5F0F8E641BB304D1D704 Genus Loxosceles Heineken & Lowe, 1832 Type species. Loxosceles citigrada Heineken & Lowe, 1832. Diagnosis. Members of the genus Loxosceles are distinguished from all other Sicariidae , Sicarius and Hexophthalma , by the absence of soil-adhering setae and a large colulus, soil-adhering setae present and large colulus absent in the latter genera ( Magalhaes et al. 2017 ). Description. (For complete description see Gertsch 1967 ). Medium-sized spiders (6-12 mm); two tarsal claws; ecribellate; haplogyne; six-eyes in three diads; chelicerae with stridulatory files; stridulatory pick at base of palpal femur. Composition. 143 species ( World Spider Catalog 2023 ), plus the two new species herein described: L. binfordae sp. nov. and L. guayllabamba sp. nov. Distribution. Americas, Southern Africa, the Mediterranean region, and South Europe.