TandayarachneTandayarachne is a genus of spiders in the family Theraphosidae.DistributionTandayarachne is found in Colombia and Ecuador.EtymologyThe genus name is a combination of Tandayapa Cloud Forest Station, the type location in the Alambi river basin in Pichincha Province, Ecuador, and Ancient Greek arachne "spider". T. sherwoodae honors UK arachnologist Danniella Sherwood.Species, this genus includes two species:Tandayarachne pijaos – ColombiaTandayarachne sherwoodae Peñaherrera-R. & Guayasamin, 2025 – Ecuador