Tandayarachne is a genus of spiders in the family Theraphosidae.

Distribution Tandayarachne is found in Colombia and Ecuador.

Etymology The 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 (Jimenez & Bertani, 2008) – Colombia Tandayarachne sherwoodae Peñaherrera-R. & Guayasamin, 2025 – Ecuador

References