New species and records of spiders (Arachnida: Araneae) from Ecuador

New taxonomic and faunistic data on spiders of Ecuador are provided, based on a small set of previously unstudied specimens collected at Tiputini Biodiversity Station in Orellana. These specimens belong to five species in three families: Anapistula tiputiana sp. n. (♀; Symphytognathidae) and Pseudanapis yasunica sp. n. (♂; Anapidae) are described as new to science, and the hersiliids Neotama obatala Rheims Brescovit, 2004, Ypypuera crucifera (Vellard, 1924) and Y. vittata (Simon, 1887) are newly recorded in Ecuador. Illustrations are provided for all treated species.