Pherecydes ionae is a species of spider in the family Thomisidae. It is found in Africa and is commonly known as Iona Pherecydes crab spider.
Pherecydes ionae is found in Tanzania and South Africa.
In South Africa, it is known from the Eastern Cape, KwaZulu-Natal, and Limpopo. Localities include Hogsback, and Kloof.
Pherecydes ionae inhabits the Savanna and Forest biomes at altitudes ranging from 1146 to 1307 m. These are tree and grass dwellers.
Pherecydes ionae is listed as Least Concern due to its wide geographic range in Africa.
The species was originally described by Dippenaar-Schoeman in 1980 from Tanzania. Only the female is known.