pitahayos is incorrectly written, and should be written as "pitahaya" being its meaning:
plural and feminine of pitahayaSe known as Pitahaya and Pitaya and dragon fruit the fruit of the species of Hylocereus and Selenicereus, of the family Cactaceae, coming from Mexico and Central America. The world's top producers are Mexico, Nicaragua, Peru, China, Viet Nam, Colombia and Israel.