Abstract
Four phytoseiid species Neoseiulus sinaiticum (Amitai and Siwirski 1982), N. tabularis Chaudhri, Akbar and Rasool 1979, Eusieus eitanae (Swirski and Amitai, 1965) and Proprioseiopsis badryi (Yousef and El-Brollosy, 1986) are recorded for the first time from Saudi Arabia. The two new records N. sinaiticum and N. tabularis are re-described and illustrated based on adult females. Keys to the world species of the N. paspalivorus and N. desertus species groups are provided.