Genus Sonotetranychus Tuttle, Baker and Abbatiello Type species: Sonotetranychus daleae (Tuttle and Baker, 1968). Diagnosis The diagnosis is based on Tuttle et al. (1976) and Bolland et al. (1998). Propodosoma with three pairs of setae; hysterosoma with 10 pairs of setae, dorsum striated; dorsal setae setiform, two pairs of para-anal setae (h 2, h 3 ), two pairs of anal setae (ps 1, ps 2 ), tarsus I with two sets of duplex setae; tarsus II with one set of duplex setae, empodium a single claw-like structure, without proximoventral hairs, empodial claw much longer than pads of the true claws.Published as part of Alatawi, Fahad Jaber & Kamran, Muhammad, 2018, Spider mites (Acari: Tetranychidae) of Saudi Arabia: two new species, new records and a key to all known species, pp. 429-455 in Journal of Natural History 52 (7 - 8) on page 433, DOI: 10.1080/00222933.2018.1434251, http://zenodo.org/record/517842