Macrocheles merdarius (Berlese)
Holostaspis merdarius Berlese, 1889: 1 .
Holostaspis merdarius Berlese. —1892: 70.
Macrocheles (Coprholaspis) merdarius .— Berlese, 1918: 146.
Macrocheles merdarius .— Sellnick, 1940: 86; Azevedo et al., 2017: 420.
Material examined: Eleven females, three males, soil debris under date palms, different grassy weeds in date palm orchards, IMISU, Riyadh, 24°48'N, 46°42'E 20 September 8 , November 1, December 2010, 29 January, 30 Aug 2011, 21 February 2012, coll. J. Basahih and W. Negm; three females, soil debris under date palms, 12 February 2012, coll. M. Kamran, and W. Negm; one female, galls of Ziziphus sp., Baha, 25 April 2013 , coll. M. Kamran.
Previous Record: Fouly & Rehiayani (2011), Qassim, SA.