Orasiopa (Reymontopa) mera (Cresson, 1939) Discocerina mera Cresson, 1939: 6. Orasiopa mera: Zatwarnicki & Mathis 2001: 40 [generic combination]; Mathis et al. 2017: 696 [United Arab Emirates]. Specimens examined. 1 ♂, Jazan, Farasan Island (Under the Al-Saged Bridge), 22. v. 2014, sweeping on seaweed, H.A. Dawah (CERS). Distribution. This is the first record from Saudi Arabia. This species was described from Thailand and further recorded from the Afrotropical Region: Aldabra, Seychelles, United Arab Emirates; Australasian/Oceanian Region: Australia (New South Wales, Queensland), Caroline Islands, Eniwetok Atoll, Fiji, Gilbert Islands, Guam, Hawaiian Islands, Marianas Islands, Marshall Islands, Papua New Guinea (Papua New Guinea, Bismarck Archipelago), Solomon Islands, Society Islands, Tahiti; Nearctic Region: Antilles, Bermuda, United States (Florida); Neotropical Region: Belize, Brazil, Costa Rica, Trinidad and Tobago; Oriental Region: Malaya, Ryukyu Islands, Taiwan, Thailand and Vietnam; Palaearctic Region: Japan.

Published as part of Dawah, Hassan A., Ahmad, Syed K., Abdullah, Mohammed A. & Zatwarnicki, Tadeusz, 2019, An overview of the Ephydridae (Diptera) of Saudi Arabia, pp. 401-445 in Zootaxa 4711 (3) on page 421, DOI: 10.11646/zootaxa.4711.3.1, http://zenodo.org/record/3586476