39.95, 21.23: 10 Treatments

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Anthidium (Proanthidium) amandum   sp. nov.  Kasparek, Max & Shebl, Mohamed A., 2025, Molecular evidence supports the recognition of two distinct species within Anthidium minimum Pasteels, 1969, from the Afro-Arabian zoogeographic region (Hymenoptera: Megachilidae), Zootaxa 5725 (2), pp. 267-278 : 269-270 269-270
Neoseiulus arabicus   sp. nov.  Mirza, Jawwad Hassan, Kamran, Muhammad & Alatawi, Fahad Jaber, 2024, New species and new records of the family Phytoseiidae Berlese (Acari: Mesostigmata) from Saudi Arabia, Zootaxa 5496 (4), pp. 567-578 : 568-571 568-571
Leiurus haenggii   sp. nov.  Lowe, Graeme, Yağmur, Ersen Aydın & Kovařík, František, 2014, A review of the genus Leiurus Ehrenberg, 1828 (Scorpiones: Buthidae) with description of four new species from the Arabian Peninsula, Euscorpius 191, pp. 1-129 : 34-48 34-48
Derelomus schoedli     Haran, Julien M., Benoit, Laure, Dufaÿ, Mathilde, Procheş, Serban & Kergoat, Gael J., 2025, A monograph of Afrotropical and Mediterranean Derelomus Schoenherr, 1825 (Coleoptera: Curculionidae) with the descriptions of 14 new species, European Journal of Taxonomy 1014, pp. 1-128 : 30-33 30-33
Ninetis amoud   sp. nov.  Huber, Bernhard A. & Meng, Guanliang, 2025, Like grains of sand: Ninetis spiders on the Arabian Peninsula (Araneae: Pholcidae), Zootaxa 5563 (1), pp. 290-335 : 308-317 308-317
Siccia buettikeri     Volynkin, Anton V., 2023, Contribution to the knowledge of the genus Siccia Walker (= Aemene Walker, syn. n.) in the Afrotropics with descriptions of seventy-three new species, three new subspecies, and a check-list of Asiatic taxa of the genus (Lepidoptera: Erebidae: Arctiinae: Lithosiini), Ecologica Montenegrina 64, pp. 1-184 : 25 25
Ceropegia lodarensis subsp. var. var. lodarensis     Alharbi, Samah A. & Al-Qthanin, Rahmah N., 2021, Taxonomic revision of Ceropegia sect. Huernia (Asclepiadoideae, Apocynaceae) in Saudi Arabia with three new combinations, PhytoKeys 174, pp. 47-80 : 47 47
Eupalopsellus taifensis   sp. nov.  Khan, Eid Muhammad, Kamran, Muhammad, Rehman, Muneeb Ur, Mirza, Jawwad Hassan & Alatawi, Fahad Jaber, 2024, Two new species of Eupalopsellidae (Acari: Prostigmata: Raphignathoidea) and key to the world species of Exothorhis Summers, Journal of Natural History 58 (13 - 16), pp. 511-526 : 513-517 513-517
Exothorhis saudiensis   sp. nov.  Khan, Eid Muhammad, Kamran, Muhammad, Rehman, Muneeb Ur, Mirza, Jawwad Hassan & Alatawi, Fahad Jaber, 2024, Two new species of Eupalopsellidae (Acari: Prostigmata: Raphignathoidea) and key to the world species of Exothorhis Summers, Journal of Natural History 58 (13 - 16), pp. 511-526 : 518-523 518-523
Mixonychus acacia     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, Journal of Natural History 52 (7 - 8), pp. 429-455 : 447 447