New additions to the crabronid fauna of the Arabian Peninsula and Saudi Arabia (Hymenoptera: Apoidea (Spheciformes): Crabronidae), new distribution records and new species Author Gadallah, Neveen S. Entomology Department, Faculty of Science, Cairo University, Giza, Egypt Author Edmardash, Yusuf A. Entomology Department, Faculty of Science, Cairo University, Giza, Egypt Author Abu El-Ghiet, Usama M. Department of Biology, College of Science, Jazan University, P. O. Box 114, Jazan 45142, Kingdom of Saudi Arabia & Plant Protection Department, Desert Research Center, Cairo, Egypt Author Al-Fifi, Zarrag I. A. Department of Biology, College of Science, Jazan University, P. O. Box 114, Jazan 45142, Kingdom of Saudi Arabia text Zootaxa 2024 2024-01-24 5403 5 549 570 http://dx.doi.org/10.11646/zootaxa.5403.5.3 journal article 286699 10.11646/zootaxa.5403.5.3 7f821f69-4d52-4e9b-8c86-6de70e4af397 1175-5326 10562389 02652963-45F2-4A8D-9C5A-62771B5EFC9B Genus Nysson Latreille, [1802] Nysson Latreille, [1802: 340] . Type species: Crabro spinosus Fabricius, 1775 [= Sphex spinosus J. Forster, 1771 ], designated by Schuckard, 1837. This is the second record of the genus for the fauna of Saudi Arabia . It was first recorded by Abu El-Ghiet et al . (2023) , where N. arabicus Gadallah & Edmardash was described.