Gadallah, N. S., Edmardash, Y. A., El-Ghiet, U. M. A. and Al-Fifi, Z. I. A. (2024) “New additions to the crabronid fauna of the Arabian Peninsula and Saudi Arabia (Hymenoptera: Apoidea (Spheciformes): Crabronidae), new distribution records and new species”, Zootaxa. Auckland, New Zealand, 5403(5), pp. 549–570. doi: 10.11646/zootaxa.5403.5.3.