Gadallah, N. S., A. A. Malash, and Y. A. Edmardash. “An Updated Illustrated Key to the Sphecid Genera (Hymenoptera: Sphecidae s.l.) of the Arabian Peninsula”. Zootaxa, vol. 5697, no. 1, Sept. 2025, pp. 1-76, doi:10.11646/zootaxa.5697.1.1.