[1]
M. V. Mokrousov and M. Y. Proshchalykin, “A revision of the Palearctic species of the genus Crabro Fabricius, 1775 (Hymenoptera: Spheciformes: Crabronidae), with reclassification of the world subgenera”, Zootaxa, vol. 5817, no. 1, pp. 1–72, May 2026.