Bass, A., Needham, K., & Bennett, A. M. (2022).

First record of Vespa crabro Linnaeus (Hymenoptera: Vespidae) in western North America with a review of recorded species of Vespa Linnaeus in Canada

. Zootaxa, 5154(3), 305–318. https://doi.org/10.11646/zootaxa.5154.3.4