Frey, D., Fernández Gayubo, S., Mokrousov, M., Zanetta, A., Řiha, M., Moretti, M., & Cornejo, C. (2019). Phylogenetic notes on the rare Mediterranean digger wasp Psenulus fulvicornis (Schenck, 1857) (Hymenoptera: Crabronidae) new to Switzerland. Revue Suisse de Zoologie, 126(1), 27-42. https://doi.org/10.5281/zenodo.2619514