Wahlberg, E., Baião, G. C., Häggqvist, S., Martinsson, S., Pistone, D., & Pape, T. (2014). Ancistrocerus waldenii waldenii (Viereck 1906) (Hymenoptera: Vespidae, Eumeninae), a new addition to the fauna of Greenland. Zootaxa, 3838(1), 143–150. https://doi.org/10.11646/zootaxa.3838.1.9