Alexandre Pires Aguiar, Andrew R. Deans, Michael S. Engel, Mattias Forshage, John T. Huber, John T. Jennings, Norman F. Johnson, Arkadij Lelej, John T. Longino, Volker Lohrmann, István Mikó, Michael Ohl, Claus Rasmussen, Andreas Taeger & Dicky Sick Ki Yu, Order Hymenoptera, Animal Biodiversity: An Outline of Higher-level Classification and Survey of Taxonomic Richness (Addenda 2013), s. 51–62, läs online.[källa från Wikidata]
