Lopes, Rogério Botion, and Marcel Gustavo Hermes. 2025. “The Neotropical Zethus biglumis Species-Group (Hymenoptera, Vespidae, Zethinae): Description of Three New Species, With Notes on the Evolution of the Group”. Zootaxa 5701 (2). Auckland, New Zealand:122-30. https://doi.org/10.11646/zootaxa.5701.2.2.