Ramirez-Benavides, W. (2016). A living fossil Tetrapus fig wasp (Hymenoptera: Agaoninae) developing in extant Neotropical fig species (Moraceae: Ficus, section Pharmacosycea). Revista De Biología Tropical, 64(4), 1721–1735. https://doi.org/10.15517/rbt.v64i4.20808