Historical biogeography of Alena Navás, 1916 (Neuroptera: Raphidiidae). A: chronogram showing intergeneric relationships within Alena Navás, 1916 (based on the topology results recovered in the equal and implied weight analysis using constant k values of 3–10), reconstructed ancestral areas mapped for each node. B: biogeographic provinces of Mexico and southwestern U.S.A., after Escalante et al. (2013, 2021) and Morrone (2019).

 
 
  Part of: Martins CC, Aspöck H, Aspöck U, Contreras-Ramos A (2022) Phylogeny and biogeography of the unique snakefly genus Alena Navás, 1916 (Raphidioptera: Raphidiidae). Arthropod Systematics & Phylogeny 80: 39-58. https://doi.org/10.3897/asp.80.e77260