Alena is a genus of snakeflies in the family Raphidiidae. All species are predatory, both as adults and larvae. They occur in North America in the South-Western United States and Western to Central Mexico.Martins, C.C., 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. PDF
Systematics At present 11 living species of Alena are known.
Alena Subgenus Alena Alena (Alena) distincta (Banks, 1911)
Subgenus Aztekoraphidia Alena (Aztekoraphidia) alanae Martins, Aspöck, Aspöck & Contreras-Ramos, 2022 Alena (Aztekoraphidia) australis (Banks, 1895) Alena (Aztekoraphidia) caudata (Navás, 1914) Alena (Aztekoraphidia) horstaspoecki U. Aspöck & Contreras-Ramos, 2004 Alena (Aztekoraphidia) infundibulata U. Aspöck et al., 1994 Alena (Aztekoraphidia) michoacana U. Aspöck & H. Aspöck, 2013 Alena (Aztekoraphidia) minuta (Banks, 1903) Alena (Aztekoraphidia) schremmeri U. Aspöck et al., 1994 Alena (Aztekoraphidia) tenochtitlana U. Aspöck & H. Aspöck, 1978)
Subgenus Mexicoraphidia Alena (Mexicoraphidia) americana (Carpenter, 1959)
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