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.
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)