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.
- Subgenus Aztekoraphidia
- Alena (Aztekoraphidia) alanae <small>Martins, Aspöck, Aspöck & Contreras-Ramos, 2022</small>
- Alena (Aztekoraphidia) australis <small>(Banks, 1895)</small>
- Alena (Aztekoraphidia) caudata <small>(Navás, 1914)</small>
- Alena (Aztekoraphidia) horstaspoecki <small>U. Aspöck & Contreras-Ramos, 2004</small>
- Alena (Aztekoraphidia) infundibulata <small>U. Aspöck et al., 1994</small>
- Alena (Aztekoraphidia) michoacana <small>U. Aspöck & H. Aspöck, 2013</small>
- Alena (Aztekoraphidia) minuta <small>(Banks, 1903)</small>
- Alena (Aztekoraphidia) schremmeri <small>U. Aspöck et al., 1994</small>
- Alena (Aztekoraphidia) tenochtitlana <small>U. Aspöck & H. Aspöck, 1978)</small>
References