|Agulla species, Packer Lake, California|
Agulla species are predatory, both as adults and larvae. They occur in North America in British Columbia and in the Western United States, namely in the Rocky Mountains and westward, including the southwestern deserts.
At present 31 living and two extinct species of Agulla are known from North America. The species are divided into four subgenera, with the two extinct (†) species left unplaced in the genus.
- Subgenus Agulla
- Subgenus Galavia
- Subgenus Franciscoraphidia
- A. (F.) directa Carpenter
- Subgenus Californoraphidia
- A. (C.) nigrinotum Woglum & McGregor
- Subgenus incertae sedis
- Engel, M. S. (2011). "A new snakefly from the Eocene Green River Formation (Raphidioptera: Raphidiidae)". Transactions of the Kansas Academy of Science. 114 (1–2): 77–87. doi:10.1660/062.114.0107.
- Scudder, G., & R. Cannings. 2008. Checklist of the Raphidioptera (Snakeflies) of British Columbia.
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