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Phylum Arthropoda
Class Insecta
Order Diptera
Suborder Cyclorrhaphous-Brachycera
Family Syrphidae
Common Name  
Distinguishing Characteristics
  • Prothoracic spiracles, if present, with stigmatal openings near apex of a simple stalk
  • Cephalopharyngeal skeleton (head) lacking mouth hooks (in aquatic larvae)
  • Ribbed filter chamber in area normally occupied by mouth hooks (internal feature)
Additional Pictures



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Additional Links



Merritt, R W., K W. Cummins, and M B. Berg. An Introduction to the Aquatic Insects of North America. Dubuque, Iowa: Kendall/Hunt Company, 2008