Two cryptic species were identified with molecular information – five individuals sequenced. They have characteristic serpent-like movements and long anal setae.
Habitat: Aquatic.
Synonyms on the BWG database: Ceratopogonidae sp. B, Ceratopogonidae sp. D, Ceratopogonidae sp A.
Preserved specimens
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/07/P015-l-E-1-1024x771.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/P015-zl2-1.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/P015-zd1-1-edited.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/07/P016-v-E-1-1024x771.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/P016-zd2-1-edited-1.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/P016-zd1-1.jpg)
Note: The disposition of setae (spread, closed, curled, straight) in Ceratopogoniinae is not a diagnostic character. It changes with the position in which the individual died or with manipulation.
Live individuals
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/BNP11-20191130_190445-1024x768.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/BNP11-20191130_182014-1024x768.jpg)
![](https://blogs.ubc.ca/costaricapitillafieldguide/files/2022/08/BNP13-20191205_022830-1024x768.jpg)
Note: Inner color varies according to the color of food. Red on first photo was taken after eating a Polypedilum.