The Caddisfly is a type of insect native to North America. It spends most of its larval stages in freshwater. They are occasionally found along the Bronx River. They are incredibly sensitive to pollution, which is why scientists often use them as indicator species for ecological health surveys.
Stations:
Select stations to compare this parameter...
| OPEN MAP
Note:
If you are here for the first time, we are pleased to welcome you to the new interface.
We have prepared a manual for you that will help you use this interface better. We hope you
will enjoy using the new system.
