[Image Number] 111 [Image (Click to Enlarge)] I found these 3 small Cassisfly cases on a rock in a slow-moving stream in the Smokies. The larvae used small pieces of sand to construct their cases. [Image Viewed] 722 [Caption] 
I found these 3 small Cassisfly cases on a rock in a slow-moving stream in the Smokies. The larvae used small pieces of sand to construct their cases.