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[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.
Insects IV - True Flies, Dragonflies and insects with "fly" in their name
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