But Apparently Having Them There Is Really Good!! Theyre An Important Food Source For A Lot Of Fish And They Indicate Good Water Quality!! - Tumblr Posts

Gremlin Art ! #1

The caddisfly larvae will form a protective sheet with whatever it can find. Wood, stones, snail shells…

In the 80´s french Artist Hubert Duprat supplied these little bugs with gold, pearls and crystals to create unique jewelry !

Here you can see them in their little shells.

And here’s an example of a finished product after the larvae transformed into an adult.