What do you get when you mix two parts leftover bug goop with one part semi-precious stones? You get what has got to be some of the most unique jewelry components ever made by man and beast.

As explained on the jewelry designers' website: " We raise Caddisfly larvae in a predator-free simulated stream environment and provide them with gems and minerals in place of natural stream materials. Our Caddisflies then produce a case that they use for protection, respiration, and Camouflage. When the Caddisflies emerge as adults, they leave behind their unique cases."

Read more: Jewelry 'flies' off the shelf