what happens when you give caddisfly lava gold and gems to build with?

[DrDuck]

Interesting article on caddisflies building cases out of gold and gems.

http://io9.com/these-insects-build-cocoons-of-gold-and-pearl-1611710309

 

[Jaros]

Good one Dr Duck. It must have a good power to weight ratio.

 

[Mac urban]

I tie a lot of my own flies for fly fishing but on this occasion I think I'll stick to fur and feather for my stick caddis as I'd be cursing if I hooked my fly up a tree on a back cast ,all being said it's a good looking caddis .