Fritz Müller has described a caddis-fly larva which lives among these leaves, and which has been modified in the pupa state in accordance with its surroundings.    From Wordnik.com.  [Darwinism (1889)] Reference

"Yes, it has cousins; the ant-lion and caddis-fly both belong to this family.    From Wordnik.com.  [Little Busybodies The Life of Crickets, Ants, Bees, Beetles, and Other Busybodies] Reference

It’s time to shed some weight and clean out the closets and get rid of some of the useless garbage I keep moving with me like my own personal caddis-fly shell.    From Wordnik.com.  [Garage Sale | Letter Never Sent] Reference

That caddis-fly link was really neat!.    From Wordnik.com.  [Garage Sale | Letter Never Sent] Reference

"Down there is a caddis-fly.    From Wordnik.com.  [News & Features from Minnesota Public Radio] Reference