J.M. Dickie, How to catch trout, Londres, W. & R. Chambers, (1888), 1963, p.32.

The Sedge-flies or Caddis-flies (Trichoptera)- Everyone knows those quaint caddis-worms that build themselves portable shelters of unconsidered trifles such as gravel, sand, and tiny stones, pieces of stick and bits of plant. Well, these larval caddis-worms, used as bait by caddis-fishers, develop in due saison into Sedge-flies or Caddis-flies,mostly brown-coloured wings folding slopingly..