![Caddisfly larvae use silk to make protective cases of gravel, sand, twigs or other debris. French artist Hubert Duprat supplied them with gold spangles, turquoise, opals, lapis lazuli, coral, rubies, sapphires and Caddisfly larvae use silk to make protective cases of gravel, sand, twigs or other debris. French artist Hubert Duprat supplied them with gold spangles, turquoise, opals, lapis lazuli, coral, rubies, sapphires and](http://i.imgur.com/BvWhc38.png)
Caddisfly larvae use silk to make protective cases of gravel, sand, twigs or other debris. French artist Hubert Duprat supplied them with gold spangles, turquoise, opals, lapis lazuli, coral, rubies, sapphires and
![PDF) New and remarkable records of tyrphophilic caddisfly species (Insecta, Trichoptera) from Hamburg and Schleswig-Holstein (Northern Germany) PDF) New and remarkable records of tyrphophilic caddisfly species (Insecta, Trichoptera) from Hamburg and Schleswig-Holstein (Northern Germany)](https://www.researchgate.net/profile/Ralph-Peters/publication/267513655/figure/fig3/AS:295605088866306@1447489153357/Male-specimen-of-Hagenella-clathrata-Kolenati-collected-at-the-Duvenstedter-Brook_Q320.jpg)
PDF) New and remarkable records of tyrphophilic caddisfly species (Insecta, Trichoptera) from Hamburg and Schleswig-Holstein (Northern Germany)
![PDF) New and remarkable records of tyrphophilic caddisfly species (Insecta, Trichoptera) from Hamburg and Schleswig-Holstein (Northern Germany) PDF) New and remarkable records of tyrphophilic caddisfly species (Insecta, Trichoptera) from Hamburg and Schleswig-Holstein (Northern Germany)](https://i1.rgstatic.net/publication/267513655_New_and_remarkable_records_of_tyrphophilic_caddisfly_species_Insecta_Trichoptera_from_Hamburg_and_Schleswig-Holstein_Northern_Germany/links/545210d70cf285a067c6c911/largepreview.png)