Lepidoptera feathers and hair, bran, semolina and flour (possibly preferring wheat flour), biscuits, casein, and insect specimens in museums. Even though most butterflies and moths affect the economy negatively, some species are a valuable economic resource. The most prominent example is that of the domesticated silkworm moth ("Bombyx mori"), the larvae of which make their cocoons out of silk, which can be spun into cloth. Silk is and has been an important economic resource throughout history. The species "Bombyx mori" has been domesticated to the point where it is completely dependent on mankind for survival. A number of wild moths such
Memento Mori (The X-Files) a Drama Series for her work in this episode and the fourth season as a whole. Memento Mori (The X-Files) "Memento Mori" is the fourteenth episode of the fourth season of the American science fiction television series "The X-Files". It premiered on the Fox network on . It was directed by Rob Bowman, and written by series creator Chris Carter, Vince Gilligan, John Shiban and Frank Spotnitz. "Memento Mori" featured guest appearances by Sheila Larken, David Lovgren and Morris Panych. The episode helped to explore the overarching mythology, or fictional history of "The X-Files". "Memento Mori" earned a Nielsen household