Bombyx mori their lifecycle, and enclose themselves in a cocoon made up of raw silk produced by the salivary glands. The final molt from larva to pupa takes place within the cocoon, which provides a vital layer of protection during the vulnerable, almost motionless pupal state. Many other Lepidoptera produce cocoons, but only a few—the Bombycidae, in particular the genus "Bombyx", and the Saturniidae, in particular the genus "Antheraea"—have been exploited for fabric production. If the animal is allowed to survive after spinning its cocoon and through the pupal phase of its lifecycle, it releases proteolytic enzymes to make a hole in
Mark Mori Mark Mori Mark Mori is an American documentary filmmaker, television producer and screenwriter of documentary and reality television series and specials. He produced and directed, "Bettie Page Reveals All", the authorized documentary film on life of pin-up model, Bettie Page, released in 2012. Previously, Mori produced and directed "Building Bombs", Academy Award nominee for Best Feature Documentary for 1990 (DVD release by Docurama/New Video in 2005), Executive Produced, "", documentary short Academy Award nominee for 1993; received an Emmy Award for the television documentary special, "Kent State, the Day the War Came" Home for 2000; co-produced "The Fire This Time",