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
Cormoran Strike without trace. Quine, once hailed as a literary rebel —has struggled for years to recreate the success of his original novel and has fallen out of public favour. Strike discovers that his disappearance coincides with the leak of a manuscript for his latest novel, "Bombyx Mori". The London literary community considers "Bombyx Mori" to be unpublishable; an unpleasant mix of rape, sadomasochism, torture, necrophilia and cannibalism, the hero is eventually tricked and eaten alive by various characters who are thinly-veiled caricatures of people in Quine's life whom he considers responsible for the destruction of his career. The investigation soon takes