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
Akira Mori Akira Mori He attended Keio University, graduating in 1960 and joining Yasuda Trust & Banking (now part of Mizuho Trust & Banking). He formally joined Mori Building as an employee in 1972. Following their father's death in 1993, he and his older brother Minoru Mori inherited the family business and in 1999 they split it after a falling-out. Akira headed Mori Trust, while his brother headed what was left of the Mori Building company until his death on March 8, 2012. Mori Trust owns and operates 67 buildings, manages 89 buildings, consisting of office and residential buildings, mainly in central