Moth will drink nectar. Some moths are farmed for their economic value. The most notable of these is the silkworm, the larva of the domesticated moth "Bombyx mori". It is farmed for the silk with which it builds its cocoon. , the silk industry produces more than 130 million kilograms of raw silk, worth about 250 million U.S. dollars, each year. Not all silk is produced by "Bombyx mori". There are several species of Saturniidae that also are farmed for their silk, such as the ailanthus moth ("Samia cynthia" group of species), the Chinese oak silkmoth ("Antheraea pernyi"), the Assam silkmoth
Mori Ōgai case. Mori Ōgai discovered the cause of the beriberi disease and managed to create a foundation to build a remedy, but the problem was only resolved after his death. He was appointed director of the Imperial Museum when he retired in 1916. Mori Ōgai then died of renal failure and pulmonary tuberculosis six years later, aged 60. Although Mori did little writing from 1892 to 1902, he continued to edit a literary journal ("Mezamashi gusa", 1892–1909). He also produced translations of the works of Goethe, Schiller, Ibsen, Hans Christian Andersen, and Hauptmann. It was during the Russo-Japanese War (1904–05) that