Bombyx mori silk only once annually. The second type is called bivoltine and is normally found in China, Japan, and Korea. The breeding process of this type takes place twice annually, a feat made possible through the slightly warmer climates and the resulting two life cycles. The polyvoltine type of mulberry silkworm can only be found in the tropics. The eggs are laid by female moths and hatch within nine to 12 days, so the resulting type can have up to eight separate life cycles throughout the year. Eggs take about 14 days to hatch into larvae, which eat continuously. They have
Mori Trust Mori Trust Mori Trust was founded in 1970 as Mori Building Development, a subsidiary of the Mori Building group founded by Taikichiro Mori. Following his death in 1993, his two sons Minoru Mori and Akira Mori disagreed as to how to continue the business, with Minoru wishing to continue the company's focus on existing properties and new large-scale urban projects, and Akira wishing to expand the company's portfolio into more small-scale office and leisure properties. This led to a split of the Mori Building group, with Akira Mori taking over the Mori Building Development entity and renaming it "Mori Trust"