Bombyx mori is the most well studied Lepidoptera model organism, and its nature coloredcocoon is the excellent genetic resource for production and application.
家蚕是鳞翅目模式生物，其天然有色茧是具有重大应用前景的遗传资源。
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She then shapes the multi-colored petals into a cocoon-like structure, laying one petal on top of the other and occasionally using some nectar as glue.