Cocoon made from silk fibres. A silk cocoon is spun by the caterpillar of the silk moth,Bombyx mori. Each cocoon contains more than a kilometre of fibre. Cultivation involves killing the larva inside the cocoon by heat,before the cocoon is plunged into hot water and the fibre unwound | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4253 px × 4253 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |