silkworms and their cocoons on a natural silk production farm.

agriculture agroindustry animal biologique blanc blancs bombycidae bombyx caterpillar close cocons cocoon cocoons contexte cultivated entomology fabric fabrique farm fil golden group growing industrie insect insecte leaves mori morin mulberry myanmar natural nature naturel production silk silkworm silkworms soie textile texture their tissu traditionnel traditionnelle traiter usine vers vivant vivants white worms