domestic silk moth (bombyx mori) on a mulberry leaf with blurred background

mulberry leaf cocoonery silkworm worms caterpillars raw textile moth china production industry traditional cocoon univoltine silk white leaves bombycidae larvae close fauna lepidoptera critter zoology stages caterpillar bombyx mori entomology macro nature sericulture domesticated insect worm silkworms growing silky baby spring chrysalis chrysallis butterfly domestic blurred background