silk cocoon the commercially bred caterpillar of the domesticated silkworm moth, the domestic silk moth bombyx mori

insect silk moth nature macro lepidoptera domesticated closeup wildlife textile silky animal white cocoon worm silkworm entomology caterpillar material butterfly chrysalis mulberry traditional zoology fauna industry production caterpillars sericulture larvae bombyx cocoonery bombycidae silkworms critter stages ai generated