夏蚕[natsugo] summer silkworms
蚕業[sangyou] sericulture
蚕具[sangu] sericultural equipment
蚕座[sanza] silkworm basket
蚕糸[sanshi] silk thread

蚕糸業[sanshigyou] sericulture industry
蚕糸試験所[sanshishikenjo] silk experiment station
蚕紙[sanshi] silkworm-egg paper
蚕児[sanji] silkworm