silkworm

蚕，桑蚕英释中释na type of caterpillar which produces silk thread

1 silkworm chrysalis,蚕蛹

2 silkworm moth,蚕蛾

3 silkworm pupa,蚕蛹

1 The first silkworm diseases began to appear in 1845, creating an epidemic..1845年，首批桑蚕疾病开始出现，并引起了一次流行。