Georgic. ii. 121. Serica quando venerint in usum
planissime non scio: suspicor tamen in Julii Caesaris aevo, nam
ante non invenio, says Justus Lipsius, (Excursus i. ad Tacitus
Annals ii. 32.)
See Dion Cassius, (l. xliii. p. 358, edit. Reimar,) and Pausanius, (l. vi. p. 519,) the first who describes, however strangely, the Seric insect.