Georgic. ii. 121. Serica quando venerint in usum planissime non acio: 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.