Flavius Syagrius (consul 381), Roman consul in 381 Afranius Syagrius, Roman consul in 382. Syagrius (430 – 486 or 487) Roman official of the Gallo-Roman enclave of Soissons after the collapse of Western Roman empire. Saint Syagrius of Autun (died 600), bishop of Autun , a bishop of Verona 360. Syagrius (beetle), a genus of insects in the family Curculionidae