After the battle of Pharsalus, he was commissioned to transport some recently levied troops to Illyricum.
In the civil war between Caesar and Pompey Pollio sided with Caesar, was present at the battle of Pharsalus (48), and commanded against Sextus Pompeius in Spain, where he was at the time of Caesar's assassination.
On the outbreak of the civil war, DeIotarus naturally sided with his old patron Pompey, and after the battle of Pharsalus escaped with him to Asia.
From the defeat at Pharsalus, to which he had contributed by affecting to despise his late comrades, he fled to Corcyra, and thence to Africa.
After the battle of Pharsalus, Lentulus escaped to Rhodes, where he was at first refused admission, although he subsequently found an asylum there (Cicero, Ad Att.