Pedzisa mutsara unotevera: Kuchinja kwakaita Diocletian Tetrarchy muna 296 kwakaita kuti hurongwa hwehurumende yeCyrenaica huchinje. Yakanga yakakamurwa kuva mapurovhinzi maviri: Libya Superior kana kuti Libya Pentapolis, yaibatanidza Pentapolis yambotaurwa, neKirene somuzinda, uye Libya Inferior kana kuti Libya sicca, Marmarica, iyo panguva iyoyo yakanga yawana guta rinokosha, chiteshi chengarava cheParaetonium. Rimwe nerimwe raitungamirirwa nagavhuna aiva nechinzvimbo chiduku che"praeses". Ose ari maviri aiva eDhiocese yeOrient, ine dzimbahwe rayo muAntiokia muSiria, uye kubva muna 370, kuDhiocese yeEgypt, mukati mepurovhinzi yeOriens. Muvakidzani wayo wokumadokero Tripolitania, kupatsanuka kukuru kubva kuAfrica proconsularis, yakava rutivi rweDhiocese yeAfrica, iri pasi pechiremera che "Italia et Africa". Kutevera
Kudengenyeka kweKrete kwa 365, dzimbahwe rakaendeswa kuPtolemais. Pashure pokuparadzaniswa kwoUmambo, Cyrenaica yakava rutivi rwoUmambo hweRoma HwokuMabvazuva (Byzantine Empire), hwakaganhurana neTripolitania. Kwenguva pfupi yakanga iri rutivi rwoUmambo hweVandal kumadokero, kutozosvikira yakundwazve naBelisarius muna 533.