Qoraalka faahfaahsan ee faqradan - Inta lagu jiray Boqortooyadii Arsacid, Darbiga Weyn ee Gorgan, taxane ah qalcado iyo barxado hor leh oo ku yaal bannaanka Hyrcania, ayaa loo dhisay inay ka caawiyaan difaaca Hyrcania weerarada ay qaadeen qabiilooyinka deriska ah ee Dahae. Bilowgii Dagaalkii Roman-Parthian ee 58-63
, kacdoon ayaa ka qarxay Hyrcania kacdoonka ayaa ergo u diray Emperor Nero iyagoo weydiisanaya caawimaad. kacdoonka wuxuu socday ilaa 60 AD markii Vologases I uu si deg deg ah heshiis nabadeed ula gaaray kacdoonka si uu ugu oggolaado inuu wax ka qabto halista ka imaaneysa Roomaanka. Si kastaba ha noqotee, heshiiskii nabadda ma uusan sii socon oo Hyrcanians waxay bilaabeen kacdoon kale oo sii socday illaa ugu yaraan 75 AD. Sanadkii 75 AD, mucaaradka Hyrcanian waxay la midoobeen qabiilooyinka reer guuraa ee Alan waxayna u oggolaadeen inay si nabad ah uga gudbaan Hyrcania ilaa Media, taasoo u oggolaaneysa Alans inay boobaan Media iyo Armenia. Waqtigii uu boqorka ka ahaa Antoninus Pius (138-161), Hyrcania waxay iskeed isu samaysay madaxbannaan mana loo tixgelin qayb ka mid ah Boqortooyadii Arsacid. Hyrcania waxaa lagu xusay Li-chien (ama Li-kan, 黎幹) qarnigii 2aad ee AD Book of Han.