Perisomena caecigena, the autumn emperor moth, is a moth of the family Saturniidae. The species was first described by Franz Josef Kupido in 1825. It is found in Italy (east of Venice near the Croatian border) and then from south-eastern Austria through Hungary, Slovenia, Croatia, Serbia, Albania, the western Ukraine, Romania, Bulgaria and Greece to most of Turkey and the Caucasus Mountains of the Republic of Georgia, Armenia and Azerbaijan. There is also an isolated population in the mountains of Lebanon and Israel. Subspecies stroehlei is endemic to the Troodos Mountains of Cyprus.