are present in eastern Europe. Both belong to the
genus Saturnia and both are likely bred/raised for
the collector/hobbyist market and general fun.
Top specimen: Saturnia spini (male)
Bottom specimen: Saturnia pavoniella (male)

The 19 members of this genus are commonly named
emperor moths, although this is also used for various
close relatives in the subfamily Saturniinae.
I happen to have a soft-spot for Saturniidae in general
so, anytime that I can acquire something nice and diffrent
about them I make an effort to land at least one.