Eastern Russia, China, Korea and Japan
in between 7 and 10 cm.
depends on the temperature, 1 to 4 flights annually. In captivity quite often two flights.
Very easy, suitable for newcomers. Keep in (spacious) well ventilated plastic containers, in a netted cage or sleeved outdoors on a living willow.. Fast growing and ready to pupate within four weeks. Keep the pupae in the fridge to overwinter.