Giant Silkmoth from South Korea:

Subject:  Moth?
Geographic location of the bug:  South Korea, Cheonan, Seonggeosan
Date: 06/30/2019
Time: 07:30 AM EDT
Your letter to the bugman:  Hello
Could you tell me if this is a moth? And what species is this please?
This was a very large insect with beautiful patterns on its wings!
Many thanks for your help.
How you want your letter signed:  Paul Scott

Giant Silkmoth: Brahmaea certhia

Dear Paul,
This Giant Silkmoth is positively stunning.  We quickly identified it as
Brahmaea certhia thanks to this Ebay posting, and we verified its identity on The Insect Collector.   Bold Systems, a more reliable source, confirms that identification.  We are quite curious about the unusual nature of the different tonalities in the underwings.  The left underwing is considerably lighter than the right side.

Giant Silkmoth: Brahmaea certhia
Thanks very much for the info. I hope to find more but considering this is the first one I have found in my three years of regular hiking in Korea, the chances might be slim.
Now I can read up about these creatures and learn a bit about them!
Thanks again!
Best wishes

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