Saturniidae of Palau
"Palau, sometimes spelled Belau or Pelew, officially the Republic of Palau (Palauan: Beluu er a Belau), is an island country located in the western
Pacific Ocean. Geographically part of the larger island group of Micronesia, with the country's population of
around 21,000 people spread out over 250 islands forming the western chain of the Caroline Islands. The islands share maritime boundaries with
Indonesia, the Philippines, and the Federated States of Micronesia. The most populous island in the group is Koror, with the capital city,
Ngerulmud, located on nearby Babeldaob."
I found reference to a postage stamp from Palau, featuring an image of Coscinocera hercules.
Perhaps that species can be found on the Island. it might also be found on Marshall Islands which are also a part of Micronesia.

Coscinocera hercules
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