Body about 2 inches (5 cm) long. Hundreds were dying en masse.
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My comment 'Not known if there is one' was entered in the English name field. Sorry, it does look rather odd in front of the scientific name above!!
It looks very similar - wingspan should be around 9cm. Common English name, if it can be said to have one, would be Giant Uranid Moth.
Thanks - this ID was very helpful. Have you any idea why there would be so many, all dying together?
It's not a species I know a lot about, but I think they emerge en masse to coincide with particular flowering (I could be wrong) - that would explain large numbers being present, but not why they die at one, unless they are ephemeral as adults (like mayflies) or there was an external factor,
Lat/Lng: 23.2, 100.0