found alongside a wide track, on gum tree
It's in the same genus as an atlas moth but it seems a bit small. Southern philippines
Very fascinating how big they are.
San Diego County, California, US
ID on bugguide.net was probable Callosamia, but I don't know the species.
Update 3 PM on March 2: identified on bugguide.net as Callosamia promethea
Mariposa Nocturna, Estación Ixcán, Selva Lacandona, Chiapas, México.