Photograph by my sister. This seems the most likely from what I have researched and I suggest it may be the Caribbean version, due to location. Would appreciate thoughts of others more knowledgeable. Its on a passionfruit vine.
Sipping tears from eye of Yellow-headed Sideneck turtle.
If my tentative ID is correct, this is a Cuba endemic and also a first for iNaturalist.org. See https://www.butterfliesofcuba.com/phoebis-avellaneda---orange-washed-sulphur.html.
possibly Heliconius elevatus