QUOTE(frogfish @ May 20 2006, 07:48 PM) [snapback]1197855[/snapback]
True, but these are indeed moths. A kind of Day moth.
No sorry they are indeed a butterfly.
QUOTE
Greta oto is one of a number of similar transparent winged butterflies. It comes from central America, and is found from Mexico to Panama. It is quite common in its zone, but it not easy to find because of its transparent wings, which is a natural camouflage mechanism.
Family: Nymphalidae
Genus: Ithomiinae
Latin name: Greta oto
Common name: The Glasswing
LINKAmazing what you can to with a little google.