glasswinged butterfly (greta oto) is a brush-footed butterfly where its wings are transparent. the tissue between the veins of its wings looks like glass. they are found in the range which extends throughout central america into mexico.
Interesting: Scientist Mohamed Babu from Mysore, India captured beautiful photos of these translucent ants eating a specially colored liquid sugar. Some of the ants would even move between the food resulting in new color combinations in their stomachs.