The Glasswinged butterfly (Greta oto) is a beautiful brush-footed butterfly and is a member of the: subfamily Danainae, tribe Ithomiini, subtribe Godyridina. Greta oto adults exhibit a number of interesting behaviors, such as long migrations and gathering of males for competitive mating displays. The wings are translucent, with a wingspan of 5.6 to 6.1 cm (2.2 to 2.4 in). Its most common English name is glasswinged butterfly, and its Spanish name is “espejitos”, which means “little mirrors.”
The Glasswinged butterfly gets its name because the tissue between the veins of its wings looks like glass, as it lacks the colored scales found in other butterflies.