Emerald moth is a green and best patterns on their wings, especially they famous for their eyes usually macro photographers love to capture their eyes. Coming to this capture people call it as "monalisa moth" because of its frame like in monalisa what ever it might be your position if you see the monalisa, its look like monalisa watching you... Like wise if you see this moth from any point it's simply stare you so, people (including Google) call it as monalisa moth.