When it comes to fluttering insects, moths tend to get the short end of the stick in our culture. While butterflies are getting appreciated for their beauty and inspiring many a generic tattoo, moths are mostly made fun of for their bad habit of frying themselves upon porch lights.
Yet, there isn't actually that big a difference between the two kinds of species. In fact, they are all part of the same scientific family of Lepidoptera.
It's only differences in habits and anatomy that really distinguish one from the other.