A rare, and mysterious moth has made its way to Georgia just in time for spooky season. ---the Black Witch Moth is the largest moth in the United States and is large with a wingspan up to 7 inches long. The moth has pointed wings and is often mistaken for a bat. Wildlife officials say although the moth looks creepy, it's harmless to humans. Seeing a Black Witch Moth carries significance in different cultures, ranging from good fortune to death.