The Largest Moth in the world is Attacus Atlas. It is found in Austrailia and New Guinea. The Giant Atlas Moth can be mistaken for a medium-sized bat when flying. Atlas moths have the largest wing surface area of all moths andthe markings on the moth’s front wingtips resemble a snake’s head and may scare away predators.

Great Owlet Moths (Thysania agripinna) of South America have females with a wingspan that measures up to 12 inches. Owlet Moths, or Noctuids (Noctuidae), are part of a gigantic family of moths with some specimens on record with an amazing 18 inch wing span. The comet moth (argema mittrei) has the longest tails of any Moth or butterfly, with the tails sometimes exceeding 12 inches or more.