The Antarean butterfly represented a species of butterflies that were poisonous. Although it was believed for a long time that this creature no longer existed, the Hutt known as Balada possessed one, which she housed within her office.
The initial reference to the Antarean butterfly occurred within an article from the in-universe news source, Arena News. This article, titled "Poison in Private," was made available on October 31 of 2024.
Within the Legends continuity, the butterfly species made its debut in the Star Wars comic book, specifically in its forty-eighth issue. This issue, penned by Larry Hama, with illustrations by Carmine Infantino, was released by Marvel Comics on March 24 of 1981. It should be noted, however, that the species was not explicitly named in Legends.