Rosie is a protagonist from the 1998 Disney/Pixar movie, A Bug's Life. She is a black widow spider, who originally worked for P.T. Flea's circus, as a rhinocerous tamer with her partner the rhinocerous beetle Dim. But she, along with the other circus bugs are fired after they accidently burn P.T. She, along with the other fired bugs, are recruted by Flik who mistakingly thought they were warriot bugs, and would be able to help his colony fight off Hopper and the grasshoppers. Rosie can be very motherly towards her circus friends, especially with Dim with whom she shares an act. She is also very motherly towards some young ants. She sees her circus friends as her only an true family.
Rosie is voiced by Bonnie Hunt.