Arielle was a trainer of six Ledyba, whom she trained to spread pollen to an apple orchard using a whistle she inherited. However, Team Rocket took off with her whistle and the Ledyba disappeared. With the heroes' help, she saw that she did not need any whistle and managed to retrieve Ledyba back.
Arielle used a whistle to command her Ledyba to pollinate an apple nearby apple orchard. She has six of these Pokémon.