in Eterna forest 45 percent chance that you will find one
You get cascoon when you press the 'B' button on your DS system when your wurmple is about to evolve. The next time it evolves it will be a cascoon. You can not catch cascoon you must evolve it.
You can find Cascoon in the forests of Generation 3 and 4 games. Cascoon wasn't available before Generation 3.
You can find Cascoon in Pokemon Platinum at Route 205 North, Eterna Forest.
level 10 u can find a cascoon in petalburg woods on version ruby sapphire and emerald
You are able to get Dustox by evolving Cascoon. Wurmple-Silcoon-Beautifly Wurmple-Cascoon-Dustox
In Generation lll games (Emerald, Sapphire, Ruby), Cascoon can only be found in the Petalburg Woods.
You can find one in a room or pokemon locator
Cascoon evolves into Dustox.
you will have to evolve it from cascoon starting at lvl 10
Cascoon is a Bug type pokemon.
Wurmple evolves into either Cascoon or Silcoon at random. Then Cascoon and Silcoon evolve into Dustox and Beautifly respectively.
You have to evolve a cascoon in order to get a Dustox. Either catch one in the wild, or evovle a Wurmple and pray it will turn into a cascoon. It'll be fairly quick, it evolves at level 10.