Evolving Pokémon in Pokémon GO often follows a straightforward path: collect the necessary candies and initiate the evolution. However, Wurmple, the diminutive Bug-type from the Hoenn region, presents a unique challenge with its branching evolutionary line. Trainers aiming to evolve Wurmple into Cascoon—and subsequently into Dustox—may find the process a bit perplexing. This guide aims to demystify Wurmple’s evolution and provide strategies to achieve the desired outcome.

Wurmple can evolve into two different cocoon-like forms: Silcoon or Cascoon. This initial evolution is pivotal, as it determines the final form:

• Silcoon evolves into the elegant, butterfly-like Beautifly.
• Cascoon transforms into the moth-like Dustox.

Both evolutionary paths commence with Wurmple, but the route it takes appears to be random.

Initiating the First Evolution: Wurmple to Cascoon

To evolve Wurmple into either Silcoon or Cascoon, you’ll need 12 Wurmple Candies. Upon evolution, the outcome—Silcoon or Cascoon—is determined randomly, with an equal 50% chance for each form. Unlike certain other Pokémon evolutions in the game, there are no known methods to influence this outcome; factors such as time of day, Wurmple’s gender, or using specific items do not sway the result.

From Cascoon to Dustox

If your Wurmple evolves into Cascoon, you’re on the path to obtaining Dustox. Evolving Cascoon into Dustox requires an additional 50 Wurmple Candies. This stage of evolution is straightforward and guaranteed—Cascoon will always evolve into Dustox.

Strategies to Obtain Cascoon and Dustox

Given the randomness of Wurmple’s initial evolution, acquiring both evolutionary lines may require patience and strategy:

• Catch Multiple Wurmple: Since Wurmple is relatively common, especially in areas like parks or during certain events, aim to catch multiple specimens. This increases your chances of evolving one into Cascoon.
  
• Use Pamin Berries: Employing Pinap Berries when catching Wurmple doubles the amount of Candy received, accelerating the accumulation needed for multiple evolutions.
  
• Participate in Events: Keep an eye out for in-game events that boost Bug-type spawns or offer bonuses like reduced evolution costs. These events provide ample opportunities to catch and evolve Wurmple.
  
• Utilize Incense and Lures: Using Incense or placing Lure Modules at PokéStops can increase Wurmple encounters, especially in areas where they are less common.
  

Shiny Variants and Other Considerations

For trainers interested in Shiny hunting, Wurmple and its evolutions do have Shiny variants. Shiny Wurmple sports a purple hue instead of its usual red. Evolving a Shiny Wurmple follows the same random pattern, so obtaining both Shiny Beautifly and Shiny Dustox will require multiple Shiny Wurmple and some luck.