POKÉDEX / NATIONAL SPECIES #012

Butterfree: weaknesses, typing and evolution

Pokédex #12 Butterfree: modern default-form Bug / Flying type weaknesses, capture-rate data and curated evolution links. This is a general series reference, not a confirmed entry in a specific game's Pokédex.

Reference facts

012National Pokédex species number
Bug / FlyingModern default-form typing
45Base capture-rate data value; not a catch probability

Capture-rate figures are internal game-data parameters and must not be read as percentages. Catch chances depend on each game's capture mechanics, conditions and modifiers. This reference does not model them.

Evolution family in this reference

Only evolution relationships confirmed by the curated species dataset are shown here. Evolution methods, levels, stones and other triggers are not supplied or guessed.

Butterfree type matchups

Against ordinary moves, Fire (2×), Electric (2×), Ice (2×), Flying (2×), Rock (4×) deal super-effective type damage. Resisted types include Grass, Fighting, Bug. Type immunities: Ground. These multipliers apply only to the base typing and ignore abilities or special forms.

4×

Quadruple weakness — Rock

2×

Super effective — Fire, Electric, Ice, Flying

1×

Neutral — Normal, Water, Poison, Psychic, Ghost, Dragon, Dark, Steel, Fairy

0.5×

Resisted — Bug

0.25×

Strongly resisted — Grass, Fighting

0×

Immune — Ground

Nearby Pokédex entries

Data sources and scope

Numbers come from the modern 18-type matchup chart. This reference does not infer particular game availability, encounter locations, base stats, move sets, abilities or the effect of special battle mechanics.

Data assembled: 2026-10-26. Independent fan reference; trademarks belong to their respective owners. No official endorsement or Pokémon art is used.