Wurmple locations — where to catch

In Hisui (Legends: Arceus)

• Aspiration Hill — Walk
• Floaro Gardens — Walk
• Horseshoe Plains — Walk
• The Heartwood — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Eterna Forest — Honey Tree, Walk
• Floaroma Meadow — Honey Tree
• Fuego Ironworks — Honey Tree
• Route 204 — Walk
• Route 205 — Honey Tree, Walk
• Route 206 — Honey Tree
• Route 207 — Honey Tree
• Route 208 — Honey Tree
• Route 209 — Honey Tree
• Route 210 — Honey Tree
• Route 211 — Honey Tree
• Route 212 — Honey Tree
• Route 213 — Honey Tree
• Route 214 — Honey Tree
• Route 215 — Honey Tree
• Route 218 — Honey Tree
• Route 221 — Honey Tree
• Route 222 — Honey Tree
• Valley Windworks — Honey Tree

In Johto & Kanto (HeartGold & SoulSilver)

• Fuchsia City — Headbutt
• National Park — Walk
• Pallet Town — Headbutt
• Pewter City — Headbutt
• Route 1 — Headbutt
• Route 12 — Headbutt
• Route 13 — Headbutt
• Route 14 — Headbutt
• Route 15 — Headbutt
• Route 18 — Headbutt
• Route 2 — Headbutt
• Route 22 — Headbutt
• Route 3 — Headbutt
• Route 4 — Headbutt
• Sea Route 21 — Headbutt
• Viridian City — Headbutt

In Hoenn (Ruby, Sapphire & Emerald)

• Petalburg Woods — Walk
• Route 101 — Walk
• Route 102 — Walk
• Route 104 — Walk

Other games (3)

• Brilliant Diamond / Shining Pearl (Gen 8): Eterna Forest, Floaroma Meadow, Fuego Ironworks, Route 205, Route 206, Route 207, Route 208, Route 209, Route 210, Route 211, Route 212, Route 213, Route 214, Route 215, Route 218, Route 221, Route 222, Valley Windworks
• Omega Ruby / Alpha Sapphire (Gen 6): Route 101, Route 102, Route 104, Petalburg Woods
• Black / White (Gen 5): White Forest

Wurmple — full Pokédex entry