Weedle locations — where to catch

In Lumiose City (Legends: Z-A)

• Bleu Sector 7 — Walk
• Jaune Sector 1 — Walk
• Jaune Sector 11 — Walk
• Jaune Sector 5 — Walk
• Jaune Sector 6 — Walk
• Magenta Sector 3 — Static Encounter
• Magenta Sector 4 — Walk
• Magenta Sector 6 — Walk
• Magenta Sector 7 — Walk
• Magenta Sector 9 — Walk
• Rouge Sector 2 — Walk
• Rouge Sector 3 — Walk
• Rouge Sector 6 — Walk
• Rouge Street — Walk
• Vert Sector 1 — Walk
• Vert Sector 2 — Walk
• Vert Sector 6 — Walk
• Vert Sector 8 — Walk
• Wild Zone 1 — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Eterna Forest — Walk
• Route 204 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Ilex Forest — Headbutt, Walk
• National Park — Walk
• Route 2 — Walk
• Route 30 — Walk
• Route 31 — Walk
• Viridian Forest — Walk

In Kanto (FireRed & LeafGreen)

• Route 2 — Walk
• Route 24 — Walk
• Route 25 — Walk
• Viridian Forest — Walk

In Sevii Islands (FireRed & LeafGreen)

• Pattern Bush — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Azalea Town — Headbutt
• Ilex Forest — Headbutt, Walk
• Lake of Rage — Headbutt
• National Park — Bug-Catching Contest, Walk
• Route 2 — Walk
• Route 26 — Headbutt
• Route 27 — Headbutt
• Route 30 — Walk
• Route 31 — Walk
• Route 34 — Headbutt
• Route 35 — Headbutt
• Route 36 — Headbutt
• Route 37 — Headbutt
• Route 38 — Headbutt
• Route 39 — Headbutt

In Kanto (Red, Blue & Yellow)

• Route 2 — Walk
• Route 24 — Walk
• Route 25 — Walk
• Viridian Forest — Walk

Other games (2)

• Let's Go, Pikachu! / Let's Go, Eevee! (Gen 7): Kanto Route 2, Viridian Forest
• X / Y (Gen 6): Kalos Route 2, Santalune Forest

Weedle — full Pokédex entry