Where to catch Venomoth

In Paldea (Scarlet & Violet)

• Area Zero — Walk
• Casseroya Lake — Walk
• North Province (Area Two) — Walk
• Tagtree Thicket — Walk

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Savanna Biome — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 10 — Walk
• Route 13 — Walk
• Route 14 — Walk
• Route 15 — Walk
• Route 24 — Walk
• Route 25 — Walk
• Route 43 — Walk
• Route 9 — Walk

In Kanto (Red, Blue & Yellow)

• Cerulean Cave — Walk
• Route 14 — Walk
• Route 15 — Walk
• Safari Zone — Walk

Venomoth — full Pokédex entry