13: Weedle 15: Beedrill

Kakuna

14: Kakuna

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Yellow	Red	Blue
Walking in tall grass or a cave
Patern Bush			20% L9	20% L9
Route 2 north, towards Pewter City		+1% L7 +20% L5 +10% L5 +10% L3 +10% L5
Route 2 south, towards Viridian City		+1% L7 +20% L5 +20% L5 +10% L3
Route 24						20% L8
Route 24			4% L8	1% L8
Route 25			4% L9	1% L9
Route 25						20% L9	4% L7
Viridian Forest		+30% L3–5 +30% L3–5				40% L4–6	5% L4
Viridian Forest			10% L4–6	5% L5

Johto

	HeartGold	SoulSilver
Walking in tall grass or a cave
Ilex Forest		+20% L6 +10% L5 +10% L6 +20% L6
National Park		+20% L10 +20% L10 +10% L10 +10% L10
Route 30		+10% L4 +15% L4
Route 31		+10% L5 +15% L5

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Eterna Forest	+4% L13	+8% L12	+8% L12