13: Weedle 15: Beedrill

Kakuna

14: Kakuna

Kanto

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

Johto

	HeartGold	SoulSilver	Crystal	Gold	Silver
Walking in tall grass or a cave
Ilex Forest		+20% L6 +10% L5 +10% L6 +20% L6	+10% L7 +10% L7		+30% L6 +30% L5–6
National Park		+20% L10 +20% L10 +10% L10 +10% L10			+30% L10 +30% L10
Route 30		+10% L4 +15% L4			+10% L4 +15% L4–5
Route 31		+10% L5 +15% L5			+10% L5 +15% L5–6

Sinnoh

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

Unova

	Black 2	White 2	Black	White
Walking in tall grass or a cave
Route 12			10% L48
	Black 2	White 2	Black	White
Walking in dark grass
Route 12			10% L59

Kalos

	X	Y
Walking in tall grass or a cave
Santalune Forest	4% L4