49: Venomoth 51: Dugtrio

Diglett

50: Diglett

Kanto

	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Walking in tall grass or a cave
Diglett's Cave	50% L13–17 +40% L15–19	50% L13–17 +40% L15–19	95% L15–22	95% L15–22	+90% L3–24 +90% L2–16 +90% L4–32	90% L13–19	90% L13–19	95% L15–22	95% L15–22	95% L15–22
	HeartGold	SoulSilver	FireRed	LeafGreen	Crystal	Gold	Silver	Yellow	Red	Blue
Smashing rocks
Vermilion City	90% L24–37	90% L24–37

Johto

	HeartGold	SoulSilver
Walking in tall grass or a cave
Route 48	4% L20	4% L20

Sinnoh

	Platinum	Diamond	Pearl
Walking in tall grass or a cave
Route 228	1% L49 +4% L49 +4% L49 +4% L49 +4% L49 +4% L49	+1% L25 +4% L23 +4% L23 +4% L23 +4% L23 +4% L23	+1% L25 +4% L23 +4% L23 +4% L23 +4% L23 +4% L23