Wurmple

#265 in the HeartGold & SoulSilver Pokédex • Worm Pokémon

Normal

Shiny

Linoone Silcoon

Pokédex entries

HeartGold

It lives among the tall grass and in forests. It repels attacks by raising up the spikes on its rear.

SoulSilver

It lives among the tall grass and in forests. It repels attacks by raising up the spikes on its rear.

Details

Type

Weak to

2×

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

Pokédexes	-
EV yield	1 HP
Catch rate	255
Base Exp.	54

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Bug
Gender	50% male 50% female
Egg cycles	15 (4,080 nominal steps) Normal-day estimate. Hatch-check timing, certain calendar dates, and Flame Body or Magma Armor can change the steps needed.

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Wurmple #265	Level 7 or higher; the branch is fixed by Wurmple’s personality value (Silcoon branch).	Silcoon #266
Silcoon #266	Level 10	Beautifly #267
Wurmple #265	Level 7 or higher; the branch is fixed by Wurmple’s personality value (Cascoon branch).	Cascoon #268
Cascoon #268	Level 10	Dustox #269

Encounters

Known encounter locations for this Pokémon in this game.

HeartGold

Location	Method	Level	Chance	Conditions
Route 1	Headbutting a tree	2-3	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 1	Headbutting a tree	5-6	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (south, towards Viridian City)	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (south, towards Viridian City)	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 3	Headbutting a tree	6-7	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 3	Headbutting a tree	9-10	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 4	Headbutting a tree	6-7	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 4	Headbutting a tree	9-10	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 12	Headbutting a tree	22-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 12	Headbutting a tree	24-25	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 13	Headbutting a tree	22-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 13	Headbutting a tree	24-25	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 14	Headbutting a tree	26-27	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 14	Headbutting a tree	29-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 15	Headbutting a tree	21-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 15	Headbutting a tree	24-26	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 18	Headbutting a tree	26-27	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 18	Headbutting a tree	29-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 22	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 22	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Cinnabar Island	Headbutting a tree	2-3	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Cinnabar Island	Headbutting a tree	5-6	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Viridian City	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Viridian City	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	3-5	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	7-9	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	5-9	65%	Secret native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Fuchsia City	Headbutting a tree	21-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Fuchsia City	Headbutting a tree	26-34	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Sea Route 21 Route 21	Headbutting a tree	24-26	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Sea Route 21 Route 21	Headbutting a tree	27-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (north, towards Pewter City)	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (north, towards Pewter City)	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
National Park	Bug-Catching Contest	24-36	20%	Active Bug-Catching Contest on Thursday; National Pokédex obtained. Contest permits one retained catch.
National Park	Bug-Catching Contest	24-36	20%	Active Bug-Catching Contest on Saturday; National Pokédex obtained. Contest permits one retained catch.
Pokéwalker Pokéwalker: Hoenn Field	Pokéwalker (selected candidate group)	15	-	Course unlocked at 5,000 cumulative watts; National Pokédex also required. Group C candidate; one of the two candidates in each group is selected for the outing. At least 0 daily steps (25% fewer with an advantageous type);, species and group encounter probabilities depend on selection and steps. Fixed moves: tackle, string shot, poison sting, bug bite.

SoulSilver

Location	Method	Level	Chance	Conditions
Route 1	Headbutting a tree	2-3	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 1	Headbutting a tree	5-6	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (south, towards Viridian City)	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (south, towards Viridian City)	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 3	Headbutting a tree	6-7	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 3	Headbutting a tree	9-10	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 4	Headbutting a tree	6-7	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 4	Headbutting a tree	9-10	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 12	Headbutting a tree	22-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 12	Headbutting a tree	24-25	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 13	Headbutting a tree	22-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 13	Headbutting a tree	24-25	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 14	Headbutting a tree	26-27	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 14	Headbutting a tree	29-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 15	Headbutting a tree	21-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 15	Headbutting a tree	24-26	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 18	Headbutting a tree	26-27	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 18	Headbutting a tree	29-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 22	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 22	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Cinnabar Island	Headbutting a tree	2-3	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Cinnabar Island	Headbutting a tree	5-6	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Viridian City	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Viridian City	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	3-5	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	7-9	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Pewter City	Headbutting a tree	5-9	65%	Secret native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Fuchsia City	Headbutting a tree	21-23	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Fuchsia City	Headbutting a tree	26-34	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Sea Route 21 Route 21	Headbutting a tree	24-26	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Sea Route 21 Route 21	Headbutting a tree	27-30	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (north, towards Pewter City)	Headbutting a tree	3-4	20%	Common native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
Route 2 Route 2 (north, towards Pewter City)	Headbutting a tree	5-7	20%	Rare native Headbutt tree table; facing-tree coordinates and Trainer ID determine whether this table is selected.
National Park	Bug-Catching Contest	24-36	20%	Active Bug-Catching Contest on Thursday; National Pokédex obtained. Contest permits one retained catch.
National Park	Bug-Catching Contest	24-36	20%	Active Bug-Catching Contest on Saturday; National Pokédex obtained. Contest permits one retained catch.
Pokéwalker Pokéwalker: Hoenn Field	Pokéwalker (selected candidate group)	15	-	Course unlocked at 5,000 cumulative watts; National Pokédex also required. Group C candidate; one of the two candidates in each group is selected for the outing. At least 0 daily steps (25% fewer with an advantageous type);, species and group encounter probabilities depend on selection and steps. Fixed moves: tackle, string shot, poison sting, bug bite.

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Tackle	Physical	35	95	35	A physical attack in which the user charges and slams into the foe with its whole body.
Start	String Shot	Status	-	95	40	The foe is bound with silk blown from the user’s mouth. It reduces the target’s Speed stat.
5	Poison Sting	Physical	15	100	35	The foe is stabbed with a poisonous barb of some sort. It may also poison the target.
15	Bug Bite	Physical	60	100	20	The user bites the foe. If the foe is holding a Berry, the user eats it and gains its effect.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Bug Bite	Physical	60	100	20	The user bites the foe. If the foe is holding a Berry, the user eats it and gains its effect.
Snore	Special	40	100	15	An attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch.
String Shot	Status	-	95	40	The foe is bound with silk blown from the user’s mouth. It reduces the target’s Speed stat.

Traits

Ability options available to this Pokémon in this game.

Shield Dust

Ability Slot 1

Blocks the added effects of attacks taken.

Protects against incoming moves' extra effects.

#264

Linoone

#266

Silcoon

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