Grubbin in Pokémon Ultra Sun & Ultra Moon

#34 in the Ultra Sun & Ultra Moon Pokédex • Larva Pokémon

Grubbin in the National Pokédex

Normal

Shiny

Totem Gumshoos Charjabug

Pokédex entries

Ultra Sun

If you find its nest, you shouldn’t stick your hand inside. You’ll get bitten by an irritated Grubbin.

Ultra Moon

It spits a sticky thread to stop opponents in their tracks, and then it grabs them in its sharp, sturdy mandibles to take them down.

Pokémon details

Type

Grubbin in Other Games

National Dex page

Pokémon GO Sun & Moon Sword & Shield Scarlet & Violet

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

204

298

Attack

116

245

Defense

207

Sp. Atk

103

229

Sp. Def

207

Speed

210

Total

300

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Type-only matchups for Grubbin, sorted from worst weakness to best resistance. Abilities, held items and battle conditions can change the damage taken.

Weak to

2×

2×

2×

Resists

0.5×

0.5×

0.5×

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

Pokédexes	Alola #34Melemele #34Akala #11Ula'ula #12
EV yield	1 Atk
Catch rate	255
Base Exp.	60

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

Egg groups	Bug
Gender	50% male 50% female
Egg cycles	15

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Grubbin #34	Level 20	Charjabug #35
Charjabug #35	Level up in the special magnetic field at Blush Mountain or Vast Poni Canyon.	Vikavolt #36

Known encounter locations for this Pokémon in this game.

Ultra Moon

Location	Method	Level	Chance	Conditions
Route 5	Walking in tall grass or a cave	18-21	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here.
Route 5	Walking in tall grass or a cave	13-16	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here.
Route 6	Walking in tall grass or a cave	14-17	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here., Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 1 Route 1 — Main Area	Walking in tall grass or a cave	2-3	15%	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 6	Walking in tall grass or a cave	14-17	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here., Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 4	Walking in tall grass or a cave	11-14	10%	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 1 Route 1 — Main Area	Walking in tall grass or a cave	2-3	15%	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 4	Walking in tall grass or a cave	11-14	10%	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Blush Mountain	SOS ally encounter	29-32	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of charjabug; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 97%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 1 Route 1 — Main Area	SOS ally encounter	2-3	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 5	SOS ally encounter	18-21	-	SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 6	SOS ally encounter	14-17	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 5	SOS ally encounter	13-16	-	SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 6	SOS ally encounter	14-17	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 4	SOS ally encounter	11-14	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 1 Route 1 — Main Area	SOS ally encounter	2-3	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 4	SOS ally encounter	11-14	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.

Ultra Sun

Location	Method	Level	Chance	Conditions
Route 6	Walking in tall grass or a cave	14-17	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here., Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 6	Walking in tall grass or a cave	14-17	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here., Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 4	Walking in tall grass or a cave	11-14	10%	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 1 Route 1 — Main Area	Walking in tall grass or a cave	2-3	15%	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 5	Walking in tall grass or a cave	13-16	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here.
Route 1 Route 1 — Main Area	Walking in tall grass or a cave	2-3	15%	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 5	Walking in tall grass or a cave	18-21	-	Encounter pools vary between sections of this map; the exact subarea percentage is unspecified here.
Route 4	Walking in tall grass or a cave	11-14	10%	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock.
Route 5	SOS ally encounter	18-21	-	SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 4	SOS ally encounter	11-14	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 5	SOS ally encounter	13-16	-	SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 6	SOS ally encounter	14-17	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 1 Route 1 — Main Area	SOS ally encounter	2-3	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Blush Mountain	SOS ally encounter	29-32	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of charjabug; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 97%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 6	SOS ally encounter	14-17	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 4	SOS ally encounter	11-14	-	Daytime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.
Route 1 Route 1 — Main Area	SOS ally encounter	2-3	-	Nighttime in the current game world. Ultra Moon’s normal-world clock is shifted by 12 hours relative to the system clock., SOS ally of grubbin; requires a successful call for help., Unlike original Sun/Moon, the SOS chain counter stops at 255; bonuses remain instead of rolling over to the initial rates., Ally-selection proportions apply after a successful SOS call; they are not the chance of an ordinary encounter or a successful response., Published conditional ally-selection table: 100%. Calling and response chances are separate., Ordinary SOS becomes available after Ilima’s trial. USUM wild Pokémon summon only one ally per battle without an Adrenaline Orb; trial/Totem exceptions are separate.

Moves this Pokémon learns naturally by reaching specific levels.


Start	Vise Grip The target is gripped and squeezed from both sides to inflict damage.	55	100	30
4	String Shot The opposing Pokémon are bound with silk blown from the user’s mouth that harshly lowers the Speed stat.	-	95	40
7	Mud-Slap The user hurls mud in the target’s face to inflict damage and lower its accuracy.	20	100	10
10	Bite The target is bitten with viciously sharp fangs. This may also make the target flinch.	60	100	25
13	Bug Bite The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.	60	100	20
16	Spark The user throws an electrically charged tackle at the target. This may also leave the target with paralysis.	65	100	20
19	Acrobatics The user nimbly strikes the target. If the user is not holding an item, this attack inflicts massive damage.	55	100	15
22	Crunch The user crunches up the target with sharp fangs. This may also lower the target’s Defense stat.	80	100	15
25	X-Scissor The user slashes at the target by crossing its scythes or claws as if they were a pair of scissors.	80	100	15
28	Dig The user burrows, then attacks on the next turn.	80	100	10

Moves this Pokémon can learn from Technical Machines in Pokémon Ultra Sun and Ultra Moon.


TM06	Toxic A move that leaves the target badly poisoned. Its poison damage worsens every turn.	-	90	10
TM10	Hidden Power A unique attack that varies in type depending on the Pokémon using it.	60	100	15
TM16	Light Screen A wondrous wall of light is put up to reduce damage from special attacks for five turns.	-	-	30
TM17	Protect Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.	-	-	10
TM18	Rain Dance The user summons a heavy rain that falls for five turns, powering up Water-type moves. It lowers the power of Fire-type moves.	-	-	5
TM21	Frustration This full-power attack grows more powerful the less the user likes its Trainer.	-	100	20
TM24	Thunderbolt A strong electric blast crashes down on the target. This may also leave the target with paralysis.	90	100	15
TM27	Return This full-power attack grows more powerful the more the user likes its Trainer.	-	100	20
TM32	Double Team By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.	-	-	15
TM42	Facade This attack move doubles its power if the user is poisoned, burned, or paralyzed.	70	100	20
TM44	Rest The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.	-	-	10
TM45	Attract If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.	-	100	15
TM48	Round The user attacks the target with a song. Others can join in the Round to increase the power of the attack.	60	100	15
TM57	Charge Beam The user attacks with an electric charge. The user may use any remaining electricity to raise its Sp. Atk stat.	50	90	10
TM62	Acrobatics The user nimbly strikes the target. If the user is not holding an item, this attack inflicts massive damage.	55	100	15
TM72	Volt Switch After making its attack, the user rushes back to switch places with a party Pokémon in waiting.	70	100	20
TM73	Thunder Wave The user launches a weak jolt of electricity that paralyzes the target.	-	90	20
TM81	X-Scissor The user slashes at the target by crossing its scythes or claws as if they were a pair of scissors.	80	100	15
TM84	Poison Jab The target is stabbed with a tentacle or arm steeped in poison. This may also poison the target.	80	100	20
TM87	Swagger The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.	-	85	15
TM88	Sleep Talk While it is asleep, the user randomly uses one of the moves it knows.	-	-	10
TM90	Substitute The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.	-	-	10
TM93	Wild Charge The user shrouds itself in electricity and smashes into its target. This also damages the user a little.	90	100	15
TM100	Confide The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.	-	-	20

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


Bug Bite The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.	60	100	20
Electroweb The user attacks and captures opposing Pokémon using an electric net. This lowers their Speed stat.	55	95	15
Magnet Rise The user levitates using electrically generated magnetism for five turns.	-	-	10
Shock Wave The user strikes the target with a quick jolt of electricity. This attack never misses.	60	-	20
Snore This attack can be used only if the user is asleep. The harsh noise may also make the target flinch.	50	100	15

Moves this Pokémon can inherit through breeding or similar methods.


Electroweb The user attacks and captures opposing Pokémon using an electric net. This lowers their Speed stat.	55	95	15
Endure The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.	-	-	10
Harden The user stiffens all the muscles in its body to raise its Defense stat.	-	-	30
Mud Shot The user attacks by hurling a blob of mud at the target. This also lowers the target’s Speed stat.	55	95	15

Ability options available to this Pokémon in this game.

Swarm

Ability Slot 1

Powers up Bug-type moves when the Pokémon’s HP is low.

Strengthens Bug-type moves to inflict 1.5× damage at 1/3 max HP or less.

#14

Totem Gumshoos

#35

Charjabug

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Grubbin in Pokémon Ultra Sun & Ultra Moon

Pokédex entries

Pokémon details

Grubbin in Other Games

Base Stats

Grubbin Type Chart

Weak to

Resists

Training

Breeding

Evolution Chart

Locations

Level-Up Moves

TM Moves

Move Tutor Moves

Egg Moves

Abilities