Bug takes super-effective damage from Fire, Flying, Rock.

What is strong against Bug?

Fire, Flying, Rock attacks are strong against Bug.

What does Bug resist?

Bug resists Grass, Fighting, Ground.

How can I practice Bug type matchups?

Use the home quiz for general drills, open the type chart for quick lookup, and run advanced matchup quizzes focused on Bug interactions.

Bug Type Guide: Strengths & Counters

Explore the Bug type: learn its strengths, weaknesses, resistances, immunities and practical tips for VGC and Showdown ladder play.

Start here: Home Quiz · Type Chart · Advanced Matchup Quiz

What Is Bug Strong Against? Offensive Matchups

Strong against: GrassPsychicDark
Not very effective against: FireFightingPoisonFlyingGhostSteelFairy
Has no effect: None

Average Offensive Power: 97%: Bad offensively, ranking #15 of 18.

Offensive Matchup – Overview

Swarms strip Grass, unsettle Psychic calm, and bite into Dark deceit, but they burn, get swatted, succumb to toxins, miss flying prey, faze no ghosts, dent no steel, and dazzle no fairies.

Super-Effective

Grass – Caterpillars chew leaves efficiently.
Psychic – Creepy-crawlies interrupt focus.
Dark – Night-dwelling bugs hunt shadows.

Not Very Effective

Fire – Heat scorches chitin.
Fighting – Punches swat tiny foes.
Poison – Bug venom isn't effective against poison.
Flying – Prey can’t catch predators in the air.
Ghost – Insects pass through apparitions.
Steel – Mandibles can’t pierce iron.
Fairy – Sparkling magic dazzles swarms.

Practice Bug Offense Test Bug Offense

What Is Bug Weak To? Defensive Matchups

Weak to: FireFlyingRock
Resists: GrassFightingGround
Immune to: None

Average Defensive Strength: 92%: Bad defensively, ranking #14 of 18.

Defensive Matchup – Overview

Flames, birds, and falling rocks devastate fragile carapaces, yet insects shrug off leaves, dodge fists, and burrow beneath earthquakes.

Weak To

Fire – Exoskeletons char easily.
Flying – Birds snack on bugs.
Rock – Boulders crush arthropods.

Resistant To

Grass – Leaves cushion impact.
Fighting – Small size confounds punches.
Ground – Burrowing avoids tremors.

Practice Bug Defense Test Bug Defense

Uneven Matchups

Bug→Fighting0.5×
←Fighting→Bug0.5×
Bug→Poison0.5×
←Poison→Bug1×
Bug→Ground1×
←Ground→Bug0.5×
Bug→Psychic2×
←Psychic→Bug1×
Bug→Rock1×
←Rock→Bug2×
Bug→Ghost0.5×
←Ghost→Bug1×
Bug→Dark2×
←Dark→Bug1×
Bug→Steel0.5×
←Steel→Bug1×
Bug→Fairy0.5×
←Fairy→Bug1×

Related Type Guides

Learn about types Bug is weak to:

Fire Flying Rock

Types that resist Bug:

Grass Fighting Ground

Types Bug is super effective against:

Grass Psychic Dark

Full Type Chart

Type Effectiveness Chart

Interactive Battle Type Chart

DEFENSE → across columns • ATTACK ↓ down rows

Click or tap types/cells to pin details • Hover over cells for details on desktop

0×

Has no effect

0.5×

Not very effective

1×

Normal effectiveness

2×

Super effective

Matchup Details

Select a chart cell, row, or column to pin details here.

• Click on type names to highlight entire rows (attacking) or columns (defending)

• Hover over cells to see detailed effectiveness information

• Chart based on rules effective since 2013

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