Because rocks can easily crush insects.
The Pokemon that are weak to bug Pokemon are Pokemon that are the grass, poison, or psychic type.
Bug type Pokemon are weak against Fire, Fighting, and Flying. Not fighting there not weak against fighting types, there weak against Fire, Flying and Rock.
Venomoth is a Bug-Poison Pokémon. He's weak against Fire, Pshychic and Rock.
In Generation I, Bug Pokemon were weak to Fire, Flying, Poison and Rock types. In Generation II and onward, they are weak to Fire, Flying and Rock types.Bug Pokemon are resistant against Fighting, Grass and Ground types in all generations.
Sidney (Dark type user) 1. Mightyena- weak to Fighting and Bug 2. Absol- weak to Fighting & Bug 3. Shiftry- weak to Fire, Ice, Fighting, Poison, Flying and Bug 4. Cacturne- weak to Fire, Ice, Fighting, Poison, Flying and Bug 5. Crawdaunt- weak to Electric, Grass, Fighting and Bug -------------------------------------------------------------------------------------------------------------- Pheobe (Ghost type user) 1. Dusclops- weak to Ghost & Dark 2. Dusclops- weak to Ghost & Dark 3. Banette- weak to Ghost & Dark 4. Banette- weak to Ghost & Dark 5. Sableye- No real weaknesses -------------------------------------------------------------------------------------------------------------- Glacia (Ice type user) 1. Sealeo- weak to Electric, Grass, Fight and Rock 2. Sealeo- weak to Electric, Grass, Fighting and Rock 3. Walrein- weak to Electric, Grass, Fighting and Rock 4. Glalie- weak to Fire, Steel, Fighting and Rock 5. Glalie- weak to Fire, Steel, Fighting and Rock --------------------------------------------------------------------------------------------------------- Drake (Dragon type user)1. Shelgon- weak to Ice & Dragon 2. Flygon- weak to Dragon and Ice 3. Altaria- weak to Rock, Dragon & Ice4. Salamence- weak to Rock, Dragon & Ice 5. Kingdra- weak to Dragon -------------------------------------------------------------------------------------------------------------- Champion Wallace (Water type user) 1. Wailord- weak to Electric & Grass 2. Milotic- weak to Electric & Grass 3. Tentacruel- weak to Electric, Psychic and Ground 4. Ludicolo- weak to Poison, Flying and Bug 5. Gyrados- weak to Rock and Electric 6. Whiscash- weak to Grass
1. Houndoom- weak to Water, Ground, Rock and Fighting 2. Crobat- weak to Electric, Ice, Rock and Psychic 3. Gyrados- weak to Electric and Rock 4. Honchkrow- weak to Electric, Ice and Rock 5. Weavile- weak to Fighting, Fire, Bug, Rock and Steel
It is weak against water, grass, ground, bug, ghost, dark and steel. It have ability levitate and ground type can not him him.
Bug Pokemon are weak against: Fire type moves, Rock Type moves and Flying Type moves.
Okay, so here are all of the types of Pokémon and what they are weak and strong against. Normal - WEAK TO: Fighting STRONG TO: None NO EFFECT: Ghost Fire - WEAK TO: Water, Ground & Rock STRONG TO: Grass, Ice, Bug & Steel Water - WEAK TO: Electric & Grass STRONG TO: Fire, Ground & Rock Electric - WEAK TO: Ground STRONG TO: Water & Flying NO EFFECT: Ground Grass - WEAK TO: Fire, Ice, Poison & Bug STRONG TO: Water, Ground & Rock Ice - WEAK TO: Fire, Fighting, Rock & Steel STRONG TO: Grass, Ground, Flying & Dragon Fighting - WEAK TO: Flying & Psychic STRONG TO: Normal, Ice, Rock, Dark & Steel NO EFFECT: Ghost Poison - WEAK TO: Ground & Psychic STRONG TO: Grass NO EFFECT: Steel Ground - WEAK TO: Water, Grass & Ice STRONG TO: Fire, Electric, Poison, Rock & Steel NO EFFECT: Flying Flying - WEAK TO: Electric, Ice & Rock STRONG TO: Grass, Fighting & Bug Psychic - WEAK TO: Bug, Ghost & Dark STRONG TO: Fighting & Poison NO EFFECT: Dark Bug - WEAK TO: Fire, Flying & Rock STRONG TO: Grass, Psychic & Dark Rock - WEAK TO: Water, Grass, Fighting, Ground & Steel STRONG TO: Fire, Ice, Flying & Bug Ghost - WEAK TO: Ghost & Dark STRONG TO: Psychic & Dark NO EFFECT: Normal Dragon - WEAK TO: Ice, Dragon & Fairy STRONG TO: Dragon Dark - WEAK TO: Fighting & Bug STRONG TO: Psychic & Ghost Steel - WEAK TO: Fire, Fighting & Ground STRONG TO: Ice & Rock Fairy (This is a newly added type in the new game, Pokémon X & Y!) - All we know is that Fairy type is strong against Dragon. Hope this Helps! ;)
fire: effective against: steel, grass, bug, ice Weak against: Dragon, water, fire, rock Water: Effective against: rock, ground, fire Weak against: water, grass, ice, dragon Grass: Effective against: water, ground, rock Weak against: grass, fire Dark: Effective against: ghost, psychic Weak against: dark, fighting, rock, steel Fighting: Effective against: dark, steel, normal, ice, rock Weak against: bug, poison, flying, psychic Not-Affected: ghost Electric: Effective against: flying, water Weak against: dragon, grass, electric Not-Affected: rock, ground Ground: Effective against: poison, steel, electric, fire, rock Weak against: bug, grass Not-Affected: flying Flying: Effective against: grass, fighting, bug Weak against: electric, steel, rock Poison: Effective against: grass Weak against: ghost, rock, ground, poison Not-Affected: Steel Dragon: Effective against: dragon Weak against: steel Steel: Effective against: rock, ice Weak against: electric, water, fire, steel Ice: Effective against: grass, rock, flying, dragon, ground Weak against: water, steel, ice, fire Rock: Effective against: flying, fire, bug, ice Weak against: rock, ground, fighting, steel Ghost: Effective against: ghost psychic Weak against: dark, steel Not-Affected: normal Bug: Effective against: dark, psychic, grass Weak against: fighting, steel, fire, flying, ghost, poison Psychic: Effective against: fighting, poison Weak against: psychic, steel Not-Affected: dark
Rock and ground. Flying, water and sometimes bug Pokemon are weak against it.
Caterpie is a bug Pokemon, so it's weak to Fire, Flying, and Rock type attacks.