Bug type
Bug-type Pokémon are weak to Fire, Flying, and Rock moves. They resist Grass, Fighting, and Ground. Bug moves are super effective against Grass, Psychic, and Dark.

Bug weaknesses
Moves used against a Bug-type Pokémon
Bug moves
Bug moves against each type
Every Bug-type Pokémon
Caterpie
Metapod
Butterfree
Weedle
Kakuna
Beedrill
Mega Beedrill
Paras
Parasect
Venonat
Venomoth
Scyther
Pinsir
Mega Pinsir
Ledyba
Ledian
Spinarak
Ariados
Yanma
Pineco
Forretress
Scizor
Mega Scizor
Shuckle
Heracross
Mega Heracross
Wurmple
Silcoon
Beautifly
Cascoon
Dustox
Surskit
Masquerain
Nincada
Ninjask
Shedinja
Volbeat
Illumise
Anorith
Armaldo
Kricketot
Kricketune
Burmy
Wormadam
Wormadam (Sandy Cloak)
Wormadam (Trash Cloak)
Mothim
Combee
Vespiquen
Skorupi
Yanmega
Sewaddle
Swadloon
Leavanny
Venipede
Whirlipede
Scolipede
Mega Scolipede
Dwebble
Crustle
Karrablast
Escavalier
Joltik
Galvantula
Shelmet
Accelgor
Durant
Larvesta
Volcarona
Genesect
Scatterbug
Spewpa
Vivillon
Grubbin
Charjabug
Vikavolt
Cutiefly
Ribombee
Dewpider
Araquanid
Wimpod
Golisopod
Mega Golisopod
Buzzwole
Pheromosa
Blipbug
Dottler
Orbeetle
Sizzlipede
Centiskorch
Snom
Frosmoth
Kleavor
Tarountula
Spidops
Nymble
Lokix
Rellor
Rabsca
Slither Wing