Ok for real perfect bug team

Sweeper (Vivillon-Monsoon) @ Focus Sash
Ability: Compound Eyes
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Sleep Powder
- Dream Eater
- Quiver Dance
- Bug Buzz

Forretress @ Leftovers
Ability: Sturdy
EVs: 252 SpA / 4 SpD / 252 Spe
Relaxed Nature
IVs: 0 Atk
- Spikes
- Rapid Spin
- Stealth Rock
- Flash Cannon

Leavanny @ Life Orb
Ability: Overcoat
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Leaf Blade
- X-Scissor
- Swords Dance
- Sticky Web

Back-Up Sweeper (Crustle) @ White Herb
Ability: Sturdy
EVs: 4 HP / 252 Atk / 252 Def
Adamant Nature
- Stone Edge
- Shell Smash
- Earthquake
- X-Scissor

Volcarona @ Leftovers
Ability: Flame Body
EVs: 4 HP / 252 SpA / 252 SpD
Modest Nature
IVs: 0 Atk
- Quiver Dance
- Fiery Dance
- Bug Buzz
- Giga Drain

Araquanid @ Waterium Z
Ability: Water Bubble
EVs: 4 Atk / 252 Def / 252 SpD
Careful Nature
- Liquidation
- Lunge
- Poison Jab
- Stockpile