In The Legend of Zelda: Skyward Sword for the Wii, you can upgrade the bug net in the game at the Scrap Shop by collecting various items throughout the world.
Here is the bug net upgrade, and what you need to collect to upgrade it.
Big Bug Net – Upgraded From: Bug Net, Cost: 100 Rupees, Ingredients: 2 Ancient Flowers, 1 Evil Crystal, 3 Tumbleweeds
Check out my full upgrade guide if you’re looking for the other upgrades for equipment, potions, and wallets.
