For The Legend of Zelda: Ocarina of Time 3D on the 3DS, a GameFAQs message board topic titled "Easiest place to bottle bugs?".. The data in the below table is pulled directly from the Ocarina of Time game data, attempts have been made to translate the data dumped into its significance at runtime.
Bugs can be caught in an Empty Bottle. In both Ocarina of Time and Majora's Mask they are used to near some Soft Soil patches to spawn Gold Skulltulas. Bug Locations in Ocarina of Time In the following table, the region and area columns may not correspond to the regions used in hints.. This kind of bug prefers to live in small holes in the ground." — In-game description Bugs are creatures from The Legend of Zelda: Ocarina of Time and The Legend of Zelda: Majora's Mask.