Website and data research by 101Leafy.

Bug

For The Legend of Zelda: Majora's Mask 3D on Nintendo 3DS (2015).

Majora's Mask 3D Bug Icon

Pause menu text

Bug
It likes to crawl into small holes. Release it with X, Y, I or II.

CategoryItems
EnglishBug
FrançaisInsectes
DeutschKäfer
EspañolBicho
ItalianoInsetto
日本語ムシ

When you get it

You caught a bug in a bottle! Use X, Y, I or II to release it. Bugs like to burrow in small holes.

On N64

The Nintendo 64 game words this differently. Its English text:

Bug
Press C to release it so it can crawl into a small hole.

Same page on the N64 wiki