The Firefly is a passive creature that can be found anywhere above ground at night time. It can be captured with a Bug Net, which turns it into Firefly (Material) to be used for crafting or Fishing. At night, it glows on and off a green color, unlike the Lightning Bug which appears brighter and a blue color. A large number of fireflies will spawn at 12 a.m. outside of the player's house. Fewer and fewer fireflies will spawn on each hour, until dawn.
- This is one of the smallest creatures in Terraria, however it gives off some light so they're easy to see at night.
- Added to the game.
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