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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
  • Lavafly item sprite
Stack digit 9.pngStack digit 9.pngStack digit 9.pngStack digit 9.png
Bait Power25%
Use time15 (Very fast)
RarityRarity level: 1
Research5 required

The Lavafly is a critter that spawn occasionally in the Underworld at night. Lavafly has only 5 health and no defense, and can be damaged by other enemies and players.

Lavafly can only be caught with the Lavaproof Bug Net or the Golden Bug Net. Trying to catch it with a standard Bug Net will only set the player on fire. After being caught, it can be carried around in the inventory and released later, or crafted into animated decorative furniture (Lavafly in a Bottle). Once crafted, the Lavafly cannot be released again.

Lavafly can be used as bait for fishing, with 25% bait power. Using it as bait also allows fishing in lava.


Used in

ResultIngredientsCrafting station
Lavafly in a BottleLavafly in a BottleBy Hand



  • Like Fireflies, Lavaflies are difficult to see in the Underworld at high resolutions, appearing as a blinking speck on the screen.
  • The BestiaryBestiary entry for the Lavafly: "A variation of firefly which adapted to the intense conditions of the world's infernal core. It mimics sparking embers."

See also



  1. Information taken from the Desktop version Desktop source code, method ItemCheck_CatchCritters() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is