firefly

Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.

Frequency

21k
Etymology

From fire + fly, because the insects glow; whence also lightning bug. Compare lanternfly.

glow worm

Pyrophorus noctiluca

glowfly

common glow worm

fire-bug

fire fly

firefly beetle

lampyre

European glow-worm

common European glow-worm

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