The most common and most likely answer to this crossword clue is the 7 letter word FIREFLY which also is the latest solution we found used in LA Times in 2000.
Lightning bug crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| FIREFLY | 100 % | 7 | 
Words with a meaning similar to the clue: Lightning bug
These words may or may not be a possible solution to this crosswords clue.- firefly
 - glow fly
 - flower fly
 - fire-fly
 - fishmoth
 - common glow-worm
 - flower bug
 - thunderbug
 - fire beetle
 - sparkler
 - breezefly
 - bottlefly
 
Crossword Answer definitions
FIREFLY noun- Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution