lightning bug 
noun
North American term for firefly.I've thought that fire ants had killed off most of the lightning bugs like they have the horned toads....
- The favorite ‘hangouts’ of lightning bugs are east of the Rocky Mountains and away from city lights.
- This is a rare phenomenon in which the lightning bugs in an area flash in unison.
- dispositive
- dispositor
- dispossess
- dispossession
- dispraise
- disproof
- disproportion
- disproportional
- disproportionality
- disproportionally
- disproportionate
- disproportionately
- disproportionateness
- disproportionation
- disprovable
- disproval
- disprove
- Dispur
- disputable
- disputably
- disputant
- disputation
- disputatious
- disputatiously
- disputatiousness