By day, a normal looking "worm." By night... it glows! The railroad-worm, or glow-worm, is a larva or larviform female adult of a beetle of the genus Phrixothrix in the family Phengodidae.
By day, a normal looking "worm." By night... it glows! The railroad-worm, or glow-worm, is a larva or larviform female adult of a beetle of the genus Phrixothrix in the family Phengodidae.