Subject: Large Coleoptera larcae
Geographic location of the bug: Monteagle TN
Time: 11:07 PM EDT
Your letter to the bugman: Found a large beetle larva while walking the dog tonight.
I would like to submit picture for iNaturalist but am stumped on ID. I have seen this species before.
How you want your letter signed: Chris Waldrup
This is the larva of a Glowworm Beetle, commonly called a Railroad Worm because of its ability to glow green in the dark as an example of bioluminescence. We believe your individual is in the genus Phengodes based on BugGuide images. Here is a BugGuide image of a Glowing Glowworm.