halophilus subterraneus

Observation - halophilus subterraneus - UK and Ireland. Description: We have observed a centipede 'haplophilus subterraneus'glowing brightly on the floor in a unlit room before dawn at 6am. Cannot find any information about this. Has anyone else observed the same ?

We have observed a centipede 'haplophilus subterraneus'glowing brightly on the floor in a unlit room before dawn at 6am.
Cannot find any information about this.
Has anyone else observed the same ?