Rank: Genus
Lineage: Bacteria;Proteobacteria;Gammaproteobacteria;Enterobacterales;Morganellaceae;Photorhabdus
Description: Photorhabdus is a genus of bioluminescent, gram-negative bacilli which lives symbiotically within entomopathogenic nematodes, hence the name photo (which means light-producing) and rhabdus (rod-shape). Photorhabdus is known to be pathogenic to a wide range of insects and has been used as biopesticide in agriculture.
Reference Material:
https://en.wikipedia.org/wiki/Photorhabdus