Xenorhabdus cells, when found, with poorly visible walls, tightly compressed in bacterial chamber. Tail conoid, tapering to a finely pointed terminus. No refractive inclusion in the tip. Phasmids distinct, located in anterior half of tail. Type host and locality .
Natural hosts are unknown.
The type locality is the primary forest in Cat Tien National Park along the Dong Nai river, Vietnam. The nematode was recovered by Galleria baiting using soil samples collected on 6-12 April 1997. Type specimens . Living cultures are maintained in Hanoi, Moscow and Egham. Optimal temperatures for the infection of Galleria mellonella with infective juveniles of Steinernema tami sp.