It is morphologically closest to N. pompilius, hence the name. The nepionic constriction shows that the hatching size was approximately 23 mm, close to that for N. pompilius (around 26 mm). N. praepompilius, along with aff.
The species is most closely related to N. pompilius, hence its name. The nepionic constriction suggests a hatching size of approximately 23 mm, comparable to that of N. pompilius (around 26 mm).  N. praepompilius and its close relatives are also mentioned.