N. albolateralis is a rare species that belongS to the N. leucoloma species group, revised by Lanteri & Marvaldi (1995). All species of this group have greyish-brown vestiture, white scutellum and a distinct white stripe on sides of body, from head to apex of elytra.
N. albolateralis differentiates because scales are lanceolate, setae are fine, medium-length and suberect; eyes are convex; the pronotum is rugose and narrower than in the remaining species of N. leucoloma species group; and humeri are well developed, same as hind wings. In some specimens there is a pair of white maculae on the anterior third of 4º elytral interval.
It shows distinct sexual dimorphisms. Males are more slender than females.
Probably associated with vegetation typical of the Chacoan biogeographic province.