Presence of this species in the NWT is noted by Paquin et al. (2010), but the specific location of records is not noted. GBIF includes four records of this species from Norman Wells. Other data apparently exists for this species in the NWT, but it is not available and has not been considered here.
References:
(1) Paquin, P., Buckle, D.J., Duperre, N., & Dondale, C.D. 2010. Checklist of the spiders (Araneae) of Canada and Alaska. Zootaxa, 2461(2461): 1-170.
(2) Saaristo, M.I. & Koponen, S. 1998. A review of northern Canadian spiders of the genus Agyneta (Araneae, Linyphiidae), with descriptions of two new species. Canadian Journal of Zoology, 76: 566-583.
(3) Duperre, N. 2013. Taxonomic revision of the spider genera Agyneta and Tennesseellum (Araneae, Linyphiidae) of North America north of Mexico with a study of the embolic division within Micronetinae sensu Saaristo & Tanasevitch 1996. Zootaxa 3674: 189 pp.
(4) https://www.gbif.org/occurrence/search?country=CA&taxon_key=7810781&occurrence_status=present&gadm_gid=CAN.6_1