Requested reference
Ma, S. C., Marusik, Y. M. & Tu, L. H. (2016). A review of the Nearctic linyphiid spider Arcuphantes fragilis (Araneae, Linyphiidae) and closely related species. Zootaxa 4144(3): 383-396. doi:10.11646/zootaxa.4144.3.6 -- Show included taxa