Aradus borealis Heidemann
AK: 1 ♀, Fairbanks, 531 a Narwhale Trail, el. 166 m, 64.88281 °N, 147.78452 °W, ± 104 m, spruce forest, pitfall, 2–7.vi. 2009 (J.A. Slowik) [UAM 100043050].
Aradus quadrilineatus Say
AK: 1 ♀, Fairbanks, 930 Fitz Ct., el. 280 m, 64.901296 °N 147.528609 °W, ± 15 m, 19–20.v. 2007 (D.S. Sikes) [UAM 100031359]; 1 ♀, id., 24.vi. 2007 (D.S. Sikes) [UAM 100031089]; 1 ♀, id., 64.901137 °N 147.527741 °W, ± 5m, woodpile, 30.viii. 2007 (D.S. Sikes) [UAM 100019326]; 1 ♀, Fairbanks, UAF Farm, el. 165 m, 64.8568 °N 147.84261 °W, ± 1 km, Picea / Betula, Populus stand litter, dry pitfall, 30.vii. 2010 (B. Fleshman) [UAM 100287661].