Males of Diores magicus have a total length of 4 mm, while females are larger at 6 mm. The carapace and legs are yellowish-orange in both sexes, with the carapace having a very faint pattern in front of the fovea and being darkened in the ocular area and on the clypeus. Males have a very darksepiaopisthosoma with a narrow pale brown scutum in front, followed by five or six anastomosing chevrons. Females have a dark sepia abdomen with a row of five pale chevrons, with the sides and venter being pale in both sexes.
Ecology
Diores magicus are free-living ground-dwellers that construct the characteristic igloo-shaped retreats typical of the genus Diores.