Description: A very small but spectacularly coloured spider. Females are 2.5 – 3.0 millimetres, males are 2.0 – 2.3 millimetres. The cephalothorax is bright reddish orange, contrasting with a shiny black abdomen.
Habitat: Weaves tiny sheet webs near or on the ground, often among leaves, under rocks or in low vegetation, may be found higher on plants at night
Range: Across southern Canada and the northern United States
Seasonality: Spring through late summer as adults
Trivia: This species is sometimes observed in winter on snow.