Species
Callobius severus
Callobius severus. Photo: (c) Asa Spade, some rights reserved (CC BY-NC)
Callobius severus is a species of spider found in parts of the United States and Canada. Individuals reach roughly 19 mm (3/4”) in size, with males typically appearing smaller than females. Cephalothorax and legs are reddish to dark brown and the abdomen is dark to light grey with fine hairs, often appearing with large, bilaterally mirrored paler spots. Males feature large, extended palps with prominent projections.
Sightings
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