Bug Identifier
Trapdoor Spider / Ground Spider
Community identification

Trapdoor Spider / Ground Spider

Mygalomorphae / Gnaphosidae (e.g., Ummidia or similar ground-dwelling spider)

Order & Family
Araneae (Order), Ctenizidae or Gnaphosidae (Family)
Size
10 to 30 mm (0.4 to 1.2 inches) body length.
See this bug in the Encyclopedia

Natural Habitat

Burrows, soil, leaf litter, under stones, or on concrete/basement floors near gardens.

Diet & Feeding

Carnivorous, feeding on insects, arthropods, and small invertebrates via ambush.

Behavior Patterns

Nocturnal ground hunters or ambush predators; males often wander out of burrows in search of mates. Shown flipped on its back in a defensive position.

Risks & Benefits

Beneficial pest controller for gardens; non-dangerous to humans, though larger species can give a localized, mild bite if provoked.