
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.
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.