Ground Spider

Scientific Name: Gnaphosidae family

Order & Family: Araneae: Gnaphosidae

Size: 3 mm to 15 mm (0.1 to 0.6 inches) depending on species.

Ground Spider

Natural Habitat

Under rocks, logs, leaf litter, and occasionally inside buildings on ground levels.

Diet & Feeding

Carnivorous; feeds on other small insects and spiders. They are active hunters that do not use webs to catch prey.

Behavior Patterns

Mainly nocturnal hunters. They are known for their speed and use of silk to entangle and subdue prey rather than spinning a traditional snare web.

Risks & Benefits

Benefits the ecosystem by controlling pest insect populations; they are generally harmless to humans and rarely bite unless handled roughly.

Identified on: 5/16/2026