Eastern Parson Spider

Scientific Name: Herpyllus ecclesiasticus

Order & Family: Araneae, Gnaphosidae

Size: 6.5 mm to 13 mm (0.25 in to 0.5 in) body length

Eastern Parson Spider

Natural Habitat

Often found under rocks, logs, or leaf litter; commonly enters homes and is found on walls or ceilings.

Diet & Feeding

Actively hunts small insects and other spiders at night; they do not use webs to catch prey.

Behavior Patterns

Nocturnal ground hunters that run very quickly. During the day, they hide in silken retreats or crevices. They do not spin webs for hunting, only for resting and egg sacs.

Risks & Benefits

Generally beneficial as they control household pests. While they can bite if trapped against skin or handled, their venom is not considered medically significant to humans, though it may cause localized pain or allergic reactions in sensitive individuals.

Identified on: 4/10/2026