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

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