Size

Adults: Typically range from 0.4 to 0.8 inches (10 to 20 mm) in body length.

Coloration

Body: Generally black or dark brown. Abdomen: Features a distinctive lighter grayish or white stripe running down the center.

Body Structure:

Shape: They have a somewhat flattened body, aiding in their ability to squeeze into narrow spaces.

Behavior

Nocturnal Activity:Hunting: Active hunters that do not use webs to catch prey. Instead, they chase down insects and other small arthropods, using their speed and agility.

Habitat

Natural Habitats: Often found under rocks, logs, leaf litter, and similar outdoor environments

Habitat and Distribution

Geographical Range:Found throughout the eastern United States and parts of Canada. They can also be found, though less commonly, in some western regions.

Steps for Identification

Observe the Spider's Size:Measure or estimate the spider's body length. An Eastern Parson Spider will typically be between 0.4 and 0.8 inches.

Examine the Legs

Examine the Legs:The legs should be reddish-brown to black and appear well-suited for quick movement.

Consider the Spider's Behavior

If you notice the spider hunting actively without a web and mainly at night, it aligns with the Eastern Parson Spider's behavior.

Note the Habitat

If you find the spider in a typical hiding spot like under rocks or in dark indoor corners, it could likely be an Eastern Parson Spider.

Additional Tips

Photograph for Confirmation: If possible, take a clear photograph of the spider to compare with online resources or to show to an expert for confirmation.