Black widow spider identification
Adult females have rounded, often glossy black abdomens and a body length of roughly ⅜–½ inch, excluding legs. Red markings on the underside commonly form an hourglass, but the pattern can be incomplete or vary by species. Immature spiders and males may show lighter markings and look different. Brown widows and other cobweb spiders are common look-alikes. Never turn over or handle a spider to inspect its underside; use a safely taken photograph or professional assessment.
Where you'll find it in Atlanta homes
Check sheltered outdoor storage, woodpiles, crawl-space entrances, garage corners, meter enclosures, and undersides of patio furniture without reaching blindly. Widows build irregular webs in quiet, protected places, sometimes close to the ground. Georgia’s warmer months support activity and prey, while protected building spaces may hold spiders in cooler weather. Risk is associated with disturbing a hiding spider, so moving long-stored items or reaching beneath furniture deserves more caution than simply seeing a web at a distance.
Prevention tips
- Wear gloves when moving wood, debris, or outdoor storage.
- Use a light to inspect dark recesses before reaching inside.
- Store firewood away from the house and off the ground.
- Shake out stored shoes and gloves before wearing them.
- Keep children and pets away from suspected widow webs.
When to call a professional
Call for a suspected widow near storage, play areas, or regularly handled objects, especially with multiple webs. Allsect starts with an inspection to confirm the pest, locate activity, and identify conditions supporting it. Allsect would inspect protected harborage and confirm identification before recommending targeted management and clutter reduction; do not handle a spider while waiting for help. You will receive an honest recommendation based on the findings, including whether monitoring or simple repairs may be enough.
Common questions
What should I do after a suspected widow bite?
Wash the area, use a cold compress, and seek prompt medical advice, particularly for increasing pain, muscle cramps, sweating, nausea, or other symptoms. Call emergency services for breathing trouble or severe reactions. Photograph the spider only if you can do so without another exposure.
Can I identify a widow by the web alone?
No; several spiders make tangled webs, and web strength or location does not establish identity. A glossy rounded spider with red markings deserves caution, but markings vary. Avoid reaching into the web and request identification rather than handling the spider to check its underside.