Spiders

Understanding Spiders in Jacksonville and Ormond Beach Homes and Businesses

Spiders often get a bad reputation, but most species found in Northeast Florida are harmless — and many are actually helpful in controlling other pests. Still, when dangerous species like the black widow or brown recluse show up indoors, it’s important to know what you’re dealing with.

This guide will help you identify the spiders most likely to show up in your home, understand their behaviors, and learn when it’s time to take action.

Spiders to Watch for in North Florida

Black Widow Spiders

Black widow spiders are easily recognized by the red hourglass marking on the underside of the adult female’s shiny black abdomen. Females are about ½ inch long (not including legs) and typically hide in dark, low-to-the-ground areas such as garages, sheds, under steps, or crawl spaces.

These spiders spin irregular cobwebs with strong, sticky silk and prefer undisturbed areas. While black widows are not aggressive, their bite can be dangerous and should be taken seriously.

Did You Know? Male black widows and juvenile spiders look quite different from females and are harmless to humans.

Brown Recluse Spiders

Brown recluse spiders are light tan to dark brown, with a distinctive violin-shaped marking on their back. Their legs are long and slender, and their bodies are covered in fine hairs that give them a velvety appearance.

They prefer dark, quiet hiding spots like closets, basements, attics, storage boxes, and even shoes or folded linens. Outdoors, they may be found under logs or in sheds and garages. Bites usually happen by accident, when the spider is disturbed.

While brown recluse bites are rare, they can cause serious reactions in some individuals and should be treated promptly.

Reducing Spider Activity Around Your Property

Whether it’s your home, office, or commercial space, spiders are drawn to cluttered, quiet areas where they can hide and hunt. Most are harmless, but it’s still wise to take steps that limit their access and reduce the chance of a bite.

Prevention tips for homes and businesses:

Keep storage areas, closets, and utility rooms clean and organized
Shake out shoes, linens, uniforms, and supplies before use — especially if stored for long periods
Seal gaps and cracks around windows, doors, baseboards, and utility entry points
Reduce outdoor lighting that attracts flying insects (a major spider food source)
Trim back shrubs, trees, and vegetation touching the building exterior
Trim back shrubs, treeStore firewood, equipment, and debris away from the structures, and vegetation touching the building exterior

If you're seeing spiders regularly — especially in quiet corners, crawl spaces, or inventory areas — it's a good idea to have a professional inspection to identify the species and assess risk.

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Don’t Wait Until a Bite Happens

Spiders aren’t always a problem, but when venomous species end up in living or working spaces, it’s time to act. Royal Pest Services provides expert identification and safe solutions for homes and businesses in Northeast Florida.