Are There Brown Recluses in Tennessee?
Yes, brown recluses are established throughout Tennessee, including the Nashville, Memphis, and Knoxville areas. These venomous spiders prefer dark, sheltered spaces and are naturally shy. While bites are possible, they are uncommon, and serious injuries are rare with basic precautions and prompt medical care.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 21, 2026.
- 1
- species recorded
- June, May, July
- peak months
Real sighting data, source iNaturalist
927 verified observations on iNaturalist of brown recluse have been recorded in Tennessee, most often in June, May, July.
When brown recluse are recorded in Tennessee
Yes, brown recluses are established throughout Tennessee, including the Nashville, Memphis, and Knoxville areas. These venomous spiders prefer dark, sheltered spaces and are naturally shy. While bites are possible, they are uncommon, and serious injuries are rare with basic precautions and prompt medical care.
Are They in Tennessee?
Brown recluses are established throughout Tennessee, from Memphis in the west to Knoxville in the east, and from the Mississippi River to the Great Smoky Mountains. The spider occurs statewide in suitable habitats, with populations particularly dense in the warmer regions of Middle and West Tennessee. Brown recluses prefer warm, dark, undisturbed spaces such as closets, attics, basements, storage sheds, and woodpiles. They do not build webs like many other spiders, but rather hide during the day and hunt at night for small insects. Brown recluses in Tennessee are part of a larger range that extends from Oklahoma and Kansas southward through Arkansas and into Texas. If you live in Tennessee and want to learn more about this spider, visitTennessee wildlife safety information. The warm climate of the state is well-suited to brown recluses, particularly in the lower elevations of West and Middle Tennessee. Higher elevations in the Smoky Mountains may have fewer brown recluses, though they still occur there.
How Dangerous Is It?
Brown recluse bites are medically significant because the venom contains enzymes that can damage skin tissue around the bite site. A bite causes localized pain, swelling, and redness. In more severe cases, the wound develops into a slow-healing sore as tissue dies and sloughs away, potentially leaving a scar. However, bites that cause serious necrotic wounds are actually uncommon. Most brown recluse bites are mild and heal without significant scarring. Death from a brown recluse bite is extremely rare, even without medical treatment, and serious systemic effects are very uncommon. The greater risk comes from secondary infection of an open wound rather than from the venom itself. In Tennessee, brown recluse bites are already rare because the spiders are shy and only bite when pressed against skin or caught in clothing. With sensible precautions and prompt medical attention if bitten, brown recluse encounters present a manageable health risk. For more details, checkTennessee wildlife safety information. Thousands of Tennesseans live safely alongside brown recluses by following basic safety practices.
How to Recognize One
Brown recluses are small to medium spiders, typically one-half to one inch in body length. The most distinctive feature is a violin-shaped or fiddle-shaped marking on the back of the head and thorax, pointing toward the rear of the body. The marking is dark brown on a lighter tan or brown background. The legs are long, uniform in color, and relatively hairless compared to other spiders. The spider has six eyes in three pairs, unlike the eight eyes of most other spiders, though this detail requires magnification to see clearly. Brown recluses do not build the webs associated with many other spiders. Instead, they are active hunters that prey on small insects at night and hide in dark places during the day. In Tennessee, where brown recluses are established, the violin marking is the most reliable way to identify one. Learn more aboutTennessee wildlife identificationto distinguish this spider from harmless lookalikes.
What to Do If Bitten or Stung
If you are bitten by a brown recluse in Tennessee, the first response is to stay calm and clean the bite area with soap and water. Remove any rings or tight clothing from the affected area before swelling occurs, as tight items can restrict blood flow and increase damage. Keep the bite still and elevated to limit swelling and reduce pain. Avoid rubbing or scratching the wound, which can increase tissue damage. Seek medical attention so a healthcare provider can evaluate the bite. This is general information, not medical advice; if you are bitten, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. Do not use a tourniquet, cut the skin, try to suck out venom, or place ice directly on the wound. These folk remedies cause more harm than good. Medical staff in Tennessee are familiar with brown recluse bites and know how to treat them. Prompt medical care improves outcomes and speeds healing.
How to Prevent Encounters
In Tennessee, preventing brown recluse encounters involves reducing hiding places and being careful when handling stored items. Store firewood away from the house and inspect it before bringing indoors. Keep storage areas, closets, attics, and basements clean and free of clutter where spiders might hide. Wear gloves when handling cardboard boxes or stored items, especially those from warm regions. Shake out shoes, clothing, and blankets that have been stored for long periods, as brown recluses sometimes hide in these items seeking warmth and shelter. Wear closed-toe shoes when walking through brush or tall grass outdoors. Seal cracks and gaps in walls, windows, and door frames to limit spider entry into your home. Remove potential food sources by keeping your home clean and free of small insects. Place sticky traps in attics and basements to monitor for brown recluses and other spiders. When camping in Tennessee, especially in warm months, sleep in a tent rather than on the ground. These practical steps will greatly reduce your chances of encountering a brown recluse.
Where in Tennessee and When
Brown recluses are established throughout Tennessee, from Memphis and the Mississippi River region in the west to Knoxville and the Smoky Mountain foothills in the east. They occur statewide, though they may be more abundant in the warmer regions of West and Middle Tennessee. The Nashville area, Memphis area, and Knoxville area all have established brown recluse populations. Brown recluses are most active in Tennessee during the warm months from spring through early fall. They are particularly common in homes and buildings from late summer through fall as outdoor temperatures cool and they seek shelter indoors. Indoors in heated buildings, brown recluses may remain active year-round, though they are less active in winter months. The spiders prefer temperatures above 50 degrees Fahrenheit and are sluggish in cold. Tennessee's warm climate supports brown recluse activity for much of the year. If you live inTennessee and worry about brown recluses, late summer and fall are when encounters are most likely.
Harmless Lookalikes
Tennessee is home to several brown-colored spiders that people sometimes mistake for brown recluses. The wolf spider is common, larger, hairier, and much faster than a brown recluse. Wolf spiders lack the violin marking and have a different body shape. They are active hunters and entirely harmless. The cellar spider, commonly called a daddy longlegs, has a tiny body and very long, thin legs that make it look completely different from a brown recluse. Cellar spiders are common in Tennessee homes and entirely harmless. The ground spider is another possibility, with a brown body and similar size to a brown recluse, but it has different markings and behavior. Ground spiders are also harmless. The fishing spider, which lives near water, is larger than a brown recluse and lacks the violin marking. Most brown spiders found in Tennessee homes are one of these harmless species. If you find a brown spider and are unsure of its identity, the odds strongly favor it being a lookalike rather than a brown recluse.
Frequently Asked Questions
Are Brown Recluses deadly? Brown recluse bites can cause medically significant wounds, but deaths are extremely rare, even without medical treatment. The venom causes localized tissue damage around the bite, not systemic poisoning of the whole body. Most healthy adults recover fully. How common are Brown Recluse bites in Tennessee? Brown recluse bites are uncommon in Tennessee despite the spider being established throughout the state. The spider is shy and rarely bites, and it only bites when pressed against skin or caught in clothing. What attracts Brown Recluses to a house? Brown recluses seek dark, warm, undisturbed spaces such as closets, attics, basements, and storage areas. They come indoors seeking shelter and small insects to eat, not human blood. What should I do if I see one? If you encounter a brown recluse in your Tennessee home, leave it alone if possible and move away from it. The spider will not chase you or hunt you. If you wish to remove it, use a piece of paper and a cup to trap it and release it outdoors. For more information, consultTennessee wildlife resources.
Plan your trip
Best time to see brown recluse in Tennessee: June, May, July
See the month-by-month sighting calendar.
Frequently asked questions
Are They in Tennessee?+
Brown recluses are established throughout Tennessee, from Memphis in the west to Knoxville in the east, and from the Mississippi River to the Great Smoky Mountains. The spider occurs statewide in suitable habitats, with populations particularly dense in the warmer regions of Middle and West Tennessee. Brown recluses prefer warm, dark, undisturbed spaces such as closets, attics, basements, storage sheds, and woodpiles. They do not build webs like many other spiders, but rather hide during the day and hunt at night for small insects. Brown recluses in Tennessee are part of a larger range that extends from Oklahoma and Kansas southward through Arkansas and into Texas. If you live in Tennessee and want to learn more about this spider, visitTennessee wildlife safety information. The warm climate of the state is well-suited to brown recluses, particularly in the lower elevations of West and Middle Tennessee. Higher elevations in the Smoky Mountains may have fewer brown recluses, though they still occur there.
How Dangerous Is It?+
Brown recluse bites are medically significant because the venom contains enzymes that can damage skin tissue around the bite site. A bite causes localized pain, swelling, and redness. In more severe cases, the wound develops into a slow-healing sore as tissue dies and sloughs away, potentially leaving a scar. However, bites that cause serious necrotic wounds are actually uncommon. Most brown recluse bites are mild and heal without significant scarring. Death from a brown recluse bite is extremely rare, even without medical treatment, and serious systemic effects are very uncommon. The greater risk comes from secondary infection of an open wound rather than from the venom itself. In Tennessee, brown recluse bites are already rare because the spiders are shy and only bite when pressed against skin or caught in clothing. With sensible precautions and prompt medical attention if bitten, brown recluse encounters present a manageable health risk. For more details, checkTennessee wildlife safety information. Thousands of Tennesseans live safely alongside brown recluses by following basic safety practices.
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