Southern black widow (Latrodectus mactans): These black widow spiders are most common in the southeast, but the species has ...

“The southern black widow, Latrodectus mactans, lives in the southeastern U.S. west to Texas, south into eastern Mexico, and tapers off about halfway north to Canada,” Crawford says.

Brown widow spiders are becoming more common in the southern U.S. Learn more about brown widow spiders, where they live, what to do if you get bit, how to get rid of them, and more.

Black widow spider bites require immediate medical attention. Call 911 immediately if you think you have a black widow spider bite and are having trouble breathing or experiencing full-body ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...

The Southern Black Widow (Latrodectus mactans) usually avoids indoors but can be found in basements, garages, fences, woodpiles, and building overhangs, and their webs are usually unsymmetrical ...