Black Widow Spider Lactrodectus mactans.

black widow spider

Color: black with a red hourglass shape on its back
Size: 3/4" in length and 3/8" in diameter
Shape: round
Legs: 8 Average
Lifespan: 1 to 3 years

(photo to the left courtesy of: Konrad Summers, Flickr user tkksummers)


Most of the time black widow spiders spin their web near the ground and will often live in secure areas that are not bothered often such as boxes and firewood. Firewood is the main cause of black widow spiders in the home from wood being carried inside.

Black widow spiders can be found in the entire United States including North Central Florida and is known as the most venomous spider in North America.

Self-Prevention Techniques

If you think you have a black widow problem call our highly trained Pest Specialists today at (386) 362-3887. We highly urge you to stay away from an area that you believe is harboring a black widow.

When you move items that have been stored for long periods of time wear protective thick gloves. When spider webs are visible be careful and don't put your hands or feet through them.


Black widow spider bites contain a neurotoxin, venom that the spider uses as defense. A neurotoxin is a poison that affects the nervous system. A black widow bite will cause severe pain and normally they do not bite humans knowingly. Seek professional medical help in the event of a possible black widow spider bite.

Mostly insects are at risk from black widow bites.

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