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Venomous and Retiring: The Three Most Dangerous Poisonous Spiders in Louisiana

3/25/2019

5 Comments

 
Spiders have long been cast as monsters and arch villains, from J.R.R. Tolkien’s fantasies to the 1950s-era giant tarantula to Rod Serling’s sinister visions in “Night Gallery.” Spiders, however, do much good for your environment. They play a big role in managing the pest population in and around your home, and their webs are marvels to behold. Southern Louisiana, with its warm, moist climate, attracts bugs of all sorts, including numerous types of spiders. Some of these have venom that can harm humans. If you are concerned about populations in and around your property, talk to Baton Rouge pest control professionals about spider control. There is no need to panic, though, once you understand more about these retiring creatures. Here are a few words about spider behavior and a rundown of the three most dangerous poisonous spiders of Louisiana.

Spider Habits
 
Spiders are not aggressive. In fact, they want to cloister themselves away from humans and other disturbances so they can quietly construct a web, catch food, mate, and generally carry on with life. They do not go out to hunt and attack humans. In fact, they want to avoid you as much as you wish to stay away from them.
 
Sometimes, though, accidental contact occurs. Spiders prefer dark places, including shoes, drawers, nooks, and corners. Pay attention to your environment before sticking your hands or feet anywhere. Take a moment to look around you, carefully shake out your shoes, and watch where you are reaching. Most types are not poisonous spiders, but three species in southern Louisiana are dangerous to humans.

Picture of a brown recluse spider in Baton Rouge Louisiana
Brown Recluse
 
The Brown Recluse (Loxosceles reclusa) is typically different shades of brown in color, though variations can range from whitish to blackish gray. These spiders usually have a marking near their head resembling a violin, leading to other common names such as brown fiddler, violin spider, and fiddleback spider. Many other spiders, however, have a similar look, so take care what you touch, and, if in doubt, leave it alone. Interestingly, the abdomen of the brown recluse has many short, fine hairs that look like soft fur. As the name implies, they look for dark, dry places that are quiet, such as:
 
  • Woodpiles
  • Sheds
  • Closets
  • Garages
  • Cellars
  • Cardboard (probably resembles rotting wood, a favored environment)
  • Drawers
  • Shoes
  • Behind baseboards and wall art
 
They seek to avoid contact and confrontation with humans, often choosing to run rather than fight. However, if they are cornered and cannot escape and feel threatened, they will bite. These poisonous spiders have venom that can cause significant injuries to skin tissue and may even lead to necrosis, or the premature death of living tissue cells.
 
If you are bitten, remain calm. Put the wound under cold water or ice, and get medical attention. You can start with poison control, but brown recluse bites should be taken seriously, and you probably will want to see a doctor right away. The good news, though, is that the brown recluse lives up to its name. Watch where you are putting feet and hands, and do not touch any spider that you suspect might be a brown recluse. 

Picture of a black widow spider in Baton Rouge Louisiana
Black Widow
 
Perhaps the most feared spider in the world, black widows get their name from the occurrence of sexual cannibalism, as females sometimes eat males after mating, though this behavior may not occur in all species of so-called widow spiders. Furthermore, their venom is not regularly fatal to humans, though death can sometimes occur, especially in young children and the elderly. Females are most often dark, often shiny black, with a distinctive red hourglass shape on their abdomens. They produce silk-like strands that are sticky, and female black widows like to build webs near the ground or in holes burrowed out by animals. Generally, they seek dark, noiseless places where they will not be readily disturbed, like:
 
  • Under wood and rubble piles
  • Inside hollow stumps
  • Crawl spaces
  • Under stones
  • Sheds and garages
 
Though they are poisonous spiders, black widows are not aggressive. They will not seek out humans to attack them. However, they will bite if they are startled and feel their life is threatened. Black widow bites can be painful when they do occur, and the venom contains a substance that can affect the human nervous system. Symptoms include abdominal cramps, muscle spasms, and intense muscular pain. Antivenom can alleviate some of the pain and mitigate other potential dangers. If bitten, apply a cold compress to the site and get medical help right away. 

Brown Widow
 
Brown widows are thought to have originated in South Africa, but scientists are not certain. They have migrated to tropical regions around the world. They compete with black widows, and while not as poisonous as their cousins, they are more aggressive. They are interlopers, and only time will tell how the growing population of brown widow spiders affects the ecosystem. Brown widows often nest around buildings.
 
These poisonous spiders are varying shades of brown in color and sport a bright orange or yellow hourglass shape on the underside of the abdomen. Their venom, like the black widow’s, is also a neurotoxin, though the effect of brown widow venom is usually limited to the bite location and the nearby tissue, while the black widow’s venom creates systemic problems. Nonetheless, their bites should be taken seriously. If bitten, call poison control and, if necessary, seek medical attention.
 
The Bottom Line on Louisiana’s Poisonous Spiders
 
Brown widows may be the most aggressive of Louisiana’s three most poisonous spiders, but even they will not actively hunt humans and attack them. Be aware of your surroundings, especially in obvious places where these spiders might be, such as around piles of wood and rubble, in dark corners of sheds, basements, and garages, and under stones. Gently check shoes for any unexpected inhabitants, and look where you are reaching and putting your hands. These spiders only bite if you surprise them and they feel endangered. It is common sense, really. However, if you are concerned about growing populations, you may want to talk to Baton Rouge pest control experts about spider control. Respect their environment, teach children to look but not touch, and these spiders will likely, in turn, leave you alone.
 
5 Comments
Ingrid link
6/19/2020 10:03:01 am

I just found it. I am one of those who afraid of spiders.This Article about Spiders i quite interesting to read lots of information.

Reply
Kim Morgan
4/14/2021 04:22:49 pm

I was bitten by a false widow in Southern England and was hospitalised for 5 days!A freak nest was built in my girlfriend's flat and I was bitten in the night and discovered an enormous boil beginning to form near my elbow!!

Reply
Charlotte Town link
5/17/2021 11:25:20 pm

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Reply
Gilroy Plumbers link
8/31/2022 09:38:48 am

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Reply
TS Escorts Decatur link
2/2/2025 06:01:30 pm

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Reply



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  • Home
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