Brown Recluse Spiders

Brown Recluse Spiders
Size: 1/4" - 3/4"
Color: Brown, gray, or deep yellow
Habitat: Dry and undisturbed areas
Origin: Native to US
Questions & Answers : How to get rid of Brown Recluse Spiders (20)
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Brown Recluse Spider Control

Brown Recluse Spider Picutrespregnant brown recluse spider pictures

Brown recluse spiders, also known as fiddleback or violin spiders, are coined their common name from their color and their habit of acting reclusive. The violin spider common name comes from the distinguished violin shaped marking that is located on the top of the cephalothorax, which is the area where the head and the thorax are fused together. Brown recluse spiders can be commonly found in southern Europe, some temperate regions of Africa, and have made their way to South, Central and North America. The brown recluse spider is one of the most venomous spiders that are located throughout the United States. Although there are about 11 species of brown recluse spiders that are found in the United States, 7 of them are considered a threat to people.

Brown Recluse Spiders Identification

Brown recluse spiders are about ¼ of an inch to ½ and inch long in body length. Males are a little bit smaller than the female brown recluse spiders. Their abdomen is uniformly colored in a tan to a dark brown color. They also have a darker violin shaped marking on the top of the cephalothorax. They are entirely covered in fine hairs which gives them a velvety appearance. Uniquely, their legs are covered in hairs as well and not spines. Moreover, a unique physical characteristic is that they have 6 eyes instead of 8. Their eyes are arranged in 3 groups of 2 that are in a semi-circle shape. Young brown recluse spiders are very similar in shape and size except that they are smaller in size and are slightly paler in color.

There are several representing species that can be separated by experts, mostly by looking at the male genitalia. There are minute physical characteristics that differentiate each species but they will all generally appear the same. Location is the primary way to differentiate the species of brown recluse spider. Of the 11 species of brown recluse spiders that are located in the United States, 7 of them are threats to public health and in severe cases can possibly endanger the life of people and animals.

Places to Look for Brown Recluse Spiders

Brown recluse spiders can be found in both indoor and outdoor areas. They can also be found in both residential areas as well as commercial buildings. Brown recluse spiders in the house can be found in almost any area that is accessible and undisturbed. Although brown recluse spiders can be found virtually anywhere including corners of rooms, underneath the tables, chairs, and other furniture, in cracks and crevices along the baseboard area, doors and window molding, they are most commonly found in areas of clutter than are seldom disturbed. These key areas are places like inside filled boxes, among files of paper, seldom worn clothing and shoes, and etc. This is the reason why brown recluse spiders will most often be found in places like storage closets, attics, basements, and in bedrooms.

Outside, brown recluse spiders are found under rocks, inside utility boxes, under tree bark, in wood piles like firewood stacks, and etc. Brown recluse spiders have also been found outside in explicit areas like rodent bait stations and underneath the tiles in the cedar shake roofs. In commercial areas, brown recluse spiders can be found in places like the storage closet, boiler rooms, garages, and etc.

Brown Recluse Spider Bite

Brown recluse spiders do not intentionally attack people and will even run away when they are disturbed. However, their bites may be one of the most venomous in the United States. Typically, people will receive bites from brown recluse spiders when they are putting on clothes that are seldom worn or used, when they are cleaning out storage areas like attics, basements, and closets, and also even when they are rolling around in bed.

Both female brown recluses and male brown recluses are capable of injecting venom into their targets. Therefore, both sexes must be considered a threat and there is a generalization that they can both harm people and animals. The initial bite of a brown recluse spider is usually not felt. However, there is an intense stinging sensation or pain that follows the bite. Sometimes, this pain will not occur until 6 to 8 hours after the initial bite. The venom of brown recluse spiders produces dead tissue that ultimately lead to sores on the skin that are more like outer ulcers. Usually, a small blister will appear and the area that surrounds the bite is swollen and looks like a large mosquito bite. Gradually, however, the dead tissue begins to drop off and this will occur for the following 14 days. Basically, the sore will begin to open and expose the muscles and even the bone that is underneath the flesh.

There are several symptoms of brown recluse spider bites that include fever, insomnia, and restlessness. The healing process following treatment for the brown recluse spider bite is very slow and as a result, there are dense scar tissues that form. Some severe cases of brown recluse spider bites result in cosmetic surgery to the skin.

Keep in mind, however, that not all bites show these kinds of results. Although, generally, this is what happens when a brown recluse spider bites people, the outcome of the bite depends on the amount of venom that is injected. Also, some people may react differently to bites and show no sign of dead tissue and scarring. Also, bites that are made by other insects or arthropods may result in similar reactions and it is best to identify the spider before assuming it was a brown recluse spider.

How to Get Rid of Brown Recluse Spiders

Standard procedures for spider control are necessary for brown recluse spiders. This includes inspection, mechanical control, and also chemical control. Keep in mind that brown recluse spiders do bite when they feel threatened or when they are disturbed. When inspecting or making structural changes for mechanical control, you should wear safety materials like gloves.

Some means of mechanical control is to get rid of harborage sites like their webs. For brown recluse spiders, it may be harder in doing so because they can infest almost any area that is undisturbed. Also, check cedar shake shingles to see if they are present in those areas. Mechanical control also means that seldom used areas should be checked on a regular basis or regularly cleaned and inspected. Also, the use of insect glue boards in areas where you have previously seen a brown recluse spider or on areas along the walls will prove to be an effective method of killing brown recluse spiders.

Chemical control makes use of contact kill aerosol sprays to instantly knock down any sighted brown recluse spiders in the house. Also, pesticides with a long residual can be used to create barriers around the structure of the home of commercial building. Many of the products that come in wet-able powder formulations or a microencapsulated formulation can be sprayed on surfaces both inside and outside as long as the treated area is left alone to dry before coming in contact with. Therefore, when creating a barrier around the structure, also focus on spraying key areas indoors like inside the basement, attic, and also the base board area of the rooms and closets.

All product labels must thoroughly be reviewed before any pesticide is applied. Please refer to the product page and find product label sources or contact a representative at Pest Mall via e-mail or telephone.

Do You Have a Question about this Product? Ask Our Experts!


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Q. Brown Recluse?
Just found this creature in our pool and we are wondering what type of spider this is? We live in Florida, outside of Tampa area if that helps.. Thanks so much for your time and help!
A.   Fortunately, that is NOT a brown recluse. I just wanted to let you guys know that the spider I asked about is a wolf spider. . We sincerely apologize for the inconvenience.
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Q. Is this a brown recluse?
A.   Yes. The picture shown on the top of the page is a brown reclude spider.
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Q. possible brown recluse?
I came across your website today while looking for information about the brown recluse. I was wondering if you could tell me if this spider is one or not. I'm just nervous because I have a 3-year-old daughter & we found this spider (the only one so far) in the entryway of our apartment- near her bike & toys. We live in northwestern Pennsylvania so I'm sure they'd be in the area. I'm sorry the picture is a little blurry. I put it in a baggie to show the manager & pest control at our apartment building. If it is, are there any sprays/pesticides that are safe to use around children? I know I'm probably being a little paranoid but I just don't want her to get bitten. Thank you!
A.  

Unfortunately, the picture is a little bit blurry and the contortion of the spider does not give us a good view of the spiders physical form.

However, we do recommend that you do general spider control with a contact kill insecticide like LambdaStar 9.7% CS in conjunction with the use of glue boards. Glue boards are the best way to control brown recluse spiders and if it is not a brown recluse spider, LambdaStar will be able to kill the species on contact.

Moreover, you will be able to get rid of other crawling insects that could serve as a food source for the spiders. If you have any further questions or comments, please feel free to contact us again.

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Q. can i also buy some products to kill spiders at home depot and lowers
can i also buy some products to kill spiders at home depot and lowers
A.   Of course there are products that you can purchase at local hardware stores like Home Depot or Lowes. However, the products that we carry here at Pest Mall are all professional grade and will not be found at Home Depot or Lowes. If you have any questions or inquiries about spider control products, feel free to browse our spider control page, give us a call at 1-800-788-4142, or email us at info@pestmall.com.
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11
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Q. What is the best product to use on recluse spiders
I am infested with them and afraid of spiders, I need something that won't hurt my cats as they are in door cats. I can take them outside while I spray though. Please help. Im like the other lady that can't sleep at night. Found one on the bed when I got home from work thought I had it in a cup but don't know where it went. So I closed the room and set off 2 hot shot bombs. I do use stick traps and plan to get some more but I have caught a ton of them and it is very scary. HELP
A.   We do not believe that the bombs will be very effective for recluse spiders. For brown recluse spiders, glue boards and residual concentrate insecticides are the best method of treatment. We recommend Zenprox EC. It is one of the only concentrate products we carry that can be applied as a broadcast application inside. Consider setting more glue traps out that you would expect. It may take several traps per area to catch a brown recluse. If you have any further questions or comments, please feel free to contact us again.
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Q. Brown Recluse Control
I have confirmed brown recluse spiders in my home and am trying to get further clarification on controling them. Suspend SC is the most commonly recommended spray and yet in one of the comments on your site you indicate that Zenprox EC is the only product specifically indicating Brown Recluse as a target pest. Which would you recommend? Is it known for a fact that Suspend SC will work because to be honest, I'm still catching quite a few in glue traps all over the house after applying Suspend three weeks ago inside, outside, crawling all over the attic, etc. I have over 50 glue traps all over my two story home with a walk out basement and, after three weeks of putting them down just after spraying, I have approximately 20 brown recluse.
A.   We recommend using Zenprox EC around the house. Please be sure to do a barrier treatment around the house, including doorways, windows, cracks and crevices, etc. Also, get rid of all spider webs you see.
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Q. brown recluse california
we have a lot of brown recluse in are home what should we do
A.  

Spider Glue boards in hidden areas like the closet, attic, in cabinets, and etc are the safest ways to trap brown recluses.

Also, Suspend SC will work for Brown Recluse Spider control. It is a liquid concentrate spray that is diluted in water and sprayed on. If you are using Suspend indoors, you must give it ample time for it to dry before reentry.

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Q. how to get rid of brown recluse
A.   There is only one product we carry that has brown recluse spiders on the label as a specific target pest is the Zenprox EC. It is an emulsified concentrate that is oil-based and so we do advise that you test for staining before application on fabrics and upholstery. We also recommend setting up insect monitoring and glue traps. If you have any further questions or comments, please feel free to contact us again.
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Q. Please help with spiders?
We have been using Orkin for well over 5 months, they've sprayed as much as they can that the FDA allows.. In the past 4 days I have seen 15 spiders, FIFTEEN.. This is well over the 2 week waiting period due to our man being sick.. They've sprayed, dusted, everything! We have very bad brown recluse, wolf and grass spiders. They are relentless! For expample, ok not sure which has been which.. I pulled the covers back and 3 brown recluse in the bed, a spider crawling out of the arm of my shirt while I was wearing it, a spider suspending from my glasses, in the bathroom, ceiling, all over the living room, I just sprayed one and another came out, those two were for sure wolf spiders! I don't know what to do! They've laid glue traps and everything! I'm scared a family member or myself will get bit..I also have a teacup yorkie puppy! I'm scared for all of us! With all the treatments shouldn't I be seeing less spiders than I did before treatments started? This is total opposite.. Any suggestions? Please help!
A.   Lots of spiders in the area indicates there are lots of bugs in that area which serve as a food source for them. I would use ZENPROX EC for treatment inside the home because it is specifically labeled for brown recluse, black widow, and other spiders. Outdoors, I would use a product like Temprid SC which is a broad spectrum insecticide targeting many different pests that spiders like to prey on.
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Q. is it a recluse??
I found this one in the driveway this morning. I took a picture and looked close at it and thought it was eating ants. We rolled a hose over it and it was spawning having babies or whatever spiders do. Killed mom then stepped on and sprayed as many tiny ones as I could. I don't have a pest service but I think I will be calling one this morning!!!
A.   That is not a brown recluse spider, it is a Garden Orb-weaving spider which are low-risk and non-aggressive spiders. The best treatment for spiders would be to use a liquid insecticide with a long residual time, such as Demon WP, Cyper WP, Suspend SC, Demand CS, etc. To prevent the infestation from spreading indoors, we recommend treating around window frames and door frames as well.
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