Brown Recluse Spider information

How do I identify a Brown Recluse Spider?

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  • The most recognized feature of the Brown Recluse spider is violin pattern on the cephalothorax or in other words the location on the top side of the spider near the head. Thus they have been nicknamed the Fiddleback Spider.   This characteristic is common in adult brown recluses, but some young brown recluse spiders do not have any contrasting pigmentation in the violin region.  Recluse spiders also have abdomens devoid of any coloration pattern.  Their legs lack thickened spines but are covered with fine hairs.  Unlike most U.S. spiders, the Brown Recluse spider has six eyes arranged in pairs called dyads. (Most U.S. spiders have eight eyes arranged in two rows of four.)  One dyad is anterior, or toward the front and the other two are lateral, or toward the sides of the cephalothorax (where the first legs of the spider attach to the body).  All 13 species of U.S. recluses have this same eye pattern.  
    Click here to read stories of people who've been bitten. 

Where are Brown Recluse Spiders from?

How serious is a Brown Recluse Spider bite?

How can I control Brown Recluse Spiders?

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  • Spiders are an interesting subject and invoke fear in many peoples minds some of which is unwarranted. Because of the emotion that spiders invoke, exaggeration is common place in conversations and sometimes reason and logic is dismissed. Combine this with the fact that there are other recluse spiders besides the brown recluse. 
  • The south central regions of the United States are the most common territories of the Brown Recluse Spider. The boundaries start in Nebraska, go down through Texas, and then east through Georgia. From Georgia, they go north through Ohio and then, back to Nebraska. This area includes the states: Nebraska, Iowa, Illinois, Indiana, Ohio, Kansas, Missouri, Kentucky, Oklahoma, Arkansas, Mississippi, Alabama, Georgia, Texas, Louisiana. Areas that border this territory may still have Brown Recluse Spiders, but they would be less commonly found. There are also instances that brown recluse spiders may be shipped with products from these states and consequently find themselves in homes outside of the natural territory. 
  • Spider experts have said that California is not a native home for the brown recluse even though we receive a lot of emails and phone calls from Californians that say they have brown recluse spiders in their homes. Experts feel that Californians are probably seeing the other (4 native to California) recluse spiders which are close relatives to the brown recluse. The most commonly found native recluse spider in California is the desert recluse. The same is probably true for Arizona and Parts of New Mexico but complaints of spiders in those two states are by far fewer which makes the argument that there probably isn't near the number of spider populations in those states.
    Click here to read stories of people who've been bitten.
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How can I control Brown Recluse Spiders?

How serious is a Brown Recluse Spider bite?

How can I control Brown Recluse Spiders?

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  • If you live in Brown recluse territory, our Big H Traps TM are recommended by spider experts for catching Brown Recluse Spiders instead of poisons and pesticides.  Rather than exposing yourself and your family to certain poisons (spray & pesticides), place Non- Poisonous and Pheromone Like Baited Big H Traps to trap Brown Recluse Spiders when they move into your homes to keep you feeling safe. 

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  • To use the traps most effectively for brown recluse spiders, place traps in closets or other secluded areas where you have seen spiders and/or webs.  Brown Recluse spiders are known for their reclusive nature and avoid humans.  However, despite their reclusive nature, they do bite humans.  The most common situations resulting in bites are:
  • When people put on clothing or shoes (containing a spider) that were left on the floor overnight when the spider crawled into the object. 
  • When people blindly pick up or grab objects without gloves in a secluded or rarely visited area.
  • When people roll over in bed on a spider that had climbed up the covers that were touching the floor. 

How serious is a Brown Recluse Spider bite?

How serious is a Brown Recluse Spider bite?

How serious is a Brown Recluse Spider bite?

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  • Many people have been circulating a series of images showing a terrible bite with the skin deteriorating to the bone claiming the injury to be a brown recluse spider bite. An expert offers the following:
  • It is possible that the wound did result from a recluse bite. However, a number of aspects of this story are pretty suspicious, and have the classic symptoms of a hoax.
    No one can seem to verify where the alleged bite occurred, whether a spider was caught in the act of biting or at the scene of the crime, whether the victim was tested for additional etiologic agents of necrosis such as bacterial infection, if a doctor actually made the diagnosis or it was a self-diagnosis from the victim, if the diagnosis came from an area of the country that actually has brown recluses, etc.
    Some versions of this have included a picture of a spider that was supposed THE spider that caused the wound. Not so. It is a stock photo from an Ohio university website. This image was used last year in a very hyperbolic news story in Long Island.
    The final summary on this is that if it is indeed a brown recluse bite, then it is truly one of the rare, horrific ones however, there is not sufficient information provided with this image to ascertain whether it is credible or not.
    Rick Vetter Entomology Univ. Calif. Riverside Riverside, CA 92521