Brown recluse


Brown recluse spider (Violin Spider, Loxosceles reclusa or Fiddle back Spider) is the most toxic member of the family of recluse spiders.
Its venom can cause necrosis (necrosis of tissue) at the point of the bite. This poisonous spider -brown recluse (Loxosceles reclusa) has at least four other members of this genus living in north-central and southern United States, causing extensive necrosis of the skin and subcutaneous tissue.

Brown recluse spider





Color:Light to dark brown, with characteristic dark brown violin marking on back.





Movement:Do not fly


Size:Body – 5 mm , legs- 6-20 mm.

Life span:2-4 years

Region:Found in the south central Midwest from Ohio to Nebraska and south through Texas to Georgia

This arthropod inhabits southern and central US, especially in California. It has a brown body color, and on the back there is a specific pattern in the form of a violin. The Brown -otshelnik is quite small, only 6 mm long and maximum of 2cm, so it’s very small that it can be easy to miss when targeted.
The violin shape is not investigative, as other spiders can have related markings (e.g. cellar and pirate spiders). For conclusive identification, it is vital to examine the eyes of a recluse. While most spiders have eight eyes (four pairs), recluse spiders have six eyes arranged in three pairs one median pair and two lateral pairs. Only a few other spiders have three pairs of eyes organized in this way (e.g., scytodids). Recluse has no obvious coloration or patterns markings on the abdomen or legs, and the legs have no spines.
The abdomen is covered with fine short hairs that, when viewed without magnification, can give the appearance of soft fur. The limb joints may look slightly lighter in color.brown-recluse

Baby brown recluse. Females recluse are mainly brown recluse spider; they lay eggs in white bags and store them in a spider-hermit in a hidden place. In each bag of about 7-7.5 mm are 40-50 eggs. Prior to growing, young brown recluse change her outfit to a larger, spacious chitin cover at least 5-8 times. Recluse spider’s skins have a firm structure and are often used to identify arachnology specialists in the study of this type of insect.
The average Lifespan of Loxosceles reclusa ranges from 2 to 4 years.
Obviously spiders are known for the weaving structured “lacy” hunting nets or webs, but the brown recluse does not weave, it only does some erratically scattered threads with which it hunts for insects. They feed exclusively on small insects that fall into the trap, so the production of food is not easy for Loxosceles reclusa. It remains a mystery why this type of spider’s poison is so potent.


Brown recluse runs through the territory of the United States: from the Midwest to the Gulf of Mexico, on the line from southeast Nebraska, through Iowa, Illinois, Indiana, and to the south of the State of Ohio, and from Texas through the western Georgia and recluse spider natural environment is the north Virginia. Brown recluse spiders always hide in the nooks for most of its life: among the roots of trees, under rocks, in burrows of animals. But in connection with the development of the people expanding into new areas, spiders had to change their way of life. Gradually, they adapted to being neighbors of humans in the surrounding environment, thereby settling in basements, garages, barns, attics and closets, and under the earth – in the sewers. Often hermits have been very close to man; they get into apartments and houses, taking refuge in a shoe box, under furniture, behind baseboards. brownrecluse_spiderThey are very found of the places where there is gloom and wood.

If you are bitten by a brown spider requires immediate hospitalization. Very important event in first aid until the doctors arrive. Firstly, do not touch the bitten part, and secondly, to impose the ice – it will suspend the development of tumors.

Face meeting with the person Loxosceles reclusa?brown-recluse1Interestingly, recluse spider is not aggressive to humans. These insects never attack a larger object than themselves and they mainly inflict bites only as self-defense. Most often it is a poisonous insect that affects people who committed imprudence and disturb the spider in his “burrow”, such as in bed, in the closet, in the shoe or somewhere among the old junk. Recluse Spider sees the


What do they bite?

Immediately after the bite you need to quickly prevent the spread of the venom: apply a wound care antiseptic, apply ice and immediately go to the hospital. If struck by the limb, it is necessary to give a raised position. If you are able to catch it, put it in a sealed container and show the doctor for identification.


brown-recluse4The danger in the bite of brown recluse is that it is almost painless and there are no signs of action of venom. That is why victims may scrap a visit to the doctor, thereby only exacerbating their situation.
After a day on the point of the bite indicates a slight burning sensation, followed by severe pain, there is a seal, which begins to grow around tumors. Then an ulcer is formed in the center area of necrosis.
brown-recluse_bite21brown-recluse_bite2This plague is completely overgrown or may not, as there is skin necrosis.

Cases gray spider bites a lot. For example, in 2005 in one of the Arizona State Prison 16 inmates suffered directly from arthropods. All of them were immediately taken to hospital.

Brown recluse spider bite treatment

When a brown recluse spider bites, there are flu-like symptoms: general weakness, disorder, fever, runny nose and cough. With minimal skin manifestations of systemic symptoms (e.g., pain and tonic muscle cramps) can be intense. Perhaps, the occurrence of profuse sweating, dizziness and salivation. However, in some cases, it may occur as renal failure, malfunction of the heart, leading to death.

brown-recluse_bite4brown-recluse_bite12Brown spider does not bite for long, but a single bite is severe, for example, in 2005 in one of the Arizona State Prison 16 inmates suffered directly from arthropods. All of them were immediately taken to hospital.

If you are bitten by a brown spider, it requires immediate hospitalization. Very important event is first aid until the doctors arrive. Firstly, do not touch the bitten part, and secondly, to impose the ice – it will suspend the development of tumors.

Brown recluse bite timeline.Effects of bite directly depend on the amount of venom that the spider has time to release into the body of his victim. If the amount of the venom is small, people may not even notice the bite, and no unpleasant consequences will be felt on the spot.
Transparent viscous venom of these spiders contains esterase, alkaline phosphatase, protease, and other enzymes that cause tissue necrosis and hemolysis. First, there is a slight burning sensation at the point of the bite. After a few hours there is pain and itching in the center of the bite and the surrounding area appear like an ischemia and congestion zone. In most cases, within 2-3 days natural recovery occurs. In the remaining patients, congestion zone extends, in the center of the hearth having a bubble hemorrhage. Then, a black scab, which remains after the plague of rejection. In diameter, it can reach 25 cm and over. In the case of subcutaneous fat necrosis of the healing may take 3 years.

Complications include local nerve damage and secondary infection. In the first 72 hours after the bite, there may be fever, chills, weakness, headache, nausea, vomiting, myalgia, arthralgia, maculopapular rash, and leukocytosis. Occasionally develop into hemolytic anemia, hemoglobinuria and renal failure, which can cause death.
The wound must be washed, impose a sterile bandage and cold compress. The affected limb must be immobilized, and give it an exalted position, if necessary prescribe analgesics, antibiotics. Serum against spiders poison is effective, but is not authorized for use in the United States. Debridement is performed only after the resolution of inflammation.

Danger bites of brown recluse often that it is almost painless and there are no signs of action of venom. That is why victims may put off a visit to the doctor, thereby only exacerbating their situation.

How to get rid of brown recluse spiders?

Generally, to avoid the bite is very simple: you just do not forget about elementary precautions:

  • Avoid Web in the house
  • Shake the clothes and shoes;
  • Inspect the bed before going to sleep;
  • Do not keep under the bed empty boxes and containers which might serve as breeding place for brown recluse;
  • Regularly look out for cobwebs and remove them;
  • Seal cracks and crannies through which insects can enter the house.

PS. If you have any problems with these insects, ask questions in the comments, we will try to help you
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Brown recluse
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Brown recluse June 8th, 2016 allpests
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