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| | CPCS: Spider Bites |
 | | Various medications are used to treat the muscle cramps, spasms and pain of a bite. |  | | Fortunately, most spiders are not dangerous to humans because their fangs are either too short or too fragile to penetrate human skin. |  | | Severe muscle pain and cramps may develop in the first two hours. |
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http://www.calpoison.org/public/spiders.html
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| | Black Widow Spiders and Other Spiders of Medical Importance |
 | | Black Widow spiders - - painful rigidity of the abdominal wall muscles, tremors, nausea, vomiting, leg cramps, �tightness�� of chest, and rise of blood pressure. |  | | Some report that the widow spiders are aggressive but observations shows that they are very timid and have no instinct to bite humans. |  | | Although the hobo spider has a greater tendency to bite and is more aggressive than most, it does not seek out humans. |
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http://members.tripod.com/~LouCaru/index-13.html
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| | Black Widow Spider |
 | | After careful examination, the items can be replaced in the old, now spider free box or into a new box. |  | | Foundation vents and soffit vents should be tight fitting and be equipped with screening. |  | | All items in a box need to be removed and opened or unfolded to check for spiders. |
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http://www.yourinspection.com/Spiders.htm
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| | Animal Planet :: Corwin's Carnival of Creatures |
 | | A bitten human suffers from a painful rigidity in the abdominal wall muscles. |  | | The whole digestion process takes place outside the spider's body. |  | | Children and adults who are not in good physical condition suffer the most from the bite. |
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http://animal.discovery.com/fansites/jeffcorwin/carnival/crawler/blackwidow.html
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| | What's That Bug:Black Widow |
 | | While we respect your dislike, we have learned to live in harmony with Black Widows in our Southern California offices. |  | | Does she need a fresh supply of water or does she get this from her prey? |  | | The spider's body is very shiny black, hairless and a little smaller than dime. |
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http://www.whatsthatbug.com/widow.html
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| | Black Widow Spider |
 | | After being biten from a black widow one may feel painful rigidity in the muscles of the abdomen and a feeling of tightness in the chest. |  | | However, the venom of black widows is a neurotoxin and it may interfere with the nerve impulses to muscle tissue. |  | | Other symptoms include an increase in blood pressure, a rise in body temperature, nausea, and sweating. |
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http://kaston.transy.edu/widow.html
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| | Black widow spider - Wikipedia, the free encyclopedia |
 | | When the prey is entangled by the web, L. mactans quickly comes out of its retreat, wraps the prey securely in its strong web, then punctures and poisons its prey (Foelix, 1982). |  | | Bites of six-eyed sand spiders are thought likely to be even more dangerous to humans than any of the others, but fortunately there have been no recorded cases of actual bites. |  | | Compared to many other species of spiders, their chelicerae are not very large or powerful. |
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http://en.wikipedia.org/wiki/Black_widow_spider
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| | Black widow spider |
 | | The physician will treat for pain and cramping with intravenous calcium and muscle relaxants. |  | | Over-the-counter pain relievers may be used to relieve minor symptoms. |  | | Severe cramping of abdominal and thoracic musculature can lead to respiratory distress, which may be fatal. |
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http://www.uark.edu/depts/entomolo/museum/widow.html
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| | Black widow spider |
 | | This means that a quick bite will paralyse prey much larger than the spider, allowing the spider to continue its meal without risk of a further struggle. |  | | Black widow spider toxin contains chemicals that harm the nervous systems of their prey. |  | | Conservation news: While not technically at risk of extinction, most people try to kill these spiders on sight due to their dangerous reputation. |
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http://www.bristolzoo.org.uk/learning/animals/invertebrates/black-widow-spider
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| | black widow |
 | | spider - spider, organism, mostly terrestrial, of the class Arachnida, order Araneae, with four pairs of... |  | | The name derives from the fact that the female, like those of many other spider species, may eat the male after mating. |  | | Black widow spiders are classified in the phylum |
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http://www.factmonster.com/ce6/sci/A0807818.html
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| | Black Widow Spider |
 | | Some report the widow spiders as being aggressive, but observation shows they are very timid and have no instinct to bite humans. |  | | Management: Apply insecticide treatments, such as TalstarOne so that the chemical contacts spiders in their webs. |  | | When disturbed in their webs, widow spiders attempt to escape rather than attack. |
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http://pestsolutions.fmc.com/CDA/CDA_Global/Global_Redirector/0,1615,,00.html?OID=2938
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| | Black Widow Spider |
 | | The female Black widow spiders are nocturnal in habit and very timid when approached by humans. |  | | The female black widow is the only one who would bite humans, and only when disturbed. |  | | Physical description: Shiny black body with a red hourglass pattern on the ventral surface of its opisthosoma (rear section of the body). |
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http://www.whozoo.org/Anlife99/adrianmat/widowindex2.htm
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| | Black Widow Spider (Latrodectus mactans) - Chesapeake Bay Program |
 | | If left untreated, tremors, convulsions and unconsciousness may result. |  | | Your physician may administer an antivenom treatment and calcium gluconate to alleviate pain, and will probably treat the site with antiseptic to prevent infection. |  | | The severity of the victim's reaction depends on his or her age and health, and on the area of the body that is bitten. |
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http://www.chesapeakebay.net/info/black_widow.cfm
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| | Spider Myths: Mate and be eaten! |
 | | Moreover, in the past most observations of mating took place in laboratory cages, where males could not escape. |  | | Spiders, need I say, do not find the human body or hair a favorable site for egglaying, and spider eggs are not so easy to harvest that any mass consumer product could be made from them. |  | | Even if black widow hatchlings could bite, the minute amount of venom they carry would not likely be very harmful; even the bites of adult females are very rarely fatal if properly treated. |
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http://www.washington.edu/burkemuseum/spidermyth/myths/blackwidow.html
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| | Black Widow Spider |
 | | Their bite is relatively painless at first, but may be followed in about an hour by intense pain and swelling. |  | | Black widow spiders are predaceous, devouring small arthropods trapped in their webs. |  | | Facts: Black widow spiders are shy and secretive and found in seldom-disturbed areas. |
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http://insects.tamu.edu/extension/youth/bug/bug160.html
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| | "Black Widow - #296 FAOL" |
 | | The Black Widow's legs are formed using a "reverse hackling" technique. |  | | She can be fished like a traditional soft-hackle, or allowed to slowly sink ever so tantalizingly or you can strip her in with little twitches, pausing ever so momentarily between tugs. |  | | This method, coupled with good quality genetic hen hackle, gives her unbelievable life-like action, whether she is just slowly sinking down, being nudged along in short twitches or just floating with the current like her cousins, the soft-hackles. |
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http://www.flyanglersonline.com/flytying/fotw2/050503fotw.html
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| | Black Widow Spider, HYG-2061A-04 |
 | | Residual liquid sprays applied to the outside perimeter of the home are not very effective because of the black widow spider’s web-sitting behavior. |  | | A hospital stay may be recommended, particularly for those with a heart condition or with health problems. |  | | Insecticide treatments should be applied so that the chemical contacts spiders in their webs. |
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http://ohioline.osu.edu/hyg-fact/2000/2061A.html
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| | Black Widow Spider |
 | | The initial bite may feel like a pin prick, and is followed by pain in the vicinity of the bite, muscle aches, severe abdominal pain, vomiting, muscular cramping, sweating, fever and headache. |  | | Black widows are the only spiders in the United States with a neurotoxic poison, which means it affects nerves or nervous tissue. |  | | Black widow bites are rarely life threatening but can be dangerous for small children or people with chronic health problems. |
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http://www.wildlifedepartment.com/blackspider.htm
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| | Hey! A Black Widow Spider Bit Me! |
 | | What a Doctor Will Do Doctors treat people who have been bitten by black widow spiders with medications to help relax the muscles and reduce pain. |  | | They sometimes give antivenin, a medication that fights the venom in the spider's bite, if someone who has been bitten has underlying medical problems or doesn't get better from the other medications. |  | | Black widow spider bites rarely kill people, but it's important to get medical attention as soon as you can because they can make you extremely sick. |
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http://kidshealth.org/kid/ill_injure/bugs/black_widow.html
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| | Black Widow Spider - MSN Encarta |
 | | The spider, however, is not aggressive and bites humans only defensively. |  | | The female's bite, poisonous to humans, is followed by local pain and swelling, nausea, and difficulty in breathing and is sometimes fatal. |  | | Black Widow Spider, common name for any of several related long-legged, smooth-bodied spiders, chiefly inhabiting the Tropics, but also common in the southern United States and found as far north as Canada. |
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http://encarta.msn.com/encyclopedia_761579227/Black_Widow_Spider.html
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| | Widow spider - Wikipedia, the free encyclopedia |
 | | The false widow spiders are significantly less harmful to humans. |  | | Spiders of the genus Steatoda (also of the Theridiidae family) are often mistaken for widow spiders, and are known as false widow spiders. |  | | It is unclear where this spider originated; however it has been discovered in many warm, cosmopolitan locales. |
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http://en.wikipedia.org/wiki/Widow_spider
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| | Black Widow Spider Bite |
 | | The bites of very large spiders such as tarantulas can be painful. |  | | The fact is that spiders rarely bite humans, and in fact, most spider bites do not even break the skin with their bites. |  | | Spiders are often blamed for all kinds of symptoms, from local itching to diffuse rashes. |
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http://www.emedicinehealth.com/black_widow_spider_bite/article_em.htm
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| | Black Widow Spiders - DesertUSA |
 | | The bite itself is often not painful and may go unnoticed. |  | | The reaction to a Black widow bite can be painful, and the victim should go to the doctor immediately for treatment. |  | | Other symptoms include alternating salivation and dry-mouth, paralysis of the diaphragm, profuse sweating and swollen eyelids. |
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http://www.desertusa.com/july97/du_bwindow.html
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| | Black Widow Spider Bite |
 | | Your health professional will ask what your main symptoms are, when they began, and how they have developed, progressed, or changed since the bite. |  | | Black widow spiders tend to bite defensively when their webs are disturbed. |  | | You should be prepared to describe the spider, where and when the bite took place, and what you were doing at the time. |
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http://www.peacehealth.org/kbase/topic/special/tm6498spec/sec1.htm
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| | Black Widow Spider- ENT/rsc-1 |
 | | The spiders spin a web that is used to ensnare prey, mostly insects, but sometimes other spiders as well. |  | | Black widow spider venom affects the nervous system. |  | | Because the bite itself is relatively mild, some people may not even realize immediately that they were bitten. |
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http://www.ces.ncsu.edu/depts/ent/notes/Urban/blackwidow.htm
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| | Black Widow Spider |
 | | The bite is like a pin prick but causes pain within a few minutes of the attack. |  | | Outdoors and in outbuildings, caution must be used to avoid being bitten. |  | | Indoors, spiders and their webs can be vacuumed up without hazard. |
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http://ipm.ncsu.edu/AG369/notes/black_widow_spider.html
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| | Latrodectus |
 | | Redback Spider (Latrodectus hasselti), Victorian Funnel-Web Spider (Hadronyche modesta) & other spiders. |  | | About redback spiders, Redback spider bite in Australia, Symptoms and signs of redback spider envenomation, First Aid and Treatment for redback spider bite. |  | | Black Widow (Latrodectus hesperus), Brown Recluse Spider (Loxosceles reclusa), spider treatment. |
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http://www.arachnology.org/Arachnology/Pages/Latrodectus.html
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| | black widow spider |
 | | The black widow is one of two species within our region that is potentially dangerous to humans (the brown spider is the other). |  | | More often, the bite is painful and causes serious reactions, including nausea, dizziness and abdominal cramps. |  | | One spider produces several sacs within its one- to two-year lifespan, but only one sac at a time. |
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http://www.desertmuseum.org/books/nhsd_blackwidow_spider.html
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| | Black Widow Spider - CamChatting Message Board |
 | | However, the overwhelmingly vast majority of the time the claim comes from some paranoid ignoramous who prefers to believe that every black spider (or even every spider) that they ever see is, in fact, a black widow. |  | | This post was actually my response to a post on the Halford boards about spiders - it became a very long an interesting thread. |  | | Yes, the truth is that on rare occasions when someone claims to have found a black widow - probably less than 1 in 100 claims - they actually have found one. |
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http://www.camchatting.com/ubb/Forum2/HTML/000004.html
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| | MedlinePlus Medical Encyclopedia: Black widow spider |
 | | Symptoms include pain radiating from the site of the bite, nausea, overall aching of the body, profuse sweating, and labored breathing. |  | | Although black widows can be found in nearly every state they are most common in the southern areas of the United States. |  | | The black widow makes her home in wood piles, under eaves, and other undisturbed places. |
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http://www.nlm.nih.gov/medlineplus/ency/imagepages/19582.htm
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| | Black Widow Spider (Latrodectus hesoerus) |
 | | Their bite is painful and is the most toxic of all spiders in the Central Valley. |  | | This is the most likely habitat for hungry Black Widow Spiders. |  | | Luckily, they are very sensitive to insecticides and, therefore, easy to control. |
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http://kaweahoaks.com/html/latrodectus_hesoerus.html
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| | Southern black widow spider |
 | | Widow spiders are known from every state (except Maine where it undoubtedly also occurs) and several Canadian provinces. |  | | The spider spends most of the time in the retreat, venturing out onto the web for web maintenance or when attracted by prey vibrations. |  | | Even when disturbed in its web it attempts to escape rather than to attack. |
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http://insects.tamu.edu/fieldguide/cimg368.html
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| | Black Widow Spider- EnchantedLearning.com |
 | | The spiderlings (baby spiders) are not poisonous but they are cannibals, eating each other. |  | | Black Widows have a two-part body, strong jaws, poisonous fangs, and a hard exoskeleton. |  | | This kills the prey and also liquifies its flesh, letting the spider eat it easily. |
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http://www.enchantedlearning.com/subjects/arachnids/spider/Blackwidowprintout.shtml
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| | SDNHM: Black Widow |
 | | Keep in mind that where there is a web, a spider may not be far away. |  | | If not for their potent venom, black widows probably would be considered beneficial because they help control a number of insect pests. |  | | This spider produces a neurotoxic venom 15 times more virulent than an equal amount of rattlesnake poison. |
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http://www.sdnhm.org/fieldguide/inverts/latr-hes.html
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| | Black Widow Spider - Black Widow Bites Treatment |
 | | Best known for widespread muscle spasm and often mimics that of a severe abdominal problem i.e. |  | | Black widow venom is primarily a neurotoxin, which as a rule does not cause local tissue death and destruction. |  | | Black widows are found in every state except Alaska. |
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http://www.surviveoutdoors.com/reference/spiders/black_widow.asp
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| | Black Widow Spider |
 | | The black widow constructs an irregular web in which their prey is caught, then the prey is wrapped in silk and paralyzed by venom. |  | | Dry areas where their prey travels is most commonly where a black widow will build their web. |  | | Indoors, they are generally found in garages, basements, or areas that are not frequently used. |
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http://www.modernpest.com/Bugpages/blackwidowspider.htm
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| | Black Widow Spider |
 | | Risk may be greater than risk of death by spider bite |
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http://www.fpnotebook.com/ER12.htm
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| | Black Widow Spider |
 | | Black widows like to live in hot areas. |  | | By Erik and Robert B. The female black widow is shiny black usually with a red hourglass shape or two triangles together on the underside of her round shaped stomach. |  | | She hangs upside down so it is easy to see the color. |
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http://www2.lhric.org/pocantico/spiders/blackwidow.htm
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| | Black widow spider |
 | | The venom of the black widow spider contains neurotoxins that make people sick. |  | | This poisoning is from a bite by a black widow spider (Latrodectus mactans). |  | | Black widows are found throughout the U.S., but predominantly in the South and West. |
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http://www.pennhealth.com/ency/article/002858.htm
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