- published: 03 Apr 2013
- views: 714705
A spider bite, also known as arachnidism, is an injury resulting from the bite of a spider. The effects of most bites are not serious. Most bites result in mild symptoms around the area of the bite. Rarely they may produce a necrotic skin wound or severe pain.
Most spiders do not cause bites that are of importance. For a bite to be significant, substantial envenomation is required. Bites from the widow spiders involve a neurotoxic venom which produces a condition known as latrodectism. Symptoms may include: pain which may be at the bite or involve the chest and abdomen, sweating, muscle cramps and vomiting among others. Bites from the recluse spiders cause the condition loxoscelism, in which local necrosis of the surrounding skin and widespread breakdown of red blood cells may occur. Headaches, vomiting and a mild fever may also occur. Other spiders that can cause significant bites include: the Australian funnel web spiders and the South American wandering spider.
Efforts to prevent bites include clearing clutter and the use of pesticides. Most spider bites are managed with supportive care such as NSAIDs (including ibuprofen) for pain and antihistamines for itchiness.Opioids may be used if the pain is severe. While an antivenom exists for black widow spider venom, it is associated with anaphylaxis and therefore not commonly used in the United States. Antivenom against funnel web spider venom improves outcomes. Surgery may be required to repair the area of injured skin from some recluse bites.
The hobo spider (Eratigena agrestis, formerly Tegenaria agrestis) is a member of the genus of spiders known colloquially as funnel web spiders, but not to be confused with the Australian funnel-web spider. The medical significance of its bite is still poorly understood and debated. Individuals construct a funnel-shaped structure of silk sheeting and lie in wait at the small end of the funnel for prey insects to blunder onto their webs. Hobo spiders sometimes build their webs in or around human habitations.
The species was first described in 1802 by naturalist Charles Athanase Walckenaer as Aranea agrestis, in reference to its western European habitat in fields, woods, and under rocks. In 1841, Walckenaer transferred the species to the genus Tegenaria. In 2013, Tegenaria was split up, and the hobo spider was transferred to a new genus Eratigena, an anagram of Tegenaria.
Spiders, including the hobo spider, vary considerably in appearance, and identification can be difficult. Identification relies on an examination of the spider’s anatomy. Like many species of spider the positive identification of Eratigena agrestis requires microscopic examination of the epigynum and pedipalps (the female and male sex organs respectively) and is best done by an arachnologist. However, the following characteristics can help in identification of hobo spiders in order to prevent misidentification and eradication of beneficial species with a similar general appearance:
Will she bite? Will it cause necrosis? http://www.facebook.com/quaoarpower
My hobo spider bite over a years time.
removing packing from wound.. Could have been worse!!
Hobo spider bite aftermath with leaking puss makes you want to vomit but you can't look away
A hard look at the history of hobo spider bites and the $$-based mythology of their danger. https://www.facebook.com/quaoarpower @ArloPelegrin citations: http://imgur.com/c55gtDb
painful and nasty
It started out red, swollen, very hot, and extremely painful. The next day, my upper thigh started to hurt. My muscles were in so much pain, and walking was a difficult task. Finally, the swelling went down (as seen in this short video), and I was able to extract some of the infection (puss). A few days went by, and cleaning it was not helping any. So, I decided to operate. I removed the middle scab.. Which proved to be extremely painful, and extremely difficult! But, as I am removing it, out came a long, hard, yellow substance that left a deep, wide hole in my knee. The next day, I was able to walk, pain free, finally!
This video is about Jeff's spider bite story. We believe he was bitten by a brown recluse. This channel contains medical content, giants, the world's largest people, the tallest people, tumors, cysts, boils, human horns, dwarfs, sideshow attractions and oddities. It is not for all viewers. Baby spider nest: https://www.youtube.com/watch?v=3kTQQ9_6AZ0 Quaroar power: https://www.youtube.com/user/memutic Story: http://www.highway60.com/mark/brs/most_recent.asp?Msg=3086 Most spiders are harmless; the two exceptions in the U.S. are the black widow and brown recluse spiders. Spider bites are actually rare occurrences, and most presumed cases of spider bites are likely due to another condition that mimics the symptoms of a spider bite. Bites from most (non-poisonous) spid...
Spiders produce venom in glands which are consistent with the chelicerae (= scissors) and injected in conjunction with bite. The poison is generally used to paralyze prey. Native spiders penetrate human skin with their bite is not usually. http://bugbiteidentification.com/spider-bites
My hobo spider bite over a years time.
hobo spider bite two of them and they are getting cleaned out
Hobo spider bite aftermath with leaking puss makes you want to vomit but you can't look away
A hard look at the history of hobo spider bites and the $$-based mythology of their danger. https://www.facebook.com/quaoarpower @ArloPelegrin citations: http://imgur.com/c55gtDb
Will she bite? Will it cause necrosis? http://www.facebook.com/quaoarpower
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A test has shown that a hobo spider bite can hurt you substantially. These spiders can cause some of the biggest spider bites ever seen. Subscribe for new videos: http://goo.gl/SaufF4 Watch the funnel web spider video here: http://goo.gl/7N2wJw Watch the brown recluse video here: http://goo.gl/Xu7THm Watch the cassowary here: http://goo.gl/vY91UY Watch the hippo video here: http://goo.gl/KWAt4L One bite from this spider can take months to heal. It's the hobo spider, and here's the facts that you need to know to survive an attack. Today's video was produced due to high demand by our subscribers. If you have any other topics you'd like to learn about this week, be sure to write your suggestions below. What is it? The hobo spider is a type of funnel web spider oftentimes mistaken for a br...
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spiders - in nature there is an amazing natural killer of these spiders. big spider bathroom daddy screamer arachnophobia warning. Woman finds nest of deadly spiders in banana First of all, the general public is notoriously bad in identifying spiders in bananas when comparing pictures How to get rid of spiders in bed Watch the latest Ice Spiders Full Movie on IMDb Spiders on drugs 2 cep telefonu, boxca mp3 download, mp3 download, mp3 indir, tubidy mp3 Fun Facts about Spiders for Kids The Spiders from Mars were rock singer David Bowie's backing band in the early 1970s, and consisted of Mick Ronson on guitars, Trevor Bolder on bass guitar, and Mick Woodmansey on drums formed in Kingston upon Hull But one thing is clear: spiders on drugs are much like humans on drugs if you are afraid of...
Please subscribe for more videos. spiders - in nature there is an amazing natural killer of these spiders. big spider bathroom daddy screamer arachnophobia warning. Woman finds nest of deadly spiders in banana First of all, the general public is notoriously bad in identifying spiders in bananas when comparing pictures How to get rid of spiders in bed Watch the latest Ice Spiders Full Movie on IMDb Spiders on drugs 2 cep telefonu, boxca mp3 download, mp3 download, mp3 indir, tubidy mp3 Fun Facts about Spiders for Kids The Spiders from Mars were rock singer David Bowie's backing band in the early 1970s, and consisted of Mick Ronson on guitars, Trevor Bolder on bass guitar, and Mick Woodmansey on drums formed in Kingston upon Hull But one thing is clear: spiders on drugs are much like huma...
spiders - in nature there is an amazing natural killer of these spiders. big spider bathroom daddy screamer arachnophobia warning. Woman finds nest of deadly spiders in banana First of all, the general public is notoriously bad in identifying spiders in bananas when comparing pictures How to get rid of spiders in bed Watch the latest Ice Spiders Full Movie on IMDb Spiders on drugs 2 cep telefonu, boxca mp3 download, mp3 download, mp3 indir, tubidy mp3 Fun Facts about Spiders for Kids The Spiders from Mars were rock singer David Bowie's backing band in the early 1970s, and consisted of Mick Ronson on guitars, Trevor Bolder on bass guitar, and Mick Woodmansey on drums formed in Kingston upon Hull But one thing is clear: spiders on drugs are much like humans on drugs if you are afraid of...