Most VENOMOUS Spiders In The World!

Most VENOMOUS Spiders In The World!

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Most VENOMOUS Spiders In The World!
Whether you're out in the wilderness or in your home, you're never that far away from a spider. However, there are so many different spider species, approximately 40,000 worldwide, that it's hard to figure out which ones you need to worry about and which ones are harmless. Why are so few spiders harmful to humans? Spider venom is designed to work on smaller animals, but the venom of some species can produce skin lesions in people or produce allergic reactions that result in fatalities. While everyone's immune system reacts differently to a spider bite (symptoms can range anywhere from pain and nausea to death) On the bright side, most poison control centers and hospitals have species-specific antivenin within reach. Without wasting any more time, here are the 10 Most VENOMOUS Spiders In The World!
10. Black Widow Spider

Stating off the list is the infamous black widow spider notoriously known for all the wrong reasons. Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they’re found in temperate regions around the world. Approximately 5 percent of the reported bites were fatal prior to the invention of Widow spider antivenom. One of their favorite haunts is an old fashioned outhouse. Sixty-three deaths were reported in the United States between 1950 and 1959, most of which occurred in or around a woodpile or outhouse. But with the modernization of home plumbing and heating, Black Widow bites are now very rare.

This spider's bite is much feared because its venom is reported to be 15 times stronger than a rattlesnake's. In humans, bites produce muscle aches, nausea, and a paralysis of the diaphragm that can make breathing difficult; however, contrary to popular belief, most people who’re bitten suffer no serious damage, let alone death. But bites can be fatal, usually to small children or the elderly. Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them.
9. Brown Widow Spider

The Brown Widow spider, like its cousin the Black Widow, carries a neurotoxic venom that can cause a set of symptoms known as Latrodectism. The spider has a brownish appearance that ranges from tan to almost black. The abdomens of some specimens have ornate dark-brown, black, white, yellow, or orange markings. The hourglass marking on the underside of the brown widow is orange. The Brown Widow spiders have relatively spindly legs and deep, globular abdomens. The species makes its home in buildings, inside old tires, and under automobiles, as well as among shrubs and other vegetation. The male widows, like most spider species, are much smaller than the females and may have a variety of streaks and spots on a browner, less globular abdomen. The males are generally less dangerous than the females but will bite if the web is disturbed and the spider feels threatened.

Brown widow venom is considered to be twice as powerful as that of the black widow; however, the species is not aggressive and only injects a tiny amount of venom when it bites. It produces very painful effects including muscle spasms, 'tetanus-like' contractions, and in some cases, spinal or cerebral paralysis. This paralysis is generally temporary but might leave permanent damage to the central nervous system. A serious bite will often require a short hospital stay.
Still, brown widow bites were associated with the deaths of two people in Madagascar in the early 1990s. Note that these people were not given antivenin and were in poor health.
8. The Six-Eyed Sand Spider

The Six-Eyed Sand Spider is a medium-sized spider with body measuring 1 to 2 inches and legs spanning up to 4 inches. It is found in deserts and other sandy places in southern Africa with close relatives found in both Africa and in South America. The Six-Eyed Sand Spider is a cousin to the Recluses which are found worldwide. Due to its flattened stance, it is also sometimes known as the Six-Eyed Crab Spider. Bites by this spider to humans are uncommon, but have been experimentally shown as lethal to rabbits within 5 to 12 hours. There are no confirmed bites and only two suspected ones on record. However, in one of these cases, the victim lost an arm to massive necrosis and in the other, the victim died of massive hemorrhaging, similar to the effects of a Rattlesnake bite.

[stlrsmike]

The black widow also kills its mate....

[vf]

He is trying to be informative, but he is being too informative. Too lengthy. Some of the info can be deleted, and still be plenty effective. Thanks!

[robinvann]

The bigger, the faster, I "RUN"!!! can write a book about it!!!