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The brown recluse spider is one of the most dangerous spiders in the United States, with venom that can destroy blood vessel walls and cause skin ulcers.
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The Brazilian wandering spider is also known as the banana spider due to its frequent presence on banana leaves. It is considered to be the deadliest.
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The yellow sac spider is a venomous spider that builds silken tubes under stones, leaves, or grass. Its venom can cause necrotizing lesions, but such lesions are rare in bite victims.
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Wolf spiders are known for their aggressive behavior and are often found in grass or under stones. They are not typically aggressive towards humans, but will bite if threatened.
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The black widow spider is responsible for over 2,500 visits to poison control centers in the US every year. Its venom can cause muscle pain, cramping, and nausea, but death is rare.
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The brown widow spider is an invasive species that has been found in many parts of the world. Its venom is considered to be twice as powerful as that of the black widow.
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The red widow spider is found in sandy areas of Florida and is known for its reddish cephalothorax and legs. Its venom can cause symptoms similar to those of the black widow spider, but death is rare.
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The redback spider is a cousin of the black widow spider and is found in Australia and other parts of the world. Its venom can cause pain, sweating, rapid heartbeats, and swollen lymph nodes.
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Funnel-web spiders are known for their funnel-shaped webs and are found in Australia and other parts of the world. Their venom can cause severe symptoms, including muscle cramps.