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Phoneutria are poisonous to humans, and they are considered to be the deadliest of all the world’s spiders. Their venom is toxic to the nervous system, causing symptoms such as salivation, irregular heartbeat, and prolonged, painful erections (priapism) in men.
- John P. Rafferty
May 15, 2023 · The deadliest spiders — or at least those most frequently cited as having caused death or serious injury to humans — are funnel-web spiders ( Atrax ), redback and black widow spiders (...
- Joshua A. Krisch
Mar 12, 2024 · According to Guinness World Records the Brazilian wandering spider (Phoneutria fera) is officially the world’s most venomous spider. It is capable of injecting a powerful neurotoxin which is nearly 20 times more deadly that that of the Black Widow spider if it gets into the blood stream.
- The actual danger the hobo spider presents to humans is somewhat debatable. It has been proven to deliver quite serious bites to lab animals and th...
- The camel spider really is the stuff of nightmares. The biggest is the Egyptian giant solpugid with a body reaching up to six inches (15cm) in leng...
- Small and innocuous in appearance but capable of delivering quite a nasty bite, the yellow sac spider is one to avoid. The spiders of the Cheiracan...
- Tarantulas – the archetypal big hairy spiders that have been the terror of arachnophobes since time began. The name comes from a Spanish dance, whi...
- Brown recluse spider. As their name suggests, brown recluse spiders (Loxosceles reclusa) have a shy nature and tend to hide away in dark, sheltered places.
- Hobo spider. Part of the family of spiders known as the funnel web spiders, the hobo spider (Eratigena agrestis, formerly Tegenaria agrestis) can be recognized by it's light to medium brown coloring and the multiple chevron patterns (v-shaped) on its abdomen pointing toward their head.
- Black widow spider. In the genus Latrodectus, the black widow is one of the most venomous spiders and is found on every continent except Antarctica. In North America, they're commonly found in southern Canada and in the northeastern United States.
- Brazilian wandering spider. Commonly referred to as armed spiders or banana spiders (as they tend to be found hiding within shipments of bananas), the Brazilian wandering spider is one that you'll definitely want to avoid.
Jul 20, 2022 · What is the deadliest spider in the world? The funnel web spider is widely regarded as the most dangerous arachnid. This Australian spider has a venom that is packed with 40 different toxic...
- Anna Kaufman
- Search & Optimization Editor
May 22, 2023 · What is the Deadliest Spider in the World? Arachnophobia is a fairly common and understandable but increasingly irrational fear. Granted, of the roughly 43,000 known species of spiders throughout the world, nearly all of them are venomous. However, only 25 species are known to kill or seriously harm humans.
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2 days ago · Of the nearly 40,000 known spider species, only a small amount will actually bite humans, and only some of those can inflict any significant harm. In fact, there is no wholly accepted consensus on the world's deadliest spider because, by and large, spiders aren't much of a threat to our well-being.
