Place 5:
A close cousin known to all black widow. Latrodectus hasselti reaches small dimensions (often around 1 cm). They are very poisonous, although in a completely inconspicuous appearance. In the venom of these spiders is a neurotoxin, which is why the bite can have a lethal effect. Cases of deaths in people following the bite of this spider are known, but no such thing has been recorded for fifty-four years - that's when the antidote was invented. When administering it, you need to remember about large doses - one is definitely not enough. Regarding the range of these spiders, they live in the natural environment in southern and eastern Asia, as well as in Australia. There was also the presence of a very small number of colonies in New Zealand
Place 4:
Atrax robustus occurs mainly in Sydney, but also in New South Wales. A spider of this type can grow up to 70 mm. Females can live up to 20 years. The species is very aggressive. There have been reports of situations where a spider of this species "ran around" people and tried to bite them. Often considered the most venomous spider in the world. In Polish, this spider is called Aureali Terner - but he is not a species of tarantula.
Place 3:
Living mainly in Brazil, Argentina and Uruguay, Phoneutria fera is an extremely aggressive and venomous spider. It grows to about 10 cm, but larger sizes are often found. She does not spend time on her spiderweb. Is very fast. His venom is almost 20 times stronger than the black widow's venom. In one year, he managed to kill up to 1,500 people. In conclusion, this spider often attacks people. It inhabits burrows, but also hollows and tree crowns
Place 2:
Loxosceles reclusa is often 2-3 cm tall. It has long, bristly legs. A characteristic feature are three pairs of eyes. Females are twice as large as males. This spider is active mainly at night. They feed on other spiders. Often appearing in the USA, especially in the state of Kansas. Often found in basements and houses. The venom of these spiders can cause extensive tissue necrosis. Systemic symptoms of necrosis. Usually begin 24-72 hours after the bite. Fatalities most often affect the age of 11.
Place 1:
Perhaps the most deadly spider is Latrodectus mactans, a popular black widow. Often found in North America. The average body length of an adult female is 8-10 mm (up to 50 mm). Where did the name "black widow" come from? This name was given to this spider, because the female usually eats a partner. Their neurotoxin is 15 times stronger than the rattlesnake's venom. A bite is especially dangerous for people under 16 and over 60. Black widows are notorious because they live among people, such as, for example, angles in Poland. So bites happen quite often, widows, however, never attack a man without necessity, usually people unconsciously force them to do it, eg by stepping on.