Not excessive when the Brazilian wandering spider (Phoneutria nigriventer) classified in the genus Phoneutria, which in Greek has the meaning of "female assassin". This type is one of the most venomous spider in the world. Its bite can kill a human. Its toxicity effect can also make a man experienced a painful erection.
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| The Brazilian wandering spider seeks out its prey. (Picture from: http://www.livescience.com/) |
These animals in the list of the most poisonous spider in the Guinness Book of World Records for many years. Animal with hair all over his body and black spots on the belly's got a powerful neurotoxin active among other poisonous spider. The strength description of spider's poison, only with 0.006 milligram its venom is enough to kill a rat.
The strength of this spider can start scrutinized since the 1920s. The spider's poison is a combination of toxins, proteins, and peptides. The toxin can affect the ion channel and cell receptors in the motoric nervous system of its prey. Consequently vary, from paralysis, edema (swelling of tissue), a burning sensation in the throat and lungs, to the production of excessive saliva and cramps.
Research in 2007 showed, in addition to the great pain, Brazilian wandering spider bites can cause male to experience priapism, or painful erection that can last for hours and cause impotence.
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| The Brazilian wandering spider, also called the banana spider for it’s notorious habit of hiding in bunches of bananas, causing great hazards to banana pickers. (Picture from: http://thelife-animal.blogspot.com/) |
"An erection is a side effect experienced by every person bitten by this spider, and will be followed by great pain," said one of research team member Romulo Leite of the Medical College of Georgia. "We expect this to be extended to the development of drugs for erectile dysfunction."
Although poisonous, the deadly spider is actually not aggressive animals. When threatened, they only lift its paws. They bite if it is in a very desperate situation. This spider is even more often on the ground, hiding behind pile of leaves or tree trunks.
The Brazilian arachnida is referred to as a traveler because their hunting behavior when searching for prey. Spider's body measuring 5 cm with a leg spans reaching of 12-15 centimeters does not make nets and wait for trapped its preys, but traveled on the ground. They will trap and direct attack.
When searching for prey, they actively hunt rather than relying on sticky nets as the weaver spider. They prey on insects, another spiders, small amphibians, reptiles, and rodents. Another thing that causes this animal is considered extreme was the female attack its male partner after they mated.
They spend most of their time in hiding under logs or holes, and come out to hunt at night. Brazilian travelers spider like vegetation within the forest floor with a damp leaves and dark. But they are also often found in banana plantations and live under the foliage dry.
Spite of the ground in the forest like a damp, dark, Brazilian wandering spider also frequently found in cities and human settlements. Once a Brazilian traveler spider populations found in urban area, such as Sao Paulo and Rio de Janeiro.
There are eight species of Brazilian wandering spiders, and all were found in the country. Some species can also be found throughout Latin America, from Costa Rica to Argentina. Arachnid is also known to frequent became dangerous stowaway in the shipment of bananas to various countries. That's why they've been given the nickname "banana spider".
Although this spider is deadly, the death cases from spider venom is very little. In 2008, in Brazil only occurred 10 deaths from 7,000 cases relating to the spider bites. Around 2.3 percent bite cases should be treated with a poison antidote. However, if a dose of poison is considered small, quite treatable with common sedative. *** [EKA | FROM VARIOUS SOURCES | LIVESCIENCE | MIRROR | GABRIEL TITIYOGA | KORAN TEMPO 4423]
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