Useful Tips

Brazilian wandering spider (runner, wandering, soldier)


The Brazilian wandering spider is sometimes confused with a tarantula due to the similarity in size and hairline. However, these spiders have two differences: they belong to different species and they behave differently. The Brazilian wandering spider is very fast and aggressive, while the tarantula is slow and humble. The Brazilian wandering spider does not weave cobwebs; it roams the surface of the earth in search of its prey. It is also called a banana spider, as this spider can often be found in clusters of bananas imported from Latin America.

  1. 1 Check out information about the Brazilian wandering spider. Below are the main features.
    • Length: the size of the body of a spider reaches 2.5 cm in length, with a span of paws up to 13 cm.
    • The presence of poison: poisonous
    • Area of ​​residence: South and Central America
    • Nutrition: This spider is an active hunter. Eats crickets, lizards, insects and mice.

Method 2 Habitat

Brazilian wandering spiders are very aggressive, so you should go around their habitats, especially when visiting countries in South America. Try to find a spider in the daytime, when they are hiding from sunlight. The following are possible locations:

  1. 1
    • On shelves with linen or clothes.
    • In boxes
    • In shoes, boots
    • In cars
    • In a bunch of firewood
    • Under a canopy or in a garage
    • In cabinets (in dark places at home)

Method 3 Treating a Bite

The poison of the Brazilian wandering spider, in comparison with the poison of other spiders, acts very quickly. If you bite, you should immediately seek emergency help. In case you cannot get immediate help, you should do the following:

  1. 1 Lie down and be as calm as possible - this will help slow down the process of the poison.
  2. 2 Bandage the bite site, put a tight bandage above the bite site to prevent or slow the spread of the poison. Make sure that the bandage is not very tight, does not interfere with blood circulation in the limb.
  3. 3 Wash the bite site with soap and water.
  4. 4 Get first aid as soon as possible. A spider bite can be fatal.

Description of appearance

The Brazilian wandering spider grows to a size of 15 cm, which is equal to the size of the hand of an adult. It is assigned to the largest spiders. The color is diverse - gray, brown, black, red, brown. The body is divided into the abdomen, cephalothorax, connected by a thin jumper. Powerful long legs in the amount of 8 pieces. Well marked stings. The photo is located below.

The whole body is covered with small, thick hairs. The legs serve as an instrument of movement, are the organs of smell, touch. On the head of the spider there are 8 eyes, providing a wide outlook.

A wandering spider sees in different directions, but does not differ in good vision. Perceives silhouettes, shadows, responds well to movement.


The Brazilian spider runner got its name because of the features of life, certain qualities. The animal moves quickly, jumps well. Lives on trees, in most cases, these are bananas. Nor is it worth it; it constantly moves from one place to another in search of food.

The Brazilian spider forms powerful hunting networks. The largest diameter reaches 2 m. The threads are so strong that they freely hold birds, lizards, snakes, small rodents. Fishermen put the web in several layers, used to catch fish.

In search of food, the Brazilian wandering spider often crawls into apartment buildings. Hiding in cabinets with dishes, things, shoes, in the corners of rooms. Since in such conditions it does not weave a web, its presence does not betray.

The main diet is insects, snails, small spiders, caterpillars. Often victims are small birds, rodents, lizards, snakes. A soldier spider lies in wait for shelter in a shelter. At its appearance, it takes a characteristic posture - it rises to the hind limbs, raises the front limbs, pulls the middle ones forward, spreads it to the side. Waits for the right moment, rushes to attack.

Spider runner injects poison, saliva. The first substance paralyzes the prey, the second turns the insides into a liquid mass, which the predator then drinks. Insects die almost immediately, frogs, rodents, snakes in 15 minutes. A Brazilian soldier spider hunts at night, hiding in the afternoon away from sunlight under stones, in crevices, in the leaves of trees.

What is dangerous spider bite

The Brazilian wild wandering spider is known as one of the most venomous arthropods. On this occasion, he is listed in the Guinness Book of Records.

If timely assistance is not provided, the consequences of a bite of a Brazilian wandering spider can be dire. At the same time, his aggression is manifested only in self-defense and if you do not anger the animal, then you can avoid danger.

When the poison enters the victim’s body, it suffers a piercing pain at the site of the lesion. The neurotoxins present in the composition instantly penetrate the blood.

This causes a severe allergic reaction, which manifests itself:

  • Increase in pressure.
  • Difficulty breathing.
  • Dizziness, headache.
  • Fever.
  • Weakness.
  • Nausea.
  • Puffiness.

If medical care is provided immediately, then grave consequences can be avoided. Otherwise, rigor mortis, spasms, paralysis of the respiratory muscles, followed by their atrophy, begin. Death by a stray spider bite occurs predominantly from suffocation or cardiac arrest.

Important. If the spider has bitten once, then it will try to strike a second blow. Arachnid does not flee, but aggressively defends himself to the last. For a fatal outcome, a person needs only one dose of poison.

The average time from the moment of a bite to the onset of death ranges from 20-45 minutes. It all depends on the state of health and strength of the body. An increased allergic reaction is observed in children, the elderly, individuals with individual intolerance, and patients with reduced immunity. In this case, death can occur earlier.

After the development of the Phoneutria antidote, the number of fatalities has decreased significantly and is only 3% for all bites of the Brazilian traveler spider.

Brazilian Wandering Spider / Banana Spider


Runners lead a solitary lifestyle, gather in pairs at the time of mating. The male feeds the female with food. Such manipulation is necessary so that the spider simply does not eat it. After fertilization, the "boyfriend" should immediately disappear, as a hungry female can begin her hunt.

After some time, a wandering spider lays eggs in a cocoon formed from a web or on bananas. Cubs are born in 20 days, creep in different directions. Up to a hundred little spiders are born at a time. An adult lives on average 3 years.

Brazilian wandering spider

Where dwells

The Brazilian wandering spider is also called a soldier. So he was nicknamed for the feature of raising the front paws up. The traveler lives in the tropics and subtropics of South and Central America. You can see it on the territory of Ukraine, Belarus, Russia only in terrariums at specialized exhibitions.

Less often from the forest, he moves to a dwelling, mainly to do this makes it necessary to seek protection or food. In this case, wandering spiders can crawl into shoes, things or boxes.

Since Brazilian travelers are nocturnal residents, their driftwood, stone, closet and basement serve as their shelter during the day. Arthropods spend most of their life on the ground, but can hide in grass or on tree trunks.

A wandering spider loves small insects, lizards, weakened and sick birds. The diet of arthropods is quite diverse and may include frogs, caterpillars, snails, spiders of another species, and even their own relatives. But most of all he likes meat. The poison is able to digest the contents to the state of the broth, which the animal regales.

Because of the addiction to bananas, a wandering spider is often called a banana. It can enter fruit boxes and thus move to another country or continent.

Brazilian spider is a good runner. He jumps and runs perfectly. In search of food, he constantly moves from one place to another. That is why he does not build a hole. Seeing the victim from the shelter, the wanderer spider raises its front paws, pulls the middle pair forward and to the side. When attacking, it immediately sticks its teeth and injects poison. This helps to neutralize the victim in seconds.

In the wild, a spider for catching prey arranges its web as hunting networks. In diameter, they can reach 2 meters. The structural strength is enough to catch lizards, medium-sized birds, small rodents, and snakes. This web is sometimes used by fishermen. Folded in several layers, it is suitable for catching small fish.

In the house, Brazilian wandering spiders do not weave a web, so they will not be able to detect them by this sign.

Danger to humans

The British wandering spider is one of the most poisonous representatives of its huge family. A toxic substance disrupts the nervous system, causes cramping. Possible consequences of a bite:

  • abdominal pain,
  • nausea,
  • weakness,
  • vomiting
  • diarrhea,
  • dizziness,
  • temperature change
  • arrhythmia,
  • headache,
  • high blood pressure
  • difficulty breathing, shortness of breath.

At the site of the bite, redness, swelling, pain, burning appears.

The situation is especially dangerous for young children, people with weakened immune systems, the elderly, and allergy sufferers. The poison of a Brazilian wandering spider can kill a child in 15 minutes, an adult in half an hour. Anxiety symptoms develop within 20 minutes after the attack of a predator. However, with the provision of qualified assistance, the condition normalizes. Call an ambulance immediately if you have difficulty breathing.

Poison in high concentration leads to muscle failure, heart function is impaired, breathing is difficult. Death occurs as a result of suffocation. There is an effective antidote - Phoneutria. With its introduction, a person’s life is not in danger.

Benefits of the Brazilian Wandering Spider

Animals around the world are kept as a pet. Attracts an unusual appearance, large size. In artificially created conditions, the runner lives up to 3 years, multiplies, feeds on insects.

The poison contains a powerful neurotoxin PhTx3, which is used in medicine in a strictly dosed concentration. The substance has a beneficial effect on male potency. Effective medicines are made on the basis of poison.