Is A Banana Spider Poisonous

Is A Banana Spider Poisonous. With their enormous size and dramatic color, banana spiders may appear dangerous, but are they really? The question “Are banana spiders poisonous?” is one that many people are curious about. A banana spider’s bite is unpleasant, but it isn’t fatal.

Thankfully, outdoor spiders rather than indoor spiders are common. The large wood spider, calico spider, golden silk orb-weaver, and writing spider are some of the other names for this species.

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The Banana Spider Web

What are the characteristics of a banana spider? A banana spider is the common name for numerous spiders found all around the globe, and it may sound like it’s a spider that eats bananas or resembles a banana.

Some are named after the yellow bodies of the individuals, while others reside on banana plants and in imported banana shipments.

The webs made by banana spiders are renowned for their intricacy and size, which helps them capture prey. These webs are extremely huge and robust, with a diameter of up to 6 feet.

In forest and wooded regions, females create their webs near hiking routes. These spiders have the ability to adjust the color of their silk to match the lighting conditions in a given area. As a result, unsuspecting prey find it difficult to see the web.

These spiders are important predators in their environment, despite the fact that no one wants to deal with one of them face to face. They consume a large amount of harmful insects.

How Do Banana Spiders Reproduce?

Molt is the process by which banana spiders change their colours. A female halts feeding and web repair four days before her last molt. At this moment, she is sexually active. He vibrates his abdomen with a plucking motion when a male approaches her for copulation.

The female is aroused by this action, protecting her from consuming him (at least temporarily).

The female creates at least two huge (about an inch in diameter) egg sacs on a tree after being inseminated. Hundreds of eggs are contained in each sac, which is wrapped in curly yellow silk. As she performs this, the male guards her. Females may survive up to a month after the final molt, while males may survive two to three weeks.

Throughout adulthood, females may alter their web sites and male partners. In North America, banana spiders have one offspring every year.


In South and Central America, Brazilian wandering spiders thrive. On fruit shipments, these spiders sometimes make their way into other countries. These insects, on the other hand, are most often found in the Amazon and have little human interaction.

Central America is home to Cupiennius banana spiders. The likelihood of exporting them to Canada through banana plantations is minimal, but it may occur. During the day, these pests hide, then at night they emerge. During the first three hours of darkness, banana spiders are most active.

Is a banana spider bite poisonous?


Banana spiders are poisonous and may bite humans. They are especially dangerous to small children. The nervous system is poisonous to their poison. In men, their bites induce symptoms such as increased saliva, an abnormal pulse, and extended, painful erections (priapism).

A residence in London was fumigated in late 2013. A banana bunch with an egg sac inside was delivered to a nearby grocery shop. The egg sac broke open in the house after purchasing the bananas, releasing its deadly Brazilian wandering spiders. The house was overrun with vermin, which created a slew of problems for the family.

The spider bite causes localized pain and slight redness, which goes away quickly, if it is held or pinched.

If you are visiting a well-equipped hospital, banana spider bite fatalities are uncommon. Nonetheless, since the venom is probably life-threatening, those bitten by this spider must seek urgent medical care. For banana spider stings, there is an antivenom available. Surprisingly, the male spider’s venom is superior to that of the female. It is the spider that bites the most people and is therefore very dangerous.

Types of banana spider

The banana spider is a common name for several species of spiders, although they aren’t all related. They all have teeth, but their bites are seldom very harmful.

Golden silk orb-weaver

This kind is also known as a banana spider because of the form of its body, which is sometimes called a calico spider, writing spider, or golden orb spider. It comes from the Nephila family of spiders and has the scientific name Trichonephila clavipes. This family also includes the lumbering arachnid.

While it is threatened, it may bite, although its venom is safe for humans. It’s regarded as being fairly safe. Males are typically 0.25 inches (6 mm) long, while females can grow to three inches (75 mm).

Orange, yellow, black, brown, and white are the colors they come in. They are most prevalent in the southeast of the United States. They prefer high humidity and vast open spaces. They can be found in wooded regions, near trails and clearing borders.

Nephila means “avid of spinning” in Greek. A golden silk orbweaver can create webs that are up to 3 feet wide. These webs are spun from very strong silk.

Silk from the golden silk orb-weaver is tougher than Kevlar, a fiber used in bulletproof vests, according to a research published in Nature GeneticsTrusted Source. Spiders create webs that are both strong and aesthetically appealing in a variety of ways, using different kinds of silk glands.

Red-faced banana spider and other Cupiennius
Cupiennius spiders are sometimes found in banana shipments. Scientists documented 10 red-faced banana spiders arriving at international baggage over a five-year period, according to a research conducted in 2014.

Types of Cupiennius include:

Cupiennius chiapenensis is the species name. Because they have two appendages in front of their mouth covered in bright red hairs, people refer to these red-faced banana spiders.
Getazi Cupiennius is the name given to him. The underside of their legs and body have black dots against a white background.
Cupiennius coccineus is a species of bug that lives in the United States. Under their legs, near their bodies, they have brilliant red hairs.
These species’ medium-sized males may be up to 0.5 inches (12 to 14 mm) long, while females may be up to 0.5 inches (12 to 20 mm). Males may grow to be up to 1 inch (26 mm) long, whereas females may grow up to 1.5 inches (38 mm).

In a 2014 article, it is stated that these spiders are not particularly aggressive or poisonous, contrary to popular belief.

Brazilian wandering spider

Cupiennius spiders are frequently confused with the Brazilian wandering spider, which belongs to the Phoneutria family and is considerably more harmful. P. is one of them. P. fera and Fera are the same thing. Nigriventer is a genus of mammals.

Because humans have occasionally discovered it in boxes of bananas, this spider is also known as the banana spider. The armed spider and the huntsman spider are two other names for this species.

These spiders, on the other hand, prefer to dwell in limited human contact regions of Brazil. Because they grow in locations outside of Brazil where commercial banana production does not occur, they are highly unlikely to appear in banana shipments outside of Brazil. Only seven occurrences of Phoneutria spiders in banana shipments were reported globally between 1926 and 2009.

The bite of the Brazilian wandering spider, which can grow to be 2 inches (50 mm) long, may be harmful to humans. Except for those under the age of ten or over the age of seventy, it is not typically deadly to humans.

Around 4,000 individuals are bitten by this kind of spider each year, according to a research published in 2018, with only around half of them suffering serious injuries. Following a bite, only about 3% of individuals require antivenom, and the majority of individuals may simply treat their symptoms. Only two of the 15 fatalities recorded in Brazil between 1903 and 2003 were verified to be spider bite fatalities.

Hawaiian garden spider

Females come in yellow patterns and may reach a length of 2.36 inches (60 mm) when fully grown, making them an orb-weaving spider as well as a banana spider. Males are smaller than females, have less vibrant colors, and can be up to four times smaller. Argiope appensa is the Latin name for this species.

Several Pacific islands, including Hawaii and Guam, have spiders. They’re not harmful to humans, and they might be utilized in the garden as a natural form of insect management.


Since some banana spider species are extremely venomous and others have a mildly painful bite, the term “banana spider” is a frequent misnomer.

The Brazilian wandering banana spiders, Phoneutria genus, are one of the world’s most venomous spiders and their bite is capable of killing humans, particularly children.

Fortunately, in the United States, this spider is rather rare. Banana spiders, which can be found in the United States, are spiders of this type. Their bite isn’t as dangerous or unpleasant as that of other spiders, such as the brown recluse or black widow spider, and they aren’t able to bite.

A banana spider sting is often less severe than a bee sting, with the exception of local discomfort. Since banana spiders aren’t likely to bite unless they have no other option, they’re more like pests that feed on flies, beetles, and dragonflies.

How Dangerous are Banana Spiders?


Although all banana spiders bite, the severity of the bite varies. Just being stung by a bee is as painful as being bitten by a less venomous banana spider, and no other symptoms will occur. Bites may additionally cause reddening and blistering, albeit not very often.

Those allergic to a banana spider’s venom may experience asthma, hives, or swelling if they are bitten by one.

In contrast, the Brazilian wandering banana spider has a more harmful impact on people. The bite of the Brazilian banana spider may cause severe drooling and an irregular heart beat, and its venom is harmful to the human nervous system.

Nonetheless, anti-venom for these spider bites is accessible, and if it is sought immediately, fatalities are uncommon. Bites from the Brazilian banana spider typically begin 2 to 3 hours after being bitten, and include:

-Burning sensation.
-Pain that spread to other areas.
-Increased blood pressure.
-Blurred vision.
-Involuntary muscle contractions.
-Bluish bite wound.
-Missed heartbeat.
-Severe chest and belly pain.
-Heavy sweating.
-Swelling of bite site and rash.
-Difficulty breathing.

If the bite is not treated promptly, it may result in death. The severity of the symptoms determines how serious the bite might be.

What is a typical Brazilian wandering spider? The patch of thick, fine hair on their pedipalps (pair of appendages adjacent to the chelicerae mouthparts) distinguishes Phoneutria from other large, brown and hairy spiders with long legs.

Because they’re frequently found in banana shipments, Phoneutria spiders have a lot in common with Cupiennius. They’re another genus of spiders sometimes known as banana spiders.

They are big, hairy, and brown. They hunt their prey at night rather than using webs and hail from Central and South America. Moreover, Cupiennius-like bright red mouthparts are found in the Phoneutria fera species.

It’s important to know the distinctions between these two spider types, in addition to their similarities. Bites from Phoneutria are dangerously toxic to humans and have been known to kill small children, despite the fact that they are uncommon.

Fortunately, there are a few ways to tell the difference between these two spider species.

The pedipalps, or two appendages beside the chelicerae mouthparts, of Phoneutria feature patches of dense, fine hairs.

Take a look at the forelegs instead if you don’t want to get that close to the spider. The front edge of Phoneutria forelegs is commonly striped, and the underside is striped black and yellow/white.


How to get rid of Banana Spiders

Most homeowners don’t feel comfortable having banana spiders too close to their homes or property, despite the fact that they try to avoid humans. Unless these spiders build their web in an area where humans are frequently encountered, preventing them isn’t usually necessary.

To prevent banana spiders from becoming a problem for you, take the following actions:

To keep spiders and insects out of your home, seal gaps and cracks in the exterior.
-Remove spiders by cleaning the ground clutter, fallen tree branches, or tall grasses.
-Hideout places for tiny insects may be eliminated by removing leaf or mulch piles from your yard. Spiders can’t exist without a constant supply of prey.