The term "banana spider" actually refers to three different types of spiders; the Brazilian wandering spider which is poisonous, the golden silk orb-weaver which is not poisonous, and the Argiope appensa which is also not poisonous. While caution is advisable around any spider, knowing the precise arachnid with which you are dealing is vital for safety.Know More
The Brazilian wandering spider is indigenous to the tropical regions of South America, although one species also appears in Central America. All of these are part of the Ctenidae family, all wandering spiders. In the 2010 Guinness Book of World Records, the Brazilian wandering spider is listed as the world's most venomous. The good news is that effective antivenoms are available, but it is still best to avoid bites.
The golden silk orb-weaver appears in many different habitats around the world. In North America, they are often called writing spiders because of the patterns in their webs. Their legs feature stripes with tips pointing inward, a specialization for sewing. Their alternation between green or yellow with black or dark brown signals predators that they have venom, although they actually are not poisonous.
The Argiope appensa is a gold and black spider that is indigenous to islands in the Western Pacific Ocean, although it has also been introduced to New Guinea, Taiwan and Hawaii. The striking alternation of black and gold is the most noticeable feature.Learn More
Hobo spiders are venomous. Although a hobo spider bite initially inflicts only slight redness and a minimal amount of pain, this preliminary reaction is deceptive. After about 24 hours, a blister forms. Soon after, the blister opens and begins oozing.Full Answer >
The bite of a wolf spider is poisonous, but they are generally non-lethal. The spiders bite if they are provoked, and they are considered dangerous to humans.Full Answer >
Red house spiders are not poisonous. Spider fangs are too weak or small to puncture human skin, but when they do, the venom is harmless and at most may cause redness, slight swelling and itching.Full Answer >
While Michigan is home to 39 different species of spiders, the southern black widow is the only poisonous spider indigenous to the state. The other 38 species of spider native to Michigan are not poisonous. Only three types of venomous spiders live in the United States.Full Answer >