Nevertheless, it is a good idea to stay calm since anxiety adds up to the severity of the symptoms and that is surely the last thing you'd like to do. One further mention here is that many of the dangers related to hobo spiders are in fact rumors and anecdotes found on the Internet. Hobo spiders definitely do not deserve the label of aggressiveness, and presently, there are trends of opinion among scientists related to the real danger of this species for humans: there are some who actually claim that hobo spiders are no threat to humans. Yet, we should nevertheless mention the fact that research on none of these treatments has been conclusive enough to be established as a general remedy for the brown recluse spider bites. In the majority of cases the wound is likely to heal without any medical intervention whatsoever, however, the exception appears in the cases when the venom spreads in a blood vessel. There are several other varieties related to the black widow spider; they live in South Africa and Australia, and the major difference from the North American black one is of color: they are red and brown. Even in North America there are three different types of the black widow spider and their classification is made according to the geographical area where they live: there is the northern black widow, the southern black widow and the western black widow; thus the species is widely spread from the south of Canada to Mexico. The legs of the huntsman spider are actually the characteristic element for the species: rather than having them attached vertically to the body, they are twisted, with a crab-like appearance. The huntsman spider is also identified by its colors ranging from brown to gray; depending on the globe area where it is encountered, the species may present other specificities as well, such as hairy legs, as it is the case with the Badge Huntsman variety. Trapdoor spiders are not that easy to identify since there are other similar species for which they are often mistaken: the funnel-web spiders and the mouse spiders are the most relevant examples here. Without detailed analysis, a correct identification cannot be performed, and it is usually for the professionals to succeed in such daring attempts. You can only be exposed to a hobo spider bite in case you accidentally crush one; the bite is pretty painful due to the toxicity of the hobo spider venom. The hobo spider is easy to recognize by the mixture of brown and rust shades; the species also carries another distinguishing mark: a herringbone pattern present on the superior side of the abdomen.