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There are a few larger spider species, including wolf spiders and fishing spiders, that might get aggressive and bite humans if they're provoked. But bites from these spiders aren't dangerous.
The body length (excluding legs) of a male is 10–14 mm (0.39–0.55 in), and for females 10–15 mm (0.39–0.59 in). The leg span may be as long as 75 mm (3.0 in). The abdomen is a yellow-gray except for a pale median band consisting of a series of connected triangles edged by brown.
“In general, spiders will bite only if they can’t get away from you, or are protecting their babies and don’t want to leave the babies behind, and/or they are being crushed or otherwise hurt ...
A venomous spider bite (like this brown recluse bite) can cause a red or purplish rash radiating from the site of the bite. There are only a few species of spiders in the U.S. that can bite humans.
The spider biting apparatus is short and bites are only possible in experimental animals with pressure on the spider's back. Thus many bites occur when a spider is trapped in a shirt or pant sleeve. There is no commercial chemical test to determine if the venom is from a brown recluse. The bite itself is not usually painful.
Bleeding also may occur with a bite. Signs of a bacterial infection due to a spider bite occur infrequently (0.9%). [9] A study of 750 definite spider bites in Australia indicated that 6% of spider bites cause significant effects, the vast majority of these being redback spider bites causing significant pain lasting more than 24 hours. [10]
Bites usually occur on limbs like legs and initially don't cause pain or symptoms. Black widow bite symptoms can begin 30 to 120 minutes after the bite and include: Muscle pain, especially in the ...
These pictures of common venomous bites, including brown recluse and black widow spider bites, will help you determine what bit you and how to relieve symptoms. What You Think Is A Spider Bite Is ...