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It is often referred to as the false widow, although "false widow" is a more general term applied to a wider group of species with this resemblance. [3] It is a moderately medically significant spider, with most bites resulting in symptoms similar to a bee or wasp sting. [4]
A bite of Latrodectus may not inject any venom (known as a dry bite) and so no illness occurs. About 75% of "wet" bites will have localized pain and nothing more. [1] If, however, there is a substantial dose, a bite can cause latrodectism. The main symptoms are generalized muscle pain, stomach cramps, nausea and vomiting.
When a widow spider is trapped, it is unlikely to bite, preferring to play dead or flick silk at the potential threat; bites occur when they cannot escape. [20] Many injuries to humans are due to defensive bites delivered when a spider gets unintentionally squeezed or pinched.
Intense pain, muscle stiffness, possible nausea, and vomiting are the telltale signs of a black widow spider bite, and these symptoms will likely occur within a few hours after being bitten ...
When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash. You might see two fang marks inside the bite area ...
Unlike most species of widow spider, which are dark in colouration; the white widow spider is, as its name implies, light-coloured, with colouration ranging from beige to white, though with darker legs. The spider lacks the bright red markings found on other widow spiders such as the black widow, the redback spider, or L. tredecimguttatus ...
Not so fast: The actual bite looks a lot like any other spider bite. However, they do tend to become more swollen and redder than your general household spider bite, Vetter says. Black widow ...
The symptoms associated with the bite of several Steatoda species have been named steatodism; and have been described as a less-severe form of latrodectism (the symptoms associated with a widow spider bite). The redback spider antivenom has been thought to be effective at treating bites from S. grossa, after it was mistakenly administered to a ...