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The widow spiders (genus Latrodectus), such as the black widow, redback spider, and katipō are spiders that carry a neurotoxic venom [18] which can cause a set of symptoms known as Latrodectism. Widow spiders are large, shiny house spiders with relatively spindly legs and deep, globular abdomens.
Common house spiders will bite humans only in self-defense, when grabbed and squeezed. [citation needed] The species' synanthropic habits, however, increase the risk of human bites. [2] Common house spiders possess poor vision and cannot detect any movement more than three to four inches away. If cornered, they will feign death as last resort.
“This is one of the few species of spider that can be dangerous to people,” says Potzler. “There are approximately 2,200 bites reported each year, but there has not been a death related to a ...
Types of venomous spiders. Of the four venomous spiders in South Carolina, three are from the widow family: the southern black widow, the northern black widow and the brown widow, according to the ...
Nesticodes is a monotypic genus of comb-footed spiders containing only the red house spider [Nesticodes rufipes (Lucas, 1846)]. [1] It was first described by Allan Frost Archer in 1950, [ 2 ] and has a pantropical distribution due to ship and air travel.
Symptoms of spider bites vary depending on the type of spider and if their venom is poisonous. Venomous spider bites can cause many side effects, according to the CDC , such as: High blood pressure.
The name house spider is a generic term for 11 different spiders commonly found around human dwellings, and may refer to their common name: Yellow sac spider , Cheiracanthium inclusum , a common spider worldwide often found in dwellings
Still, many species, like house spiders and jumping spiders, are found in every state, says Scot Hodges, vice president of professional development and technical services at Arrow Exterminators in ...
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