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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.
The blacktailed red sheetweaver (Florinda coccinea), also known as red grass spider, is a species of dwarf spider.It is the only species in the monotypic genus Florinda.It was first described by Octavius Pickard-Cambridge in 1896, [3] and has only been found in Mexico, the West Indies, and the United States. [1]
Phidippus johnsoni, the red-backed jumping spider or Johnson jumping spider, is one of the largest and most commonly encountered jumping spiders of western North America. It is not to be confused with the unrelated and highly venomous redback spider ( Latrodectus hasselti ).
“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 ...
Males, meanwhile, are much smaller than females with white underbody markings and red spots. Black widow spiders are usually found in dark and undisturbed places, including under stones, in stumps ...
How to identify dangerous spiders. ... Black Widow spiders are easily recognized by their black color and red hourglass shape, commonly found on the underside of their abdomen. They are common in ...
Phoneutria nigriventer, the Brazilian wandering spider (a ctenid spider) is a large brown spider similar to North American wolf spiders in appearance, although somewhat larger. It has a highly toxic venom and is regarded (along with the Australian funnel-web spiders ) as among the most dangerous spiders in the world. [ 6 ]
Female widow spiders have unusually large venom glands, and their bite can be particularly harmful to large vertebrates, including humans. However, despite their notoriety, Latrodectus bites rarely cause death or produce serious complications. [citation needed] Only the bites of the females are dangerous to humans.