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Phoneutria nigriventer is a species of medically-significant spider in the family Ctenidae, found in the Southern Cone of South America (Brazil, Uruguay, Paraguay, and Argentina). [1] Along with other members of the genus, they are often referred to as Brazilian wandering spiders .
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]
The spiders in the genus can grow to have a leg span of 13 to 18 cm (5 to 7 in). Their body length ranges from 17 to 48 mm (43 ⁄ 64 to 1 + 57 ⁄ 64 in). [4] [5] While some other araneomorph spiders have a longer leg span, the largest Phoneutria species have the longest body and the greatest body weight in this group. [6]
“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 ...
Wandering spiders (Ctenidae) are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. [1] They are highly defensive [2] and venomous nocturnal hunters.
The largest of these spiders can skate across water, chase down their prey, reach 4-4.5 inches in length and can be found in your own backyard.
Phoneutria sp. Brazilian wandering spiders with 9 species, these spiders grow 30–50 mm in length and 150 mm in wingspan, and are characterized by their aggressive behavior, in the 1970s, were responsible for 7,000 hospitalizations, only in Brazil, between 2007 and 2010, 18 deaths from Phoneutria nigriventer were registered, only in Brazil ...
These spiders are brown in color with long legs attached to a body of roughly 9 millimeters in length, Penn State Extension writes. Brown recluse spiders sport three pairs of eyes arranged in a ...