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Zoropsidae, also known as false wolf spiders for their physical similarity to wolf spiders, is a family of cribellate araneomorph spiders first described by Philipp Bertkau in 1882. [2] They can be distinguished from wolf spiders by their two rows of eyes that are more equal in size than those of Lycosidae.
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 ]
Zoropsis spinimana. Males of Z. spinimana reach a length around 10–12 mm (0.39–0.47 in), while females are 15–18 mm (0.59–0.71 in) long. This spider resembles a wolf spider, as its eyes are of the same configuration, but unlike wolf spiders, the eyes of Zoropsis spiders are more spread out along the front third of the cephalothorax.
Wolf spider. What they look like: With over 200 species of wolf spiders crawling around, it’s no wonder that they range in size and appearance. “The largest species can be up to an inch and a ...
A study conducted by researchers at Lewis & Clark College on a single female C. captiosus found that it carried a total venom protein of 604.25. [7] It has been reported that a bite from this species is described as a needle-like puncture with subsequent swelling about the site, nausea, dizziness, and flulike symptoms that persist for several days. [8]
Trochosa ruricola is a wolf spider whose common name is rustic wolf spider. The females are 15 mm (0.6 in) but can reach 25 mm (1.0 in), and the males are 10 mm (0.4 in). Both sexes are dark brown and have a pale band that runs down to the carapace and continues to the abdomen.
False black widows (Steatoda species) may look like their dangerous doppelgangers, but they lack the red hourglass-like markings found on black widow abdomens. These spiders offer bites that can ...
Even when spider do bite, normal ones typically cause a red raise bump that might itch and may only have mild symptoms of skin irritation. A Joro spider bite may have the same type of reaction ...