Search results
Results From The WOW.Com Content Network
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 ).
These spiders are solid and strong-looking with reddish-brown to black bodies. The males have distinctive long red or red-orange legs from the femora downwards. The females have legs the same color as the body. Females are known to reach a body length of about 25 mm, or just under an inch, including the chelicerae. Males are smaller with a body ...
Phidippus audax are commonly referred to as "bold jumping spiders" or "bold jumpers". [8] The species name, audax, is a Latin adjective meaning "audacious" or "bold". [8] This name was first used to describe the species by French arachnologist Nicholas Marcellus Hentz, who described the spider as being, "very bold, often jumping on the hand which threatens it". [9]
“The hobo spider can inflict a painful bite that results in localized red swelling and some pain, but no necrotic lesion,” Potzler says. Usually, symptoms will get better within 24 hours with ...
Females can reach 12 mm body length, males 7 to 11 mm. Both sexes have blue-green iridescent chelicerae, a black cephalothorax and limbs, and a bright red abdomen with a median black stripe (similar to the female P. johnsoni). Between the black and red areas on the posterior part of the dorsal abdomen there are two minute white spots.
Nicodamus peregrinus, known as the red and black spider, is a spider found in eastern and southern Australia. [1] Unlike the redback spider ( Latrodectus hasseltii ), the bright red colouration does not appear to warn of significant danger to humans.
Smith and Aggson said female black widows are jet black with a distinct mark that looks like a bright orange or red hourglass on the underside of their abdomens, which appear fat. ... black spider ...
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen. This "hourglass" mark can be red, yellow, and on rare occasions, white.