black widow spider

Black widow spiders Latrodectus species are common to eastern Washington. Black widow spiders are very venomous and can cause extreme pain or sickness if you are bitten by one.

Black Widow Spiders Nature S Odd Couple

This affects the nervous system causing symptoms such as.

. They appear hard black and shiny. A few small populations of black widows exist in western Washington. Those species fall into two groups the brown spiders Loxosceles spp. The black widow is a medium-sized spider -- about a half-inch long.

Black widow spiders are not aggressive to humans and only bite when threatened but their venom is a neurotoxin. Of the more than 3700 species of spiders in the United States only about a dozen are considered medically important. Black widow spiders are about the size of a half-dollar including the legs. The classic marking is a red hourglass.

Free Shipping Expert Advice. This spider has a shiny black globe-shaped. Black widow spiders favor dark secluded areas such as crevices and woodpiles. The abdominal section is large and rounded.

The southern black widow. Female black widow spiders are the most dangerous and are easily identified by the red hourglass on her belly with a shiny black body. Inside the home black widows typically hide in sheltered dimly lit locations such as garages dark corners. Two species are common to the United States.

Ad Do-It-Yourself Save. Males on the other hand have red and yellow. These spiders live throughout the United States and typically in warmer regions of the. Black widow spiders are several species of arachnids in the genus Latrodectus that are known for the females unique and striking appearance as well as their rumored.