black widow
The American Black Widow should have nothing upon its back but the black color it is. Specfically, the hour glass is on the belly of the spider.
hour glass
Black Widow
i think so yes the bite can cause a reaction where the flesh eats itself.
The spider with a target-like pattern on its back is commonly known as the arrowhead orb weaver spider (Verrucosa arenata). This species is known for its unique and distinct marking, resembling a target or bullseye.
No. The black widow is a shiny black with a bright red hour glass shape on its back.
The spider you are referring to is likely the Black Widow spider (Latrodectus mactans). It is known for its shiny black body with a red hourglass shape on the underside of its abdomen. It is important to exercise caution around this spider, as its venom is potent.
Black widows external features are, they are black with a red hour glass on its back.
It doesn't. It has the red hour glass on its belly.
they are one of the most posionist spiders in the world and they have a red hour glass on its back.
It is a wolf spider better known as a common house spider, because of the white ring and larger abdomen it would be a pregnant female, some people see the ring and fear its poisonous do not worry, others might suggest it is a black widow where as they are pitch black with a tear drop shaped abdomen and a yellow or red hour glass shape on their belly (underneath)
Araneus diadematus Scroll down to see pictures of it when young with the yellow body and black spots: http://www.nicksspiders.com/nicksspiders/araneusdiadematus.htm -Michael Cline