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.
the black widow or somthing else but im prety sure
hour glass
Black Widow
i think so yes the bite can cause a reaction where the flesh eats itself.
If the red spot is in an hour glass shape, it's probably a black widow, Latrodectus mactrans.
Does it have a red hour glass on its bottom? If not, nope! Who the hell is going to pick the spider up to see if it has red on its bottom?
No. The black widow is a shiny black with a bright red hour glass shape on its back.
yes it was crawling up my bedroom curtain
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.