A RED BACK!!!
bY THE WAY I WOULDN'T TOUCH IT!!
THEY ARE REALLY DEADLY, ESPECIALLY THE BABY ONES!!!
^ i wouldn't pay attention to that
If the red is on the belly then worry more, it the red is on the back its not a black widow, ive seen a bunch of Spiders with a black body and white stripe, they are jumping spiders, the red button i don't know much about.
The spider you are referring to is likely the black widow spider. The female black widow has a distinct red hourglass shape or white crescent on its abdomen. They are known for their venomous bite, so caution should be taken when encountering them.
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could be a male crab spider, or a writing spider.
The spider with a black line on its back is commonly known as the black widow spider.
The white-backed spider is a common name for the Steatoda nobilis, a species of spider known for the white marking on its back.
The spider with two black stripes on its back is commonly known as the zebra spider.
Spiderman
The spider with a white sack on its back is likely a female wolf spider carrying her egg sac.
Could be the arrowhead spider.
The worst kind.
a garden spider
It's most likely the common "Daring jumping spider," Phidippus audax. It's completely harmless.