Is that a black widow spider? How to tell, and what to do
Even if you know nothing about this spider, a few key details probably come to mind: a visible red hourglass mark and a ...
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Black Widow Spiders
Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.
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What happens if you're bitten by a black widow spider?
Venom 15 times stronger than a rattlesnake — the black widow spider. What happens when it bites? All black with a red hourglass, just bigger than a paperclip. Only the female can bite humans.