Black and Yellow Spider
A large black-and-yellow spider sitting head-down in the middle of a wheel web, often with a zigzag ribbon of white silk running through it, is a yellow garden spider. It is harmless, it will not chase you, and it is one of the most useful animals in a garden.
The web tells you before the spider does
Black-and-yellow is a common warning-colour combination, so the pattern alone does not narrow much. What the animal built narrows it immediately.
- A big vertical wheel web with a white zigzag through the centre — yellow garden spider.
- A huge golden-tinted web, spider hanging with banded legs — golden silk spider, in the southeast.
- No web at all, hunting on foliage, bright green rather than yellow — a lynx spider.
- Small, in a tangle in a corner indoors — not this group; check the house spiders.
- Six legs rather than eight — an insect, most likely a wasp, and worth taking more seriously.
What it probably is
- Yellow Garden Spider. Bold black-and-yellow abdomen, 20–28 mm, hanging head-down in a wheel web with a zigzag silk stabilimentum. Harmless.
- Banana Spider. Longer and more elongated, with tufts on the legs and a web that looks distinctly golden in sunlight. Southeastern US. Also harmless.
If you still can’t tell
Step back and photograph the whole web rather than zooming on the spider. Web shape and position separate this group faster than markings do, and the answer is reassuring whichever way it goes — there is no black-and-yellow orb weaver in North America that is medically significant. If the animal has six legs and a narrow waist, you are looking at a wasp instead, and that is a different page.
Common questions
Is a yellow garden spider dangerous?
No. It can bite if squeezed and the effect is comparable to a bee sting with no lasting harm. It has no interest in people and will drop out of the web rather than confront anything.
What is the zigzag in the web for?
It is called a stabilimentum and there is no settled answer. Proposed explanations include warning birds off the web and attracting prey; the honest position is that it is not resolved.
Should I remove the web from my garden?
There is little reason to. A garden spider eats a considerable number of flying pests over a season, the web is rebuilt daily anyway, and the spider dies off in autumn.
Or just photograph it
If none of these fit, the identifier will take a photo and give you a species, a danger verdict and what it is commonly mistaken for. It says when a photograph cannot settle something rather than guessing — what it can and can’t do.
Where this was checked
- iNaturalist — Argiope aurantia checked 2026-07-30
Last reviewed 2026-07-30.