Some of them are orb weaving spiders and some of them are non orb weaving spiders.

Spiders like to build spiderwebs.

Laws are like cobwebs, which may catch small flies, but let wasps and hornets break through.

When you look at this orb web, you're actually seeing many types of silk fibers.

If it wasn't able to stretch so much, then basically when an insect hit the web, it would just trampoline right off of it.

Minor ampullate silk is used in web construction.

And I normally rig it with the web of a money spider.

You can't help but actually ripping that spider web apart.

Pyriform silk glands make the attachment cement that's the silk that's used to adhere silk lines to a substrate.

And in the back you can see a spider web pattern.

It's been hypothesized that orb weaving spiders, like this argiope here, should have the toughest dragline silks because they must intercept flying prey.

Learn how to program with ants and spider webs

You know spiderwebs? Sure, they are products of evolution.

But it's much more connected to the Web.

My father died of a subarachnoid hemorrhage when I was fourteen.

The frame and radii of this web is made up of one type of silk, while the capture spiral is a composite of two different silks the filament and the sticky droplet.

Here is a pest, devastating pest, a spider mite, because it does a lot of webbing like a spider.

So if the web was made entirely out of dragline silk, an insect is very likely to just bounce right off. But by having really, really stretchy capture spiral silk, the web is actually able to absorb the impact of that intercepted prey.

And that spider web pattern corresponds to the local coordinates in the sky.

We think that's because the dragline silk, which is used to make the frame and radii for a web, needs to be very strong.

The next time you see a spider web, please, pause and look a little closer.

The 21 species are indicated here by this phylogeny, this evolutionary tree, that shows their genetic relationships, and I've colored in yellow the orb web weaving spiders.

Man I clean my ceiling fans with that and I get the spider webs off my house I do it that way.

This is the dragline spun by scytodes, the spitting spider.

Most spiders use copious amounts of silk, and silk is essential to their survival and reproduction.

There's the aggregate and flagelliform silk glands which combine to make the sticky capture spiral of an orb web.

This is the silk that's used to make the frame and radii of an orb web, and also the safety trailing dragline.

I would never have the money to actually pay for the installment or pay for all the billboards or the production of these, so there's always a client attached to them.

These are spinneret glands on the abdomen of a spider.

For example, this garden spider can make seven different kinds of silks.

In fact, the toughest dragline in this survey is this one right here in this white region, a non orb web weaving spider.

There's an old African proverb that goes When spider webs unite, they can halt even the lion.

So this means that both spiders and spider silk have been around for 380 million years.

It doesn't take long from working with spiders to start noticing how essential silk is to just about every aspect of their life.

So silk comes out of the spinnerets, and for those of us spider silk biologists, this is what we call the business end of the spider.

Spider

The Spider of Finance

I'm afraid of spiders.

How does an individual spider make so many kinds of silk?

To borrow from the writings of a spider named Charlotte, silk is terrific.

But how about variation among spider species, so looking at one type of silk and looking at different species of spiders?

Tom hates spiders.

I'm really scared of spiders.

This is a picture of the spinnerets coming out of a spider and the silk being formed from a spider. Isn't that beautiful?

Cheryl Hayashi The magnificence of spider silk