How spider webs are woven and how spiders weave their webs

Networking process:

1: The spider will first release a long "search wire" into the air, which it will let drift with the breeze or air currents. After that, the spider will release a hanging silk and add a third silk to the middle of this silk to form a Y-shape, forming the first 3 irregular radii of the spider web.

In addition, more than 50 lines form the prototype of a net. The next task is to lay the spiral thread and weave it into a web. Starting from the core of the web, the spider weaves a spiral from the inside to the outside, which serves as the "scaffolding" for the next process.

It should be pointed out that until the "scaffolding" is erected, the web woven by the spider is not sticky, that is, it cannot stick to the insects. At this time, the spider begins to lay sticky silk from the outside to the core of the web, that is, the predatory spiral, and at the same time gnaws and eats the "scaffolding" to complete the final process.

2: It first needs to build a framework as a foundation. Spiders with this kind of frame often show very amazing skill.

After choosing a location, it first pulls a horizontal line, assuming that it is from A to B, and then it pulls a vertical line from B to C and a horizontal line from C to D and parallel to the first horizontal (that is, A and B). Finally, one of the vertical strips from D to A and parallel to the second straight (i.e., B and C). This creates a square frame.

Of course, the spider doesn't necessarily build a full square frame, but it always does it that way.

When the spider needs to volley the web between two objects, it will first release a silk to float in the air, and if the other end of the silk is blown to the other end by the wind and sticks, the spider will tighten the silk as a bridge, and spit the silk back and forth in the air to weave a complete web.

Because the first thread is randomly glued to the object, if you are lucky, the position of the filament is right, and the position of the cobweb; If you're unlucky, as you do, the cobwebs on the main traffic roads will always be touched, and the cobwebs will never be able to pick up.

In the countryside, or in some old abandoned houses and factories, it is not difficult to find spiders and cobwebs. Some people are curious, how do spiders spin silk webs? How do you do the first line when you tie the net?

In fact, different species of spiders have different ways of forming webs, and the shapes of webs are also different. Some spiders even only hunt without webs. When ordinary spiders build webs, they will spit out "juice" from their abdomen, and these liquids, which quickly solidify in the air, become tough and elastic silks.

The strength of spider silk is equivalent to 5 times that of steel wire of the same volume.

In addition, the tail of the spider, there are several pairs of spinning machines, the spider pulls the silk as it walks, and when it reaches the place where it needs to be fixed, it will use the small protrusion of the tail to hang the silk, and then continue to spin the silk forward.

Usually, when a spider builds a web, it will find a fixed point in a spacious place and fall down the spit silk. When the wind comes, take advantage of the momentum and easily reach the other end, and quickly tighten the fixation, so that the first line is fixed.

Next, the spider will also release a hanging silk and continue to spin the silk downward at the midpoint of the silk to form a Y-shape. After that, the spider will connect several fixed points so that the outer frame of the Bagua Web is complete. Next, you only need to take the core of the net as the starting point, continue to spin the wire to the outer frame, and then spiral the net from the inside to the outside, and you can sit and wait for mosquitoes and flies to fall into the net.

In fact, it is not only difficult for the spider to build a web, but also for the first few circles. In addition, the spider silk is not sticky when the web is first formed, and when the whole web is knotted, the spider will eat the original silk and spit out the sticky silk again. knows how to use air currents to fix spider silk, and I have to say that spiders are smart masters.

The spider's abdomen has six silk spout pouches, and the spit out silk can be used to weave webs. Start by pulling several warp threads, then run to the other end and repeat the same motion. The warp threads are pulled evenly at both ends, so that the net threads are tighter and more evenly distributed.

When the warp thread is all knitted, the spider returns to the axis to rest, and then along the wheel shaft pulled by the warp, engaged in the weaving of the weft thread, the spider takes the axis as the midpoint, and uses the filament that is almost invisible to the naked eye, around the warp thread, and slowly weaves a horizontal thread. Each line is carefully spaced. This area made of filaments is called the "rest area", and after the rest area is built, the spider begins to pull the thick silk, which is visible.

It can adjust the thickness of the silk thread arbitrarily, and use the spiral weaving method to pull the distance between the thick weft threads.

Most spiders weave webs, but there are also spiders that don't, such as tarantulas.

Most spiders catch their prey by weaving webs. So how exactly do spiders weave their webs? The spider's abdomen has a raised organ called a spinl.

It can secrete a type of mucus. This slime condenses when it encounters air. This is the main material of spider webs.

The spider has a raised organ in the abdomen that secretes a kind of mucus, which will condense when it encounters air, and when weaving the web, first fix the spit silk on one point, then hang yourself on the silk, and then crawl diagonally while spinning the silk, fix the silk on another point, repeat the same action to weave a vertical line, and then weave a horizontal line in the middle.

The spider first finds a higher point, uses the action of the wind and its own weight, and then finds another point like a swing (of a single line), and so on several times, and the silk web has a rudimentary form - a polygon of a single line, and then weaves from the outside to the inside. The first circle has to go through repeated failures to be able to weave, and the second circle can be easily woven along the traces of the first circle.

Most spiders catch their prey by weaving webs. So how exactly do spiders weave their webs? The spider's abdomen has a raised organ called a spinl.

It can secrete a type of mucus. This slime condenses when it encounters air. This is the main material of spider webs.

Most spiders weave webs, but there are also spiders that don't, such as tarantulas.

The spider will first release several strands of silk floating in the air, and if one of them is blown away by the wind and sticks, the spider will tighten the silk to become the first "bridge of the river", and then shuttle back and forth through it, erecting more parallel silks, and finally weaving a large web between these silks. <

If one of them is blown away by the wind and sticks, the spider will tighten the silk to become the first "bridge", and then shuttle back and forth through it, erecting more parallel silks, and finally weaving a large web between these silks.

Most spiders weave webs, but there are also spiders that don't, such as tarantulas. These non-webed spiders usually burrow in the ground and then use the silk to line the burrows. They also set traps on the roof of their caves to prey on passing insects.

All spiders, web-weave or not, have some common characteristics: they all have 8 legs; Insects are their favorite food. Currently, there are at least 40,000 species of spiders found by humans.

Web-weaving spiders can weave simple webs or make complex webs. Even if the webs have been weaved, spiders don't stay on the web all day, and they may hang on rooftops, in a corner of a window frame, or hide under large rocks.

Spider webs are used to prey on insects, and it can take a spider several hours to compile a good web. For example, round spiders use many different kinds of silk to weave their webs. It first frames the web with dried silk, which is the scaffolding it works with.

Then it is covered with sticky threads to stick to the flying insects that come by mistake.

All the spider silk is secreted from the spider's abdomen. Different glands in the abdominal cavity of spiders secrete different species of hunger-destroying spider silk. Spiders can also mix several types of spider silk together to create a type of spider silk with a special function.

At first, the spider spins its silk in the wind, and if it happens to be on a nearby object such as a tree branch, the spider can move along the silk and apply slime to it.

After weaving the general outline, the spider will continue to spin silk to connect the two ends of the web. Then it runs to the ** of the web and spits out another spider silk to hold the other side of the web in place. From the web, the spider continues to spit out more dry silk, which radiates out of the web, like the spokes on a bicycle wheel.

Then, it starts to circle around the spokes, laying out a number of network cables in a circular direction. Finally, the spider attaches a sticky thread to the top of the dry, spiral-shaped web thread. Then the dried silk is removed (eaten), and a trap for the food is laid.

Some of the patterns in the webs are particularly complex, and researchers have found that some of them are part of the trap. To us, the patterns don't look special, but that's probably because we can't see them in UV light.

Ultraviolet rays come from the sun, and this rays can harm**. Its frequency is so high that it is beyond the range of vision of the human eye, so it is invisible light for us humans. But many insects can see ultraviolet light, especially those that feed on nectar and pollen.

Spiders take advantage of this by weaving some special webs to attract these insects.

First, the spider weaves a web out of silk that doesn't reflect much UV light, and then weaves a special pattern out of another type of silk that strongly reflects ultraviolet light. What does this do?

Studies have shown that these patterns closely resemble the shape of many flowers when exposed to ultraviolet light. So, when hungry insects mistake cobwebs for food, they rush over. The result, of course, is that they fall into an elaborate trap and become a dinner for the equally hungry Ascending Spiders.

Tiny spiders have dexterous and complex body structures that deserve the title of carnivores. The body of the spider is simply divided into two parts, cephalothorax and abdomen, with a tiny waist connection in the middle. The cephalothorax includes the forelimb portion, the head, and the thorax.

The spinning organ on the abdomen is the organ that spins silk in spiders. Spiders have a total of eight segmented legs, and they are extremely agile in crawling.

Spider eyes are in front of the head, most spiders have eight eyes of various sizes, some spiders have six eyes, and a few spiders have no eyes, or have two, four or 12 eyes, scientists don't know why spiders have so many colorful eyes. Although the spider has many eyes, its vision is very average, and what it sees is always blurry, so it can be said that the spider is a poor short-sighted eye.

Spiders' tentacles are used to grasp prey, and their chelicerae can move flexibly up and down (e.g., birdcatchers) or pan (most spiders). Panning allows the jaws to be angled wider, so spiders can also hold prey larger than their bodies.

Spiders secrete mucus through protrusions at the tips of silk sacs, which can congagulate into very thin filaments when exposed to air. Spiders have six glands in their abdomen; Called a spinner. Various glands produce different types of spider silk, and the top of the gland has a spinneret head with thousands of small holes, and the liquid sprayed out condenses into viscous and tense spider silk when it encounters air.

It is said that a thousand spider threads are one-tenth thinner than a human hair. Spider silk is made up of a silk prion protein. In terms of a specific diameter, the tensile strength of spider silk is greater than that of steel.