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Web of intrigue



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Published Date: 08 October 2008
TODAY'S online calendar picture is of a beautiful and intriguing spider web after an early morning mist recently.
The mist and dew it leaves behind on the spider's silk, makes for ideal photographic opportunities of the marvellous array of webs.

This intricate web was captured by Mel Smith in his Haddenham back garden. Now for some fascinating facts you may not not about how spider's produce their webs.

Spiders have several spinneret glands located at their abdomen which produce the silken thread. Each gland produces a thread for a special purpose. Seven different gland types have currently been identified, although each species of spider will possess only a few of these types, never all seven at once.

Normally a spider has three pairs of spinnerets, but there are spiders with just one pair or as many as four pairs of spinnerets, with each spinneret having its own function.

During the process of making a web the spider will use its own body for measurements, a very practical and ergonomic design feature of any web. This will allow the spider to move quickly around its own web with very few faults.

It will start with the most difficult part of construction, the first thread. The spider effectively uses the wind to carry its initial adhesive thread. With some luck the silk is released from its spinners and carried by the wind to a suitable adherable surface. When it sticks to a surface the spider will carefully walk over the thread and strengthen it with a second thread. This process is repeated until the primary thread is strong enough to support the rest of the netting.

After strengthening the first thread the spider will continue to make a Y shaped netting. The first three radials of the web are now constructed. More radials are added making sure that the distance between each radial is small enough to cross. This means that the number of radials in a web directly depends on the size of the spider plus the size of the web.

We are still welcoming your pictures, send them to us by clicking here.

The full article contains 356 words and appears in n/a newspaper.
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  • Last Updated: 08 October 2008 1:54 PM
  • Source: n/a
  • Location: Aylesbury
 
 
  

 
 

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