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what kind of spider builds its web at night and then takes it down in the morning. It is a really scary looking spider and it is usually brown and about the size of a half dollar full grown.

2007-08-11 03:24:39 · 4 answers · asked by Holly E 2 in Science & Mathematics Zoology

also it seemed very agressive. anytime a bug flew near its web it moved very quickly and the other evening I went to turn off the hose and one of them lunged at me. I have seen about 6 of them and they all come out at night in front of my picture window in the living room. It seems they like to build their webs near light. smart creatures.

2007-08-11 03:32:27 · update #1

it isnt a brown recluse. I am pretty sure it is in the orb weaving family. I just am not sure if it is dangerous or not. No pics but it is usually brown, half dollar size, body is round and may have stripes, legs are long spiney and may also have stripes.

2007-08-11 04:12:07 · update #2

they do build their webs quite fast and always take it down before morning.

2007-08-11 05:31:53 · update #3

4 answers

John R is on the right track. It is most defiantly an orb weaver. The web is most likely round in shape....right?, then it is. Many orb weavers have taken a very fond liking to human dwellings due to the abundance of insects attracted to lights on our porches in particular. Most of the spiders found here are in the genus Araneus and the ones we see, especially at the size you described are definitely the females, the males are quite small and not very abundant.
There are many reasons why these spiders destroy their webs and re-build, in fact they eat the old strands and recycle the enzymes and make new webs with it the next night. One of the reasons they do this is because the sticky nature of their webs does not last very long, so in order to ensure that their webs catch flying insects, they must make it over and over again. Also as the web becomes cluttered with a plethora of small insects it becomes visibly to the more visually oriented fliers making it more visible and thus harder to catch prey.

I hope this answers your question!

2007-08-11 06:31:19 · answer #1 · answered by Anonymous · 1 0

There are a bunch of Orb-weavers, sort of generically called 'araneids' that hunt as you've described; many are borwnish with some sort of dashed-line or cross-shaped pattern on the globular abdomen. They're all harmless to humans, but as you've noticed, quite ferocious to things that get caught in the web. I've seen some exceedingly large webs (8-10 feet or more between top and bottom support anchors), and used to amuse myself by seeing what they would eat. I found that even small toads would be happily accepted if tossed into the web - the main limitation on what they would eat seemed to be what would actually stick in the web long enough for them to reach it and wrap it. It's quite fascinating to watch them build the web, and it helps to have them right in front of the windows like that.

2007-08-11 12:22:04 · answer #2 · answered by John R 7 · 1 0

Brown Recluse?
Do you have a picture of it?

2007-08-11 10:42:56 · answer #3 · answered by Wilhelmina 3 · 1 0

duuno. but i love spiders!

2007-08-11 12:33:44 · answer #4 · answered by Anonymous · 0 1

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