Do all spiders spin webs?

Do all spiders spin webs?Most spiders spin webs of one sort or another but only some use the web to entangle their prey. The trapdoor spiders from tropical and subtropical countries are spiders that spin a tubular web in a hole in the ground. The hole the spider digs may be several inches deep and about an inch across. The web is spun to line the hole and once this is done the spider constructs a hinged trapdoor to fit the opening exactly. This is made silk and small soil particles and is very often camouflaged with moss. This well-made retreat is perfect home for the spider. If disturbed by its enemies it simply hangs on to the underside of the trapdoor, preventing it from opening. It is not fully known how the trapdoor spider catches it prey. It is thought that is peers out from the hole with the trapdoor ajar, and drags insects back into the hole as they pass by.

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