 When not joined to another spiders', a "P. labiata" female's capture web may be suspended from rigid foundations such as boughs and rocks, or from pliant bases such as stems of shrubs.A web spider's web is an extension of the web spider's senses, informing the spider of vibrations that signal the arrival of prey and predators.If the intruder is another web spider, these vibrations vary widely depending on the new web spider's species, sex and experience.