missing sector orb weaver spider (zygiella x-notata) waiting for prey on its web : (pix sanjiv shukla)

missing sector orb weaver zygiella x-notata silver-sided spider family araneidae solitary spiders spiral wheel-shaped webs leaf-like mark opisthosoma yellow-brown cephalothorax web sectors inhabiting areas humans insects flying sticky forelegs vibrations silvery sheen grey banded legs dark waves gardens forests autumn spring moults carapace pedipalps trichobothria hairs sensillum abdomen smaller males females bigger hairy spiny silk spider’s cobweb proteinaceous spinnerets rebuilt daily boats docks urban vegetation bushes shrubs invasive coastal walls fences window frames signal strand thread