Juergen Freund / White spider (Araneidae) on web with zig-zag stabilmentum, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia

Juergen Freund / Beautifully spun spider web, with spiral stabilimentum, Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia

Stephen Dalton / Silver argiope spider (Argiope argentata) juvenile on web showing stabilimentum, Costa Rica

Kim Taylor / Forest spider {Argiope sp}, note stabilimentum in centre of web, East Africa

Loic Poidevin / Wasp spider (Argiope bruennichi) on its web with butterfly prey wrapped in silk and showing a zigzag "stabilimentum" pattern on its web used to attract prey, Vendee, France, July.

Loic Poidevin / Underside of Wasp spider (Argiope bruennichi), its web decorated with a zigzag stabilimentum pattern used top attract prey, Vendee, France, July.

Ingo Arndt / Garden orbweaver spider on stabilimentum of web {Argiope savigny} Costa Rica

Ingo Arndt / Black + yellow argiope spider, juvenile camouflaged on stabilimentum of web, USA.

Ingo Arndt / Black and yellow argiope spider, juvenile on stabilimentum of web, USA.

Rod Williams / Female Wasp Spider (Argiope bruennichi) with prey, and showing stabilimentum. Sutcliffe Park Nature Reserve, Eltham, London, UK, August.

Steven David Miller / Yellow garden orbweaver (Argiope aurantia) female in web with stabilimentum running vertically through web, Naples, Florida, USA. September.

Kim Taylor / Silver argiope spider (Argiope argentata) juvenile with raindrop trapped in its stabilimentum. Tobago, West Indies.