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A stabilimentum (plural: stabilimenta), also known as a web decoration, is a conspicuous silk structure included in the webs of some species of orb-web spider. Its function is a subject of debate. Its function is a subject of debate.
Argiope aurantia is a species of spider, commonly known as the yellow garden spider, [2] [3] ... The purpose of the stabilimentum is disputed.
Argiope sp. blending in to elaborate stabilimentum in Tanzania Writing spider eating a swallowtail butterfly in Holly Springs, North Carolina An argiope's web with stabilimentum in Independence, Missouri The banded orb weaving spider wraps up a large milkweed bug and subsequently cuts it from its web.
Spiders produce silk using special organs called spinnerets, located typically on the underside of their abdomen. They look a bit like an icing nozzle The 7 Types of Spider Webs and the Incredible ...
The zigzag-shaped web decoration, named the stabilimentum, is featured at the centre of the orb. Its function is not currently known, though studies have indicated that the webs containing stabilimentia are damaged less often by birds flying through them. [3] [4] When prey gets trapped in the web, the spider immobilizes it by wrapping it in silk.
Like other species of the same genus, it is known as a "signature spider"; it builds a web with a zig-zag stabilimentum somewhat resembling letters. The mature female of A. anasuja always rests at the centre of the orb with her head facing downwards. The orb has an opening at the centre and when disturbed she goes through the hole and exits on ...
A majority of orb web spiders, including Argiope aemula, have decorated webs otherwise known as stabilimentum. The spiders generally tend to use eggs, waste, or prey to create their decorations. In some cases, the decorations are entirely made of the spider's silk.
Brown recluse. What they look like: The brown recluse is a brown spider with a distinct “violin-shaped marking” on the top of its head and down its back, Potzler says. Also, brown recluse ...