Stabilmenta: spider’s web decorations

Stabilmenta are conspicuous patterns or decorations made by spiders – particularly orb-web spiders – in their webs. Google ‘stabilmenta’ (singular: stabilmentum) and you will see many wonderful examples of these structures, including crosses, spirals, zigzags and so on. There are a number of different theories as to why spiders make these structures, including: to attract…