WHY DO SOME SPIDER-WEBS HAVE SUSPENDED CURLED LEAVES, NEWSPAPERS AND DISCARDED ADMISSION TICKETS IN THEM?
These are not blown into the webs by the wind. If you see a curled leaf in a network, it is a "house" for a leaf-curling spider. The leaf-curling spider uses any material available, including snail shells and light cardboards to build its home.
After curling the material, it secures and lines it up with spider silk strands. Interestingly, it can haul up and use a snail shell that is six times its weight. If you tap on the "house," you will see a beautifully colored spider come out and drop to the ground on one of the silk strands.
It spends most of the day in its "house." A silk strand connected to the house acts as a kind of "hotline" that informs the spider the moment the web catches prey. It rushes to the scene, injects it with venom and eats it. It is not only humans that are civil engineers!
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