This is a video previewing the effect that will be taught in the video "After Effects Tutorial: Make a Realistic, Elastic ...

The spiders let their webs fly when the flapping mosquitoes were nearby. However, a closer look at the footage revealed that the insects never touched the spider webs with their protruding front legs.

The web-construction part of this spider’s operation is typical for orb-weavers: anchor lines, a center hub and spokes, and finally the sticky circular threads that set the spider’s table.