
Cave spiders use their webs in a way that hasn’t been seen before
A cave orb spider blickwinkel/Alamy Spiders known for elaborate circular webs have altered their spinning style in dark spaces to create apparent tripwires for walking prey. Those that make circular webs are known as orb-weavers, and most of them trap mosquitoes, beetles and other flying insects in sticky spiral frame webs sparsely attached to outdoor…