@vwbusguy notice the white zigzack line? it’s called stabilimentum, according to wikipedia its purpose is unknown, there are a bunch of theories: https://en.m.wikipedia.org/wiki/Stabilimentum
I actually observed how the spider wrapped up its prey in it. It seems that it’s kind of a silk depot so the spider doesn’t have to produce on the spot when something flies into the net.
I could not find this explanation anywhere 🤔
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