What is the milky white ooze on my grapevines?

Our grapevines are pretty old, and this is the first year we noticed what I thought was bird poop on the vines. I rinse it away and it comes back almost instantly. Is this from a bug and is it still safe to eat the grapes?

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1 Comment To "What is the milky white ooze on my grapevines?"

#1 Comment By Nikki On 08/27/2012 @ 8:39 am

Sounds like spittle bug problem. Here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/pests/insects/spittlebug-control.htm ^[1]

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