Possible Pest on Holly Bush

I have two holly bushes, both planted this season. The male has a crusty growth at many of the leaf joints, but not all. I can pull them off and they are green underneath – don’t appear to be an insect. Is this part of the plant or some fungus?

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1 Comment To "Possible Pest on Holly Bush"

#1 Comment By Nikki On 09/05/2012 @ 8:01 am

It’s hard to say but may be a pest, with the crustiness being hardened honeydew. At any rate, neem oil is an effective treatment, be it a pest or fungus. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[1]

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