Disease or Pest on Holly

I have holly bushes that have some kind of pest. . . it is rectangular shaped and is scattered all over the underside of the leaves. Some of the leaves also look like they have powdery mildew on them, but these little geometric shaped pests are all over several of my holly bushes. Can you tell me what they are and how to deal with them?

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1 Comment To "Disease or Pest on Holly"

#1 Comment By Nikki On 05/04/2011 @ 11:21 am

It sounds like it might be mealy bugs or scale. These articles will help:
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm ^[2]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm: https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm: https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm

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