Barberry Shrubs
Q.

what makes small white cocoons & squishes red?

Zone Maryland | jimo21210 added on November 19, 2013 | Answered

The cocoons are sticky & bug inside squishes red. They are all over the branches of barberry bushes and Japanese maple.

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on November 20, 2013

The "cocoons" are likely the bug itself. It sounds like you have either mealy bugs or wooly aphids. Here is more information about how to control both pests:
https://www.gardeningknowhow.com/plant-problems/pests/mealybugs-white-residue-on-plants-leaves.htm

https://www.gardeningknowhow.com/plant-problems/pests/insects/woolly-aphid-control.htm

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