There Are Black/dark Red Pustuls On The Woody Stems Of My Trumpet Vine—are They A Problem?

Question

Ihave attached a picture of a piece of wood stem from my Trumpet Vine showing the black pustuls. What are they and should I worry?

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Answer 1

It looks like scale, tiny insects that live under a shell-like covering. Here is more:

https://www.gardeningknowhow.com/ornamental/vines/trumpet-vine/trumpet-vine-losing-leaves.htm

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

https://hort.extension.wisc.edu/articles/scale-insects/