Is The Problem In The Photos White Fly Or Another Disease Or Pest? How Do I Treat It?

Question

The white places on the photos of my hibiscus and plumeria look a bit like white fly. However, I don’t think that is what it is. I live in Southwest Florida (Fort Myers), very hot and humid. I use a 3-way fertilizer and a 3-way spray but the problem continues. 1 Can you identify what it is? 2 What remedies can you suggest? Thank you very much, Keith

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Answer 1

White flies have a triangular shape but the pest on the pictures (they are not quite clear) has irregular roundish forms so aphids or scale (white wax scale, mealybugs, etc.) would be my picks.

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

https://www.gardeningknowhow.com/plant-problems/pests/insects/what-is-soft-scale.htm