Tiny white bugs on my hydrangea house plant.

Question

These tiny bugs fly when disturbed. They are all over the leaves of the plant. They do not bother with the other plants, but they are accumulating on the window.

• 
• 

Answer 1

Those are white flies. Here's an article that should help:

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