What can I spray on my indoor plants to kill the small bugs on them?

i have read and used 70% rubbing alcohol. Try spraying it on a small area as all plants react differently

try 70% rubbing alcohol. I've read people had success with this. I'm trying on house plants with mealy bugs

Many of the small insects on house plants will not survive just regular dish washing soap. I have often just ran the water in my sink and put in an extra amount of hand dish washing soap (not dishwasher) and then stirred it to create as many bubbles as I could and then set the plant in the sink and divered as many of the leaves, and the dirt, with bubbles and just let it sit. A large plant one could do in the bathtub.

you could maybe take them outside and just wash them with water. It depends on the indoor plant but it may help with some.

Spray water mixed with dish washing liquid. Preferable Dawn.

I repot with fresh bug free soil and dispose of the old carefully to not contaminate the rest of your property.

I use dish washing soap in a spray bottle. Works like a charm.