What can I spray on orchid with tiny bugs in soil

Question

One orchid plant has tiny, tiny bugs in soil. One had brown eaten away trails underneath leaves. What can I spray on it? What can I spray on orchid with tiny bugs in soil? And another plant with brown trails of eaten leaf on the underside?

Answer 1

The tiny bugs in your soil could be fungus gnats. This article will help:
https://www.gardeningknowhow.com/special/children/fungus-gnats.htm

I would say the brown trails on your leaves are the work of leaf miners. More information on leaf miners can be found here:
https://www.gardeningknowhow.com/plant-problems/pests/insects/leaf-miner-control.htm