Insect eating root tips of leafless ghost orchid!

[King_of_orchid_growing:)]

If it's fungus gnat larvae, they're easier to find than you think…

Just grab the plant and look with a jeweler's loupe. They don't travel far from where it is moist and cool, where things are moldy or rotten.

You can also grab a slice of potatoes, and place it near the orchid(s) at night, and see what gets on the potato.

Slugs are easy to trap with beer. A shallow pan of beer will net you some slugs for sure.