What is this tiny bug?

Indoor grow. Hundreds of them caught. There is no apparent damage. They are about half size of fungus gnat.
Note the pincers on Bug3

https://imgur.com/a/zZEvqfV

It looks like a fungus gnat to me. Winged root aphids look very similar but I doubt you'd have hundreds without showing any damage.

KryptoBud said:

It looks like a fungus gnat to me. Winged root aphids look very similar but I doubt you'd have hundreds without showing any damage.

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It is half size and has pincers on its ass.

Yeah looks like a fungus gnat to me too

Definitely a fungus gnat ...definitely

Herb & Suds said:

Definitely a fungus gnat ...definitely

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Ok. I had earlier infestation of fungus gnats that were 3mm long. These were 1.5mm, hence the confusion.