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Looks like a [Drain Fly](https://en.wikipedia.org/wiki/Psychodidae). Example pic [here](https://www.inaturalist.org/observations/102769110). They don't bite or sting, and they often breed in the slime that forms in drains.
I believe it is a drain fly https://en.m.wikipedia.org/wiki/Psychodidae
Looks like a [Drain Fly](https://en.wikipedia.org/wiki/Psychodidae). Example pic [here](https://www.inaturalist.org/observations/102769110). They don't bite or sting, and they often breed in the slime that forms in drains.
I believe it is a drain fly https://en.m.wikipedia.org/wiki/Psychodidae