1) Arthropod family 2) Family sciaridae 3) Fungus gnats 
The Sciaridae are a family of flies, commonly known as dark-winged fungus gnats. Commonly found in moist environments, they are known to be a pest of mushroom farms and are commonly found in household plant pots. This is one of the least studied of the large Diptera families, probably due to the small size of these insects and the difficulty in sp...
[n] - fungus gnats
family Sciaridae noun fungus gnats