Your current chain: State of matter Life > Kingdom Animalia > Phylum Arthropoda > Subphylum Hexapoda > Class Insecta > Subclass Pterygota > Order Diptera > Suborder Nematocera > Suborder Psychodomorpha > Family Psychodidae
(From Wikipedia) Psychodidae, also called drain flies, sink flies, filter flies, sewer flies, or sewer gnats, is a family of true flies.
FACT: While drain flies in your sink or bathtub may be a gross nuisance, they don't actually cause any harm to people, feeding on bacteria and living in your pipes!
Currently discovered: 1/5 Subfamilies, 0/1 Genera
Subfamily