Saetheria, Genus
Schineriella, Genus
Sergentia, Subgenus (Sergentia)
Sergentia, Genus
Smittia, Genus
Stackelbergina, Genus
Stempellina, Genus
Stempellinella, Genus
Stenochironomus, Subgenus (Stenochironomus)
Stenochironomus, Genus
Stictochironomus, Genus
Stilocladius, Genus
Symbiocladius, Genus
Symposiocladius, Subgenus (Orthocladius)
Sympotthastia, Genus
Syndiamesa, Genus
Synendotendipes, Genus
Synorthocladius, Genus