Pagastiella, Genus
Paraboreochlus, Genus
Parachaetocladius, Genus
Parachironomus, Genus
Paracladius, Genus
Paracladopelma, Genus
Paracricotopus, Genus
Parakiefferiella, Genus
Paralauterborniella, Genus
Paralimnophyes, Genus
Paramerina, Genus
Parametriocnemus, Genus
Paraphaenocladius, Genus
Parapsectra, Genus
Parasmittia, Genus
Paratanytarsus, Genus
Paratendipes, Genus
Paratrichocladius, Genus
Paratrissocladius, Genus
Parochlus, Genus
Parorthocladius, Genus
Pentaneurella, Genus
Pentaneurini, Tribus
Pentapedilum, Subgenus (Polypedilum)
Petalopholeus, Subgenus (Stenochironomus)
Phaenopsectra, Genus
Phytotendipes, Subgenus (Glyptotendipes)
Plhudsonia, Genus
Podonominae, Subfamilia
Podonomini, Tribus
Pogonocladius, Subgenus (Orthocladius)
Polypedilum, Subgenus (Polypedilum)
Polypedilum, Genus
Pontomyia, Genus
Potthastia, Genus
Procladiini, Tribus
Procladius, Genus
Prodiamesa, Genus
Prodiamesinae, Subfamilia
Propsilocerus, Genus
Prosmittia, Genus
Protanypodini, Tribus
Protanypus, Genus
Psammocladius, Subgenus (Halocladius)
Psectrocladius, Subgenus (Psectrocladius)
Psectrocladius, Genus
Psectrotanypus, Genus
Pseudochironomini, Tribus
Pseudochironomus, Genus
Pseudodiamesa, Genus
Pseudokiefferiella, Genus
Pseudorthocladius, Subgenus (Pseudorthocladius)
Pseudorthocladius, Genus
Pseudosmittia, Genus
Psilocricotopus, Subgenus (Rheocricotopus)
Psilometriocnemus, Genus
Psilotanypus, Subgenus (Procladius)
Pterygota, Subclassis