Facetotecta
Grygier 1985
in Eucrustacea
Farinosa
in Coleoptera
Fasciati
in Hymenoptera
Favosae
in Hymenoptera
Filicornes
Dumeril 1806 [Fr.]
in Lepidoptera
Filicornes
[Myrmeleon/f=Phryganea/g]
Plecoptera+Isoptera+Copeognatha+Neuropteroidea+Mecaptera+Trichoptera
Filiformia
Caprella/f2=g1
in Eucrustacea
Filipalpia
Klapalek 1905
Nemoura/fg2
in Plecoptera
Fimbriatotergaliae
Ephemera/fg7 
in Ephemeroptera
Firmipalpi
Thomson 1891
in Trichoptera
Firmonervata
Libellula/fg[30]{11}
= Neolamellida (in Odonata-Anisoptera)
Fissidentati
in Chelicerata-Maripalpi
Fissilabra
Latreille 1817 [Fr.: Fissilabres]
Staphylinus/fg~
in Coleoptera
Fistulata
Heegaard 1947
Ergasilus/f=Chondracanthus/g~
in Eucrustacea
Flabellifera
Sars 1882
Cymothoa/fg1
in Eucrustacea
Flexifrontes
in Arthroidignatha-Heteroptera
Flexiliventres
Cresson 1887
Aphidius/fg1
in Hymenoptera
Flexiliventrini
Szepl. 1905
Aphidius/fg1
= Flexiliventres (in Hymenoptera)
Florales
Latreille 1825
in Diptera
Floralia
Bibio/fg
in Diptera
Florileges
Dumeril 1806 [Fr.]
in Hymenoptera
Fontanella
Myles ?
Termes/fg~
in Pandictyoptera-Isoptera
Foliaceae
in Arthroidignatha-Auchenorrhyncha
Fornicephalae
Atypus/fg2
in Chelicerata-Maripalpi
Fossipedes
Maton & Rackett 1863
in Coleoptera
Fossores
Scarites/fg1
in Coleoptera
Fossores
Dumeril 1806 [Fr.]
in Hymenoptera
Fossoria
[Gryllotalpa/fg]
in Saltatoria
Fossoriae
Ephemera/fg8
in Ephemeroptera
Fracticornes
Curculio/fg~
in Coleoptera
Fracticornes
Shuck 1839
in Coleoptera
Fracticornia
Thomson 1859
in Coleoptera
Fragmentati
Horn 1883
in Coleoptera
Frenata
[Sphinx/fg]
in Lepidoptera
Papilio/fgL6
in Lepidoptera
Frontirostres
Dumeril 1806 [Fr.]
in Arthroidignatha-Heteroptera
Frontirostria
Cimex/f7=Notonecta/g2
= Heteroptera 
Frontirostrida
Dumeril ?
= Frontirostres (in Arthroidignatha-Heteroptera)
Fuciformes
in Hymenoptera
Fungicola
in Diptera
Fungicolae
Latreille 1817 [Fr.:Fungicoles]; 1825
in Coleoptera
Fungivorae
Dumeril 1806 [Fr.:Fungivores]
in Diptera
Furcatergalia
[Ephemera/fg]
in Ephemeroptera
Furcatergaliae
Ephemera/fg6
in Ephemeroptera
Fusicornes
Dumeril 1806 [Fr.]
in Lepidoptera
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