| Acanaloniidae Amyot and Se..., 1843 | Acanalonid planthoppers | 38 | Species | Taxom |
| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 10 | Species | Taxom |
| Achilidae Stål, 1866 | Achilid Planthoppers | 111 | Species | Taxom |
| Aclerdidae Ferris, 1937 | Aclerdid scales | 25 | Species | Taxom |
| Adelgidae Heinze, 1962 | Adelgids | 35 | Species | Taxom |
| Adiheterothripidae Shumsher, 1946 | | 2 | Species | Taxom |
| Aenictopecheidae Usinger, 1932 | | 1 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 73 | Species | Taxom |
| Aetalionidae Spinola, 1850 | Treehopper | 4 | Species | Taxom |
| Aleyrodidae Westwood, 1840 | Whiteflies | 271 | Species | Taxom |
| Alydidae Amyot & Serv..., 1843 | Bean bugs | 68 | Species | Taxom |
| Amphientomidae Enderlein, 1903 | Tropical Barklice | 6 | Species | Taxom |
| Amphipsocidae Mockford, 1978 | Hairy-winged Barklice | 3 | Species | Taxom |
| Anthocoridae Fieber, 1837 | Flower bugs | 140 | Species | Taxom |
| Aphalaridae Löw, 1879 | | 139 | Species | Taxom |
| Aphelocheiridae Fieber, 1851 | | 1 | Species | Taxom |
| Apheloneuridae Carpenter, 1976 | | 2 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 1967 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 77 | Species | Taxom |
| Aradidae Spinola, 1837 | Flat bug | 168 | Species | Taxom |
| Archegocimicidae Handlirsch, 1906 | | 2 | Species | Taxom |
| Archescytinidae Tillyard, 1926 | | 14 | Species | Taxom |
| Archipsocidae Enderlein, 1903 | Ancient Barklice | 19 | Species | Taxom |
| Artheneidae Stål, 1872 | | 2 | Species | Taxom |
| Asienthomidae (Martynov, 1926) | | 0 | Species | Taxom |
| Asiopsocidae Mockford & G..., 1976 | | 3 | Species | Taxom |
| Asterolecaniidae Cockerell, 1896 | Asterolecaniids | 48 | Species | Taxom |
| Belostomatidae Leach, 1815 | Alligator ticks | 61 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 35 | Species | Taxom |
| Blissidae Stål, 1862 | Chinch Bugs | 57 | Species | Taxom |
| Boopiidae Mjöberg, 1910 | | 3 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 82 | Species | Taxom |
| Caliscelidae Amyot & Serv..., 1843 | Piglet Bugs | 74 | Species | Taxom |
| Callaphididae (Borner, 1952) | | 9 | Species | Taxom |
| Calophyidae Vondracek, 1957 | | 21 | Species | Taxom |
| Canadaphididae Richards, 1966 | | 1 | Species | Taxom |
| Carsidaridae Crawford, 1911 | | 8 | Species | Taxom |
| Ceratocombidae Fieber, 1861 | | 9 | Species | Taxom |
| Cercopidae Leach, 1815 | Froghopper | 123 | Species | Taxom |
| Cerococcidae Balachowsky, 1942 | Cerococcids | 9 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 7374 | Species | Taxom |
| Cicadidae Westwood, 1840 | Cicada | 429 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 20 | Species | Taxom |
| Cixiidae Spinola, 1839 | Cixid planthoppers | 534 | Species | Taxom |
| Clastopteridae Stål, 1858 | Clastopterid Spittlebugs | 53 | Species | Taxom |
| Coccidae Stephens, 1829 | Soft scale | 261 | Species | Taxom |
| Compsocidae Mockford, 1967 | | 2 | Species | Taxom |
| Conchaspididae Green, 1896 | False armored scales | 5 | Species | Taxom |
| Coreidae Leach, 1815 | Broad-headed bugs | 372 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 199 | Species | Taxom |
| Cretamyzidae Heie, 1992 | | 1 | Species | Taxom |
| Cryptococcidae | | 3 | Species | Taxom |
| Curaliidae Schuh, Weira..., 2008 | | 1 | Species | Taxom |
| Cydnidae Billberg, 1820 | Burrower bugs | 114 | Species | Taxom |
| Cymidae Baerensprung, 1860 | | 21 | Species | Taxom |
| Dactylopiidae Signoret, 1875 | Cochineal insects | 13 | Species | Taxom |
| Dasydemellidae | Shaggy Psocids | 3 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 789 | Species | Taxom |
| Derbidae Spinola, 1839 | Derbid planthoppers | 206 | Species | Taxom |
| Diaspididae Maskell, 1878 | Armored scale insects | 663 | Species | Taxom |
| Dictyopharidae Spinola, 1839 | Dictyopharid Planthoppers | 128 | Species | Taxom |
| Dinidoridae Stål, 1867 | Dinidorid bug | 1 | Species | Taxom |
| Dipsocoridae Dohrn, 1859 | Dipsocorids | 3 | Species | Taxom |
| Dolabellopsocidae Eertmoed, 1973 | | 1 | Species | Taxom |
| Echinophthiriidae Enderlein, 1904 | | 6 | Species | Taxom |
| Ectopsocidae | Outer Barklice | 37 | Species | Taxom |
| Electrentomidae Enderlein, 1911 | | 3 | Species | Taxom |
| Electrococcidae Koteja, 2000 | | 3 | Species | Taxom |
| Elipsocidae Pearman, 1936 | Damp Barklice | 25 | Species | Taxom |
| Ellinaphididae Kania & Wegi..., 2008 | | 2 | Species | Taxom |
| Empheriidae Enderlein, 1906 | | 1 | Species | Taxom |
| Enderleinellidae Ewing, 1929 | | 18 | Species | Taxom |
| Enicocephalidae Stål, 1860 | Gnat bug | 24 | Species | Taxom |
| Eoscartarellidae | | 1 | Species | Taxom |
| Epipsocidae | Elliptical bark louse | 4 | Species | Taxom |
| Epipygidae Hamilton, 2001 | | 1 | Species | Taxom |
| Eriococcidae Cockerell, 1899 | Eriococcid scales | 197 | Species | Taxom |
| Eurybrachidae Stål, 1862 | | 5 | Species | Taxom |
| Fauriellidae Priesner, 1949 | | 1 | Species | Taxom |
| Flatidae Spinola, 1839 | Flatid planthoppers | 110 | Species | Taxom |
| Fulgoridae Latreille, 1807 | Fulgorid Planthopper | 81 | Species | Taxom |
| Galgulidae | | 1 | Species | Taxom |
| Gelasopteridae Carpenter, 1976 | | 1 | Species | Taxom |
| Gelastocoridae Kirkaldy, 1897 | Toad bug | 14 | Species | Taxom |
| Gengidae Fennah, 1949 | | 1 | Species | Taxom |
| Geocoridae Baerensprung, 1860 | Big-eyed Bugs | 46 | Species | Taxom |
| Gerridae Leach, 1815 | Jesus bugs | 103 | Species | Taxom |
| Grassyaphididae Heie, 2000 | | 1 | Species | Taxom |
| Grimaldiellidae Koteja, 2000 | | 2 | Species | Taxom |
| Gyropidae Kellogg, 1896 | | 8 | Species | Taxom |
| Haematopinidae Enderlein, 1904 | Ungulate lice | 13 | Species | Taxom |
| Halimococcidae Brown & McKe..., 1962 | Halimococcids | 9 | Species | Taxom |
| Hebridae Amyot and Se..., 1843 | Velvet water bug | 25 | Species | Taxom |
| Hemipsocidae Pearman, 1936 | Leaf Litter Barklice | 4 | Species | Taxom |
| Heterogastridae Stål, 1872 | | 3 | Species | Taxom |
| Heterothripidae Bagnall, 1912 | | 29 | Species | Taxom |
| Homotomidae Heslop-Harrison, 1958 | | 7 | Species | Taxom |
| Hoplopleuridae Ewing, 1929 | | 22 | Species | Taxom |
| Hydrometridae Billberg, 1820 | Marsh treader | 20 | Species | Taxom |
| Hylicellidae Evans, 1956 | | 1 | Species | Taxom |
| Idiostolidae Scudder, 1962 | | 1 | Species | Taxom |
| Issidae Spinola, 1839 | Issid planthoppers | 107 | Species | Taxom |
| Jascopidae Hamilton, 1971 | | 1 | Species | Taxom |
| Jersicoccidae Koteja, 2000 | | 3 | Species | Taxom |
| Kermesidae Signoret, 1875 | Gall-like Scale Insects | 48 | Species | Taxom |
| Kerriidae Lindinger, 1937 | Lac Insects | 8 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 16 | Species | Taxom |
| Kukaspididae Koteja & Poinar, 2001 | | 1 | Species | Taxom |
| Kuwaniidae MacGillvray, 1921 | | 3 | Species | Taxom |
| Labiococcidae Koteja, 2000 | | 2 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 169 | Species | Taxom |
| Laemobothriidae Mjöberg, 1910 | | 12 | Species | Taxom |
| Lalacidae Hamilton, 1990 | | 1 | Species | Taxom |
| Largidae Amyot and Se..., 1843 | Bordered plant bugs | 41 | Species | Taxom |
| Lecanodiaspididae Borchsenius, 1965 | False pit scales | 14 | Species | Taxom |
| Lepidopsocidae Lienhard & S..., 2002 | Scaly-winged bark louse | 33 | Species | Taxom |
| Leptaphelocheiridae Polhemus, 2000 | | 1 | Species | Taxom |
| Leptopodidae Amyot and Se..., 1843 | Spiny shore bugs | 4 | Species | Taxom |
| Liadopsyllidae Martynov, 1927 | | 1 | Species | Taxom |
| Linognathidae Webb, 1946 | | 16 | Species | Taxom |
| Liposcelididae Enderlein, 1911 | Booklice | 54 | Species | Taxom |
| Liviidae Low, 1879 | | 74 | Species | Taxom |
| Lophopidae Stål, 1866 | | 2 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 363 | Species | Taxom |
| Machaerotidae Stål, 1866 | Tube spittlebugs | 1 | Species | Taxom |
| Macroveliidae McKinstry, 1942 | Macroveliid shore bugs | 3 | Species | Taxom |
| Malcidae Stål, 1865 | | 1 | Species | Taxom |
| Marchalinidae Morrison, 1927 | | 1 | Species | Taxom |
| Margarodidae Newstead, 1901 | Cottony cushion scales | 16 | Species | Taxom |
| Matsucoccidae Morrison, 1927 | Pine bark scales | 23 | Species | Taxom |
| Meenoplidae Fieber, 1872 | | 2 | Species | Taxom |
| Megarididae McAtee & Mal..., 1928 | | 1 | Species | Taxom |
| Melanthripidae Bagnall, 1913 | | 14 | Species | Taxom |
| Membracidae Germar, 1821 | Horned Treehoppers | 644 | Species | Taxom |
| Menoponidae Mjöberg, 1910 | Bird lice | 347 | Species | Taxom |
| Merothripidae Hood, 1914 | Large-legged thrips | 7 | Species | Taxom |
| Mesopsocidae Enderlein, 1903 | Middle Barklice | 4 | Species | Taxom |
| Mesoveliidae Douglas and ..., 1867 | Pond treaders | 10 | Species | Taxom |
| Mesozoicaphididae Heie, 1992 | | 6 | Species | Taxom |
| Micronectidae Jaczewski, 1924 | Pygmy water boatmen | 10 | Species | Taxom |
| Microphysidae Dohrn, 1859 | Microphysid bugs | 11 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 3577 | Species | Taxom |
| Monophlebidae Signoret, 1875 | Giant scale | 30 | Species | Taxom |
| Musapsocidae Mockford, 1967 | | 3 | Species | Taxom |
| Myerslopiidae Evans, 1957 | | 1 | Species | Taxom |
| Myopsocidae Enderlein, 1907 | Mouse like barklouse | 13 | Species | Taxom |
| Nabidae Costa, 1852 | Damsel bugs | 91 | Species | Taxom |
| Naucoridae Leach, 1815 | Creeping water bug | 60 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 29 | Species | Taxom |
| Neurostigmatidae | | 1 | Species | Taxom |
| Ninidae Barber, 1956 | | 1 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 87 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 75 | Species | Taxom |
| Omaniidae Cobben, 1970 | Intertidal dwarf bug | 1 | Species | Taxom |
| Ortheziidae Green, 1896 | Ensign coccids | 72 | Species | Taxom |
| Oviparosiphidae Shaposhnikov, 1979 | | 1 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 25 | Species | Taxom |
| Pachygronthidae Stål, 1865 | | 11 | Species | Taxom |
| Pachytroctidae Enderlein, 1911 | Thick Barklice | 14 | Species | Taxom |
| Palaeoaphididae Richards, 1966 | | 3 | Species | Taxom |
| Palaeontinidae Handlirsch, 1906 | Giant cicadas | 1 | Species | Taxom |
| Pecaroecidae Kéler, 1963 | | 1 | Species | Taxom |
| Pedicinidae Enderlein, 1904 | | 4 | Species | Taxom |
| Pediculidae Leach, 1817 | | 7 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 474 | Species | Taxom |
| Perforissidae Shcherbakov, 2007 | | 1 | Species | Taxom |
| Peripsocidae Roesler, 1944 | Stout Barklice | 38 | Species | Taxom |
| Permopsocidae Tillyard, 1926 | | 5 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 753 | Species | Taxom |
| Philotarsidae Pearman, 1936 | Loving Barklice | 29 | Species | Taxom |
| Phlaeothripidae Uzel, 1895 | Thrips | 652 | Species | Taxom |
| Phoenicococcidae Stickney, 1934 | Palm scales | 1 | Species | Taxom |
| Phylloxeridae Herrich-Scha..., 1854 | Phylloxeran Aphids | 70 | Species | Taxom |
| Piesmatidae Amyot & Audi..., 1843 | Ash grey leaf bug | 19 | Species | Taxom |
| Pityococcidae Mckenzie, 1942 | | 6 | Species | Taxom |
| Plataspidae (Dallas, 1851) | | 3 | Species | Taxom |
| Plataspididae (Dallas, 1851) | | 1 | Species | Taxom |
| Pleidae Fieber, 1817 | Pigmy backswimmers | 8 | Species | Taxom |
| Plokiophilidae China, 1953 | Spider web bug | 1 | Species | Taxom |
| Polyctenidae Westwood, 1874 | Bat bugs | 3 | Species | Taxom |
| Polyplacidae Fahrenholz, 1912 | Spiny rat lice | 39 | Species | Taxom |
| Prionoglarididae Badonnel, 1951 | Large-winged Psocids | 6 | Species | Taxom |
| Prosbolidae Handlirsch, 1906 | | 1 | Species | Taxom |
| Protopsyllidiidae Becker-Migdi..., 1960 | | 1 | Species | Taxom |
| Pseudocaeciliidae Pearman, 1936 | False Lizard Barklice | 19 | Species | Taxom |
| Pseudococcidae Heymons, 1915 | Mealy Bugs | 538 | Species | Taxom |
| Psilopsocidae Roesler, 1944 | | 1 | Species | Taxom |
| Psocidae Samouelle, 1819 | Common bark louse | 143 | Species | Taxom |
| Psocidiidae Tillyard, 1926 | | 8 | Species | Taxom |
| Psoquillidae Lienhard & S..., 2002 | Bird Nest Barklice | 19 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 519 | Species | Taxom |
| Psyllipsocidae Enderlein, 1903 | Cave Barklice | 29 | Species | Taxom |
| Pthiridae Leach, 1817 | | 4 | Species | Taxom |
| Ptiloneuridae Eertmoed, 1973 | | 10 | Species | Taxom |
| Putoidae Beardsley, 1969 | Giant mealybugs | 31 | Species | Taxom |
| Pyrrhocoridae Dohrn, 1859 | Cotton stainers | 16 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 431 | Species | Taxom |
| Rhizoecidae Williams, 1969 | | 60 | Species | Taxom |
| Rhopalidae Amyot & Serv..., 1843 | Rhopalid Bugs | 72 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 321 | Species | Taxom |
| Ricaniidae Amyot & Audi..., 1843 | | 14 | Species | Taxom |
| Ricinidae Neumann, 1890 | | 38 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 110 | Species | Taxom |
| Schizopteridae Reuter, 1891 | Jumping ground bugs | 20 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 56 | Species | Taxom |
| Scytinopteridae Handlirsch, 1906 | | 1 | Species | Taxom |
| Serpentivenidae Shcherbakov, 1984 | | 1 | Species | Taxom |
| Sphaeropsocidae Kolbe, 1883 | | 3 | Species | Taxom |
| Spurostigmatidae Casasola Gon..., 2006 | | 3 | Species | Taxom |
| Steingeliidae Morrison, 1927 | | 4 | Species | Taxom |
| Stenopsocidae Pearman, 1936 | Narrow Barklice | 2 | Species | Taxom |
| Stigmacoccidae Morrison giv..., 2006 | | 1 | Species | Taxom |
| Tachardiidae Green, 1896 | Lac insects | 14 | Species | Taxom |
| Termitaphididae Myers, 1924 | Termite bug | 2 | Species | Taxom |
| Tessaratomidae Stål, 1864 | Giant shield bug | 12 | Species | Taxom |
| Tettigarctidae Distant, 1905 | Hairy cicada | 2 | Species | Taxom |
| Tettigometridae Germar, 1821 | | 10 | Species | Taxom |
| Thaumastocoridae Kirkaldy, 1908 | Palm bug | 2 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 694 | Species | Taxom |
| Thyreocoridae Amyot and Se..., 1843 | Black bugs | 54 | Species | Taxom |
| Tingidae Laporte, 1832 | Lace bug | 326 | Species | Taxom |
| Trachopterygidae Carpenter, 1976 | | 1 | Species | Taxom |
| Trichodectidae Kellogg, 1896 | | 168 | Species | Taxom |
| Trichopsocidae Pearman, 1936 | Lash-faced psocid | 4 | Species | Taxom |
| Trimenoponidae Harrison, 1916 | | 2 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 112 | Species | Taxom |
| Troctopsocidae Mockford, 1967 | | 4 | Species | Taxom |
| Trogiidae Enderlein, 1903 | Granary Booklice | 18 | Species | Taxom |
| Tropiduchidae Stål, 1866 | Tropiduchid Planthoppers | 28 | Species | Taxom |
| Ulopidae (Le Peletier ..., 1825) | | 1 | Species | Taxom |
| Veliidae Amyot & Serv..., 1843 | Broad-shouldered bugs | 92 | Species | Taxom |
| Xylococcidae (Pergrande, 1898) | | 5 | Species | Taxom |
