List of families for Division No. 4 (Saskatchewan)
194 Families width 994 Species and 21 Subspecies
| Acanthosomatidae Signoret, 1864 | Acanthosomatids | 2 | Species | Taxom |
| Acrididae MacLeay, 1819 | Grasshoppers and locusts | 24 | Species | Taxom |
| Aeolothripidae Uzel, 1895 | Banded thrips | 0 | Species | Taxom |
| Aeshnidae Rambur, 1842 | Darners | 5 | Species | Taxom |
| Agromyzidae Fallen, 1823 | Leaf miner flies | 3 | Species | Taxom |
| Andrenidae Webster, 1913 | Andrenid bees | 7 | Species | Taxom |
| Anthicidae Latreille, 1819 | Ant beetles | 1 | Species | Taxom |
| Anthomyiidae Robineau-Des..., 1830 | Anthomyiid flies | 4 | Species | Taxom |
| Aphelinidae Thomson, 1876 | Aphelinid wasps | 0 | Species | Taxom |
| Aphididae Latreille, 1802 | Aphids | 12 | Species | Taxom |
| Aphrophoridae Evans, 1946 | Froghoppers | 2 | Species | Taxom |
| Apidae Latreille, 1802 | Bumble bees | 27 | Species | Taxom |
| Asilidae Latreille, 1802 | Assassin flies | 3 | Species | Taxom |
| Baetidae Leach, 1815 | Mayflies | 4 | Species | Taxom |
| Berytidae Fieber, 1851 | Stilt bug | 1 | Species | Taxom |
| Bibionidae Fleming, 1821 | Bibionid flies | 2 | Species | Taxom |
| Blattidae Stephens, 1829 | American cockroaches | 1 | Species | Taxom |
| Bombyliidae Latreille, 1802 | Bee Flies | 1 | Species | Taxom |
| Brachycentridae Ulmer, 1903 | Humpless Casemaker Caddisflies | 2 | Species | Taxom |
| Braconidae Latreille, 1829 | Braconid wasps | 0 | Species | Taxom |
| Buprestidae Leach, 1815 | Flat-headed wood-borers | 11 | Species | Taxom |
| Caeciliusidae Kolbe, 1880 | Lizard Barklice | 0 | Species | Taxom |
| Caenidae Newman, 1853 | Small square-gill mayflies | 1 | Species | Taxom |
| Calliphoridae Brauer & Ber..., 1889 | Blow flies | 6 | Species | Taxom |
| Calopterygidae Selys, 1850 | Broad-winged damselflies | 1 | Species | Taxom |
| Cantharidae Imhoff, 1856 | Cantharids | 1 | Species | Taxom |
| Capniidae Klapálek, 1905 | Capniid winter stoneflies | 6 | Species | Taxom |
| Carabidae Latreille, 1802 | Carabid beetles | 106 | Species | Taxom |
| Cerambycidae Latreille, 1802 | Long Horn beetles | 10 | Species | Taxom |
| Ceratopogonidae Newman, 1834 | Biting midge | 3 | Species | Taxom |
| Chironomidae Erichson, 1842 | Chironomids | 16 | Species | Taxom |
| Chloroperlidae Okamoto, 1912 | Green stoneflies | 1 | Species | Taxom |
| Chloropidae Schoenherr, 1840 | Chloropid flies | 5 | Species | Taxom |
| Chrysididae Latreille, 1802 | Chrysidid wasps | 1 | Species | Taxom |
| Chrysomelidae Latreille, 1802 | Casebearers | 10 | Species | Taxom |
| Cicadellidae Latreille, 1802 | Cicadellids | 4 | Species | Taxom |
| Cimbicidae Kirby, 1837 | Cimbicid sawflies | 1 | Species | Taxom |
| Cimicidae Latreille, 1802 | Bat bugs | 1 | Species | Taxom |
| Coccinellidae Latreille, 1807 | Coccinelles | 7 | Species | Taxom |
| Coenagrionidae Kirby, 1890 | Narrow-winged damselflies | 6 | Species | Taxom |
| Colletidae Lepeletier, 1841 | Colletid bees | 4 | Species | Taxom |
| Corduliidae Selys-Longch..., 1850 | Baskettails | 2 | Species | Taxom |
| Corixidae Leach, 1815 | Lesser Water-Boatman | 5 | Species | Taxom |
| Crabronidae Latreille, 1802 | Bee Wolves | 4 | Species | Taxom |
| Crambidae Latreille, 1810 | Crambid Snout Moths | 17 | Species | Taxom |
| Culicidae Meigen, 1818 | Mosquito | 6 | Species | Taxom |
| Curculionidae Latreille, 1802 | Ambrosia beetles | 12 | Species | Taxom |
| Cymidae Baerensprung, 1860 | | 1 | Species | Taxom |
| Delphacidae Leach, 1815 | Delphacid planthoppers | 2 | Species | Taxom |
| Dermestidae Hope, 1840 | Carpet beetles | 2 | Species | Taxom |
| Diapriidae Latreille, 1796 | Diapriid wasps | 1 | Species | Taxom |
| Diprionidae Rohwer, 1911 | Conifer sawflies | 1 | Species | Taxom |
| Dolichopodidae Latreille, 1809 | Long legged flies | 1 | Species | Taxom |
| Drepanidae Meyrick, 1895 | Drepanids | 3 | Species | Taxom |
| Drosophilidae Rondani, 1856 | Fruit flies | 2 | Species | Taxom |
| Dryomyzidae Schiner, 1862 | Dryomyzid flies | 1 | Species | Taxom |
| Dytiscidae Leach, 1815 | Diving beetles | 7 | Species | Taxom |
| Elateridae Leach, 1815 | Click Beetle | 4 | Species | Taxom |
| Elmidae Curtis, 1830 | Drive beetles | 5 | Species | Taxom |
| Encyrtidae Walker, 1837 | Encyrtid wasps | 2 | Species | Taxom |
| Ephemeridae Leach, 1817 | Burrowing mayflies | 1 | Species | Taxom |
| Ephydridae Zetterstedt, 1837 | Brine flies | 2 | Species | Taxom |
| Erebidae Leach, 1815 | Erebid Moths | 28 | Species | Taxom |
| Eulophidae Westwood, 1829 | Eulophid wasps | 1 | Species | Taxom |
| Fanniidae Schnabl & Dz..., 1911 | Latrine flies | 1 | Species | Taxom |
| Figitidae Thomson, 1862 | Figitid wasps | 0 | Species | Taxom |
| Forficulidae Stephens, 1829 | Common Earwig | 1 | Species | Taxom |
| Formicidae Latreille, 1809 | Ants | 19 | Species | Taxom |
| Gelechiidae Stainton, 1854 | Gelechiid moths | 1 | Species | Taxom |
| Geometridae Leach, 1815 | Cankerworm moths | 41 | Species | Taxom |
| Gomphidae Rambur, 1842 | Club-tailed dragonflies | 2 | Species | Taxom |
| Gracillariidae Stainton, 1854 | Blotch leaf miner moths | 1 | Species | Taxom |
| Gryllidae Bolivar, 1878 | Crickets | 1 | Species | Taxom |
| Gyrinidae Latreille, 1802 | Whirligig beetle | 2 | Species | Taxom |
| Halictidae Thomson, 1869 | Flower bees | 14 | Species | Taxom |
| Haliplidae Aubé, 1836 | Crawling Water Beetle | 2 | Species | Taxom |
| Heleomyzidae (Westwood, 1840) | Heleomyzid flies | 1 | Species | Taxom |
| Helicopsychidae Ulmer, 1912 | Snail Case caddisflies | 1 | Species | Taxom |
| Helophoridae (Leach, 1815) | Water scavenger beetles | 1 | Species | Taxom |
| Hemerobiidae Latreille, 1802 | Brown Lacewing | 1 | Species | Taxom |
| Heptageniidae Needham, 1901 | Flat-Bodied Up-Wings Heptageniidae | 3 | Species | Taxom |
| Hesperiidae Latreille, 1809 | Skipper | 28 | Species | Taxom |
| Heteroceridae MacLeay, 1825 | Mud beetles | 1 | Species | Taxom |
| Histeridae Gyllenhal, 1808 | Clown beetle | 5 | Species | Taxom |
| Hydrobiosidae Ulmer, 1905 | | 0 | Species | Taxom |
| Hydrophilidae Latreille, 1802 | Silver Water Beetles | 4 | Species | Taxom |
| Hydropsychidae Curtis, 1835 | Net Spinning caddisflies | 1 | Species | Taxom |
| Hydroptilidae Stephens, 1836 | Micro caddisflies | 1 | Species | Taxom |
| Hymenopodidae Giglio-Tos, 1919 | Flower mimic mantises | 1 | Species | Taxom |
| Ichneumonidae Latreille, 1802 | Ichneumon flies | 14 | Species | Taxom |
| Kinnaridae Muir, 1925 | Kinnarid Planthoppers | 1 | Species | Taxom |
| Lachesillidae Pearman, 1936 | Fateful Barklice | 2 | Species | Taxom |
| Lampyridae Latreille, 1817 | Fireflies | 1 | Species | Taxom |
| Lasiocampidae Harris, 1841 | Eggar Moths | 3 | Species | Taxom |
| Latridiidae Erichson, 1842 | Minute brown scavenger beetle | 4 | Species | Taxom |
| Lauxaniidae Macquart, 1835 | Beach flies | 0 | Species | Taxom |
| Leptoceridae Leach, 1815 | Long Horned caddisflies | 5 | Species | Taxom |
| Leptohyphidae Landa & Soldán, 1985 | Little Stout Crawler Mayflies | 1 | Species | Taxom |
| Leptophlebiidae Banks, 1900 | Leptophlebiids | 1 | Species | Taxom |
| Lestidae Calvert, 1901 | Spread-winged damselflies | 2 | Species | Taxom |
| Leuctridae Klapálek, 1905 | Needle Or Willow Stoneflies | 1 | Species | Taxom |
| Libellulidae Rambur, 1842 | Chasers | 15 | Species | Taxom |
| Limnephilidae Kolenati, 1848 | Northern caddisflies | 11 | Species | Taxom |
| Lycaenidae Leach, 1815 | Blue butterflies | 24 | Species | Taxom |
| Lygaeidae Schilling, 1829 | Chinch bugs | 1 | Species | Taxom |
| Megachilidae Schenk, 1860 | And Resin Bees | 10 | Species | Taxom |
| Melandryidae Leach, 1815 | False Darkling Beetle | 1 | Species | Taxom |
| Meloidae Gyllenhal, 1810 | Blister Beetle | 5 | Species | Taxom |
| Milichiidae Schiner, 1862 | Filth flies | 0 | Species | Taxom |
| Miridae Hahn, 1831 | Capsid bugs | 8 | Species | Taxom |
| Mordellidae Latreille, 1802 | Pintail beetles | 1 | Species | Taxom |
| Muscidae Latreille, 1802 | Face flies | 21 | Species | Taxom |
| Mutillidae André, 1907 | Cow ant | 0 | Species | Taxom |
| Mycetophilidae Newman, 1834 | Fungus Gnat | 9 | Species | Taxom |
| Mymaridae Haliday, 1833 | Fairflies | 0 | Species | Taxom |
| Myrmeleontidae Latreille, 1802 | Ant lions | 1 | Species | Taxom |
| Nemouridae Newman, 1853 | Brown stoneflies | 3 | Species | Taxom |
| Nepidae Latreille, 1802 | Back-swimmer Water-boatmen | 1 | Species | Taxom |
| Nepticulidae Stainton, 1854 | Leaf miners | 1 | Species | Taxom |
| Nitidulidae Latreille, 1802 | Nitidules | 2 | Species | Taxom |
| Noctuidae Latreille, 1809 | Armyworms | 69 | Species | Taxom |
| Nogodinidae Melichar, 1898 | | 1 | Species | Taxom |
| Notodontidae Stephens, 1829 | Bag Shelter Moths | 3 | Species | Taxom |
| Notonectidae Latreille, 1802 | Back Swimmers | 1 | Species | Taxom |
| Nymphalidae Rafinesque, 1815 | Admirals | 46 | Species | Taxom |
| Oecanthidae (Blanchard, 1845) | Tree cricket | 1 | Species | Taxom |
| Oecophoridae Bruand, 1851 | Concealer Moths | 2 | Species | Taxom |
| Oedemeridae Latreille, 1810 | False Blister Beetle | 1 | Species | Taxom |
| Oxycarenidae Stål, 1862 | | 1 | Species | Taxom |
| Papilionidae Latreille, 1802 | Apollos | 7 | Species | Taxom |
| Pentatomidae Leach, 1815 | Lesser shield bugs | 5 | Species | Taxom |
| Peripsocidae Roesler, 1944 | Stout Barklice | 1 | Species | Taxom |
| Perlidae (Latreille, 1802) | Common stoneflies | 3 | Species | Taxom |
| Perlodidae Klapálek, 1912 | Perlodid stoneflies | 3 | Species | Taxom |
| Philopteridae Burmeister, 1830 | | 1 | Species | Taxom |
| Phoridae Curtis, 1833 | Coffin Flies | 3 | Species | Taxom |
| Phryganeidae (Leach, 1815) | Giant casemaker | 2 | Species | Taxom |
| Pieridae Duponchel, 1835 | Brimstones | 19 | Species | Taxom |
| Pipunculidae Walker, 1834 | Big headed flies | 0 | Species | Taxom |
| Platygastridae Haliday, 1833 | Platygastrid wasps | 1 | Species | Taxom |
| Plutellidae Guenée, 1845 | Diamond-back moths | 1 | Species | Taxom |
| Polycentropodidae Ulmer, 1903 | Tube Maker Caddisflies | 0 | Species | Taxom |
| Pompilidae Latreille, 1805 | Pompilid wasps | 1 | Species | Taxom |
| Prisopodidae Brunner von ..., 1893 | | 1 | Species | Taxom |
| Protoneuridae Tillyard, 1917 | Bambootails | 1 | Species | Taxom |
| Psychidae Boisduval, 1828 | Bagmoths | 1 | Species | Taxom |
| Psychodidae Newman, 1834 | Drain flies | 2 | Species | Taxom |
| Psyllidae Latreille, 1807 | Jumping plant lice | 0 | Species | Taxom |
| Pteromalidae Dalman, 1820 | Pteromalid wasps | 1 | Species | Taxom |
| Pteronarcyidae Enderlein, 1909 | Giant stoneflies | 0 | Species | Taxom |
| Pterophoridae Zeller, 1841 | Plume Moths | 2 | Species | Taxom |
| Ptinidae Latreille, 1802 | Death-watch and Spider Beetles | 0 | Species | Taxom |
| Ptychopteridae Osten Sacken, 1862 | Phantom crane flies | 1 | Species | Taxom |
| Pyralidae Latreille, 1802 | Flour Moths | 2 | Species | Taxom |
| Pyrochroidae Latreille, 1807 | Cardinal beetles | 1 | Species | Taxom |
| Raphidiidae Latreille, 1810 | Raphidiid snakeflies | 1 | Species | Taxom |
| Reduviidae Latreille, 1807 | Assassin and thread-legged bugs | 1 | Species | Taxom |
| Rhopalopsyllidae Oudemans, 1909 | Marsupial fleas | 1 | Species | Taxom |
| Rhyparochromidae Amyot & Serv..., 1843 | Dirt-colored Seed Bugs | 1 | Species | Taxom |
| Riodinidae Grote, 1895 | Metalmark Butterflies | 3 | Species | Taxom |
| Saldidae Amyot and Se..., 1843 | Shore bug | 1 | Species | Taxom |
| Saturniidae Boisduval, 1837 | And Giant Silk Moths | 4 | Species | Taxom |
| Scarabaeidae Latreille, 1802 | Dung beetles | 8 | Species | Taxom |
| Scathophagidae Robineau-Des..., 1830 | Dung flies | 3 | Species | Taxom |
| Scelionidae Haliday, 1839 | Scelionid wasps | 1 | Species | Taxom |
| Sciomyzidae Fallen, 1820 | Marsh Flies | 3 | Species | Taxom |
| Scirtidae Fleming, 1821 | Marsh Beetle | 1 | Species | Taxom |
| Scutelleridae Leach, 1815 | Jewel bugs | 1 | Species | Taxom |
| Scydmaenidae (Leach, 1815) | Ant-like stone beetles | 1 | Species | Taxom |
| Serendipidae Evenhuis, 1994 | | 0 | Species | Taxom |
| Sesiidae Boisduval, 1828 | Clear Wings | 4 | Species | Taxom |
| Silphidae Latreille, 1807 | Burying And Carrion Beetles | 3 | Species | Taxom |
| Simuliidae Newman, 1834 | Black flies | 1 | Species | Taxom |
| Sphaeroceridae Macquart, 1835 | Dung flies | 1 | Species | Taxom |
| Sphecidae Latreille, 1802 | Digger & Sand wasps | 1 | Species | Taxom |
| Sphingidae Latreille, 1802 | Hawk Moths | 11 | Species | Taxom |
| Staphylinidae Lameere, 1900 | Rove beetles | 6 | Species | Taxom |
| Syrphidae Latreille, 1802 | Drone flies | 17 | Species | Taxom |
| Tabanidae Latreille, 1802 | Breeze flies | 5 | Species | Taxom |
| Tachinidae (Robineau-Des..., 1830) | Bristle Flies | 3 | Species | Taxom |
| Tenebrionidae Latreille, 1802 | Darkling Beetle | 6 | Species | Taxom |
| Tenthredinidae Latreille, 1804 | Common sawflies | 4 | Species | Taxom |
| Tephritidae Newman, 1834 | Fruit flies | 3 | Species | Taxom |
| Tetrigidae Rambur, 1838 | Groundhoppers | 2 | Species | Taxom |
| Tettigoniidae Krauss, 1902 | Bush crickets | 1 | Species | Taxom |
| Thripidae Stevens, 1829 | Common thrips | 0 | Species | Taxom |
| Tineidae Latreille, 1810 | & Allies | 1 | Species | Taxom |
| Tipulidae Latreille, 1802 | Crane Flies | 3 | Species | Taxom |
| Tortricidae Latreille, 1803 | Bell Moths | 6 | Species | Taxom |
| Trigonidiidae (Saussure, 1870) | And Ground Crickets | 1 | Species | Taxom |
| Triozidae Löw, 1879 | Jumping plant lice | 1 | Species | Taxom |
| Trogidae (MacLeay, 1819) | Gnawer beetles | 1 | Species | Taxom |
| Vespidae Leach, 1815 | And Allies | 4 | Species | Taxom |
| Xyloryctidae Meyrick, 1890 | Flower Moths | 1 | Species | Taxom |
