| Adalia (Adalia) bipunctata Linnaeus, 1758 | 2-spot Ladybird |
| Adalia coloradensis (Casey, 1908) | ⇒ Adalia bipunctata Linnaeus, 1758 |
| Adalia ornatella (Casey, 1899) | ⇒ Adalia bipunctata Linnaeus, 1758 |
| Adalia ovipennis (Casey, 1899) | ⇒ Adalia bipunctata Linnaeus, 1758 |
| Adalia subversa ♰ S. H. Scudder, 1900 | |
| Anatis labiculata Say, 1824 | Fifteen-spot Ladybird Beetle |
| Anatis lecontei Casey, 1899 | Giant Lady Beetle |
| Anatis mali Say, 1825 | Eye-spotted Lady Beetle |
| Anatis rathvoni LeConte, 1852 | Flying Saucer Lady Beetle |
| Anatis resurgens ♰ H. F. Wickham, 1917 | |
| Anisosticta bitriangularis Say, 1824 | Marsh Lady Beetle |
| Anisosticta borealis Timberlake, 1943 | |
| Anisosticta strigata Thunberg, 1795 | |
| Axion alutaceum | |
| Axion plagiatum Leng, 1908 | |
| Axion tripustulatum De Geer, 1775 | Three-spotted Lady Beetle |
| Azya orbigera Mulsant, 1850 | Globe-marked Lady Beetle |
| Blaisdelliana sexualis Casey, 1924 | |
| Brachiacantha albifrons Say, 1824 | White-fronted Lady Beetle |
| Brachiacantha blaisdelli Nunenmacher, 1909 | |
| Brachiacantha dentipes Fabicius, 1801 | |
| Brachiacantha illustris Casey, 1899 | |
| Brachiacantha lepida Mulsant, 1850 | |
| Brachiacantha quadripunctata Melsheimer, 1847 | Four-Spotted Spurleg Lady Beetle |
| Brachiacantha tau LeConte, 1859 | T-marked Lady Beetle |
| Brachiacantha ursina Fabricius, 1787 | Orange-spotted Lady Beetle |
| Brachiacantha uteella Casey, 1908 | |
| Brachyacantha tau LeConte, 1859 | |
| Brachycantha illustris | |
| Brachycantha pacifica | |
| Brachycantha uteella | |
| Brumoides blumi Nunenmacher, 1934 | |
| Brumoides histrio Fall, 1901 | |
| Brumoides septentrionis Weise, 1885 | |
| Brumoides septentrionis septentrionis Weise, 1885 | |
| Brumoides suturalis Mulsant, 1850 | Three-striped lady beetle |
| Brumus quadripustulatus (Linnaeus, 1758) | ⇒ Harmonia axyridis Pallas, 1773 |
| Calvia (Anisocalvia) quatuordecimguttata Linnaeus, 1758 | Cream Spotted Lady-beetle |
| Cephaloscymnus occidentalis Horn, 1895 | |
| Ceratomegilla similis | |
| Ceratomegilla ulkei Crotch, 1873 | |
| Chilocorus (Chilocorus) cacti (Linnaeus, 1767) | ⇒ Chilocorus renipustulatus Scriba, 1790 |
| Chilocorus bipustulatus Linnaeus, 1758 | Heather Lady Beetle |
| Chilocorus confusor Casey, 1899 | |
| Chilocorus fraternus LeConte, 1860 | |
| Chilocorus kuwanae Silvestri, 1909 | Grovesnail |
| Chilocorus orbus Casey, 1899 | |
| Chilocorus stigma Say, 1835 | Twice-stabbed lady beetle |
| Chilocorus tumidus Leng, 1908 | |
| Chilocorus ulkei ♰ S. H. Scudder, 1900 | |
| Clitostethus arcuatus Rossi, 1794 | Ladybird beetle |
| Coccidophilus atronitens Casey, 1899 | |
| Coccidula lepida Le Conte, 1852 | Snow Lady Beetle |
| Coccinella (Coccinella) hieroglyphica Linnaeus, 1758 | Gray bushmallow |
| Coccinella hieroglyphica mannerheimi Mulsant, 1850 | |
| Coccinella (Coccinella) septempunctata Linnaeus, 1758 | 7-spot Ladybird |
| Coccinella (Coccinella) transversoguttata Faldermann, 1835 | Narrowflower flaxflower |
| Coccinella transversoguttata richardsoni Brown, 1962 | Transverse lady beetle |
| Coccinella (Coccinella) trifasciata Linnaeus, 1758 | Gray bushmallow |
| Coccinella trifasciata perplexa Mulsant, 1850 | American Three-Banded Lady Beetle |
| Coccinella (Spilota) alta Brown, 1962 | High-country Lady Beetle |
| Coccinella (Spilota) californica Mannerheim, 1843 | Arizona cottonwood |
| Coccinella (Spilota) fulgida Watson, 1954 | Gleaming Lady Beetle |
| Coccinella (Spilota) johnsoni Casey, 1908 | |
| Coccinella (Spilota) monticola Mulsant, 1850 | Mountain Lady Beetle |
| Coccinella (Spilota) novemnotata Herbst, 1793 | 9-spot ladybird |
| Coccinella (Spilota) prolongata Crotch, 1873 | Prolongate Lady Beetle |
| Coccinella (Spilota) repanda (Thunberg, 1781) | ⇒ Coccinella undecimpunctata Linnaeus, 1758 |
| Coccinella (Spilota) undecimpunctata Linnaeus, 1758 | 11-spot Ladybird |
| Coccinella difficilis Crotch, 1873 | |
| Coccinella florissantensis ♰ H. F. Wickham, 1914 | |
| Coccinella sodoma ♰ H. F. Wickham, 1913 | |
| Coleomegilla maculata DeGeer, 1775 | Pink spotted lady beetle |
| Cryptogonus orbiculus Gyllenhal, 1808 | Lady beetle |
| Cryptolaemus montrousieri Mulsant, 1853 | |
| Cryptolaemus montrouzieri Mulsant, 1853 | Mealy Bug Destroyer Larvae |
| Curinus coeruleus Mulsant, 1850 | Ladybird beetle |
| Cycloneda limbifer Casey, 1899 | |
| Cycloneda munda Say, 1835 | Polished Lady Beetle |
| Cycloneda polita Casey, 1899 | Western Blood-Red Lady Beetle |
| Cycloneda rubripennis | |
| Cycloneda sanguinea Linnaeus, 1763 | Ladybird beetle |
| Delphastus catalinae (LeConte, 1852) | ⇒ Delphastus pusillus LeConte, 1852 |
| Delphastus dejavu | |
| Delphastus pusillus LeConte, 1852 | Ladybird beetle |
| Didion longulum Casey, 1899 | |
| Didion nanum LeConte, 1852 | |
| Didion parviceps | |
| Diomus debilis LeConte, 1852 | Debilitated lady-beetle |
| Diomus pumilio Weise, 1885 | Ladybird beetle |
| Diomus terminatus Say, 1835 | Firefly Duskyling |
| Egius platycephalus Mulsant, 1850 | Ladybird beetle |
| Epilachna borealis Fabricius, 1775 | Squash beetle |
| Epilachna corrupta (Mulsant, 1850) | ⇒ Epilachna varivestis Mulsant, 1850 |
| Epilachna varivestis Mulsant, 1850 | Ladybird Beetle |
| Exochomus (Exochomus) aethiops Bland, 1864 | |
| Exochomus (Exochomus) californicus Casey, 1899 | |
| Exochomus childreni Mulsant, 1850 | |
| Exochomus desertorum (Gebler, 1841) | ⇒ Brumoides septentrionis Weise, 1885 |
| Exochomus fasciatus Casey, 1899 | |
| Exochomus marginipennis LeConte, 1824 | |
| Exochomus metallicus Korschefsky, 1935 | Ladybird beetle |
| Exochomus mormonicus | |
| Exochomus ovoideus | |
| Exochomus parvicollis | |
| Exochomus pleuralis LeConte, 1859 | |
| Exochomus subrotundus Casey, 1899 | |
| Gnathoweisea ferox Gordon, 1985 | |
| Gnathoweisea hageni Gordon, 1985 | |
| Gnathoweisea planiceps Casey, 1899 | |
| Halmus chalybeus Boisduval, 1835 | Steel blue lady beetle |
| Harmonia axyridis Pallas, 1773 | Asian lady beetle |
| Harmonia conformis Boisduval, 1835 | Common spotted lady beetle |
| Helesius nigripennis LeConte, 1878 | |
| Hippodamia (Hemisphaerica) arctica Scheider, 1792 | |
| Hippodamia (Hemisphaerica) tredecimpunctata Linnaeus, 1758 | 13-spot ladybird |
| Hippodamia tredecimpunctata tibialis Say, 1824 | Thirteen-spotted lady beetle |
| Hippodamia (Hippodamia) apicalis Casey, 1899 | |
| Hippodamia (Hippodamia) caseyi Johnson, 1910 | Casey´s Lady Beetle |
| Hippodamia (Hippodamia) convergens Guérin-Ménev..., 1842 | Convergent Lady Beetle |
| Hippodamia (Hippodamia) expurgata Casey, 1908 | Expurgate Lady Beetle |
| Hippodamia (Hippodamia) falcigera Crotch, 1873 | Sickle-marked Lady Beetle |
| Hippodamia (Hippodamia) glacialis Fabricius, 1775 | Glacial Lady Beetle |
| Hippodamia (Hippodamia) moesta LeConte, 1854 | Douglas' stitchwort |
| Hippodamia (Hippodamia) oregonensis Crotch, 1873 | Oregon Lady Beetle |
| Hippodamia (Hippodamia) parenthesis Say, 1824 | Parenthesis Lady Beetle |
| Hippodamia (Hippodamia) quinquesignata Kirby, 1837 | 5-spot ladybird |
| Hippodamia quinquesignata quinquesignata Kirby, 1837 | |
| Hippodamia (Hippodamia) sinuata Mulsant, 1850 | Sinuate lady beetle |
| Hippodamia sinuata spuria LeConte, 1867 | |
| Hippodamia (Hippodamia) variegata Goeze, 1777 | Adonis' Ladybird |
| Hippodamia (Hippodamia) washingtoni Timberlake, 1939 | Washington´s Lady Beetle |
| Hippodamia (Semiadalia) lunatomaculata Motschulsky, 1845 | |
| Hippodamia ambigua (Le Conte, 1852) | ⇒ Hippodamia quinquesignata Kirby, 1837 |
| Hippodamia cockerelli | |
| Hippodamia crotchi | |
| Hippodamia dispar | |
| Hippodamia juncta | |
| Hippodamia liliputana | |
| Hippodamia obliqua | |
| Hippodamia politissima | |
| Hippodamia punctulata LeConte, 1852 | |
| Hippodamia trivittata | |
| Hippodamia uteana | |
| Hippodamia vernix | |
| Hyperaspidius algodonus Gordon, 1985 | |
| Hyperaspidius andrewsi Gordon, 1985 | |
| Hyperaspidius arcuatus LeConte, 1852 | |
| Hyperaspidius comparatus Casey, 1899 | |
| Hyperaspidius conspiratus | |
| Hyperaspidius hardyi Gordon, 1985 | |
| Hyperaspidius hercules Belicek, 1976 | |
| Hyperaspidius insignis Casey, 1899 | |
| Hyperaspidius mimus Casey, 1924 | Goose barnacles |
| Hyperaspidius simulatus Gordon, 1985 | |
| Hyperaspidius tristis LeConte, 1880 | |
| Hyperaspidius vittigerus LeConte, 1852 | |
| Hyperaspis (Oxynychus) bigeminata Randall, 1838 | Bigeminate Sigil Lady Beetle |
| Hyperaspis (Oxynychus) borealis Dobzhansky, 1941 | |
| Hyperaspis (Oxynychus) dissoluta Crotch, 1873 | Dissolute Lady Beetle |
| Hyperaspis (Oxynychus) fastidiosa Casey, 1908 | Fastidious Lady Beetle |
| Hyperaspis (Oxynychus) inflexa Casey, 1899 | Curved Lady Beetle |
| Hyperaspis (Oxynychus) lateralis Mulsant, 1850 | Lateral Lady Beetle |
| Hyperaspis (Oxynychus) moerens LeConte, 1850 | |
| Hyperaspis (Oxynychus) oregona Dobzhansky, 1941 | |
| Hyperaspis (Oxynychus) postica LeConte, 1880 | Postica Lady Beetle |
| Hyperaspis proba proba | |
| Hyperaspis (Oxynychus) quadrivittata LeConte, 1852 | Four-streaked Lady Beetle |
| Hyperaspis (Oxynychus) signata Olivier, 1808 | Signate Lady Beetle |
| Hyperaspis (Oxynychus) undulata Say, 1824 | Undulate Lady Beetle |
| Hyperaspis annexa LeConte, 1852 | |
| Hyperaspis aterrima | |
| Hyperaspis bensonica Casey, 1908 | |
| Hyperaspis californica | |
| Hyperaspis chapini Dobzhansky, 1941 | |
| Hyperaspis cincta LeConte, 1858 | |
| Hyperaspis coloradana | |
| Hyperaspis concurrens | |
| Hyperaspis connectens Thunberg, 1808 | |
| Hyperaspis effeta | |
| Hyperaspis excelsa Fall, 1901 | |
| Hyperaspis fidelis | |
| Hyperaspis fimbriolata Melsheimer, 1847 | Lady beetle |
| Hyperaspis immaculata Hatch, 1961 | |
| Hyperaspis jovialis Fall, 1925 | |
| Hyperaspis laevipennis | |
| Hyperaspis limbalis Casey, 1899 | |
| Hyperaspis montanica | |
| Hyperaspis nevadica | |
| Hyperaspis notatula | |
| Hyperaspis nunenmacheri Casey, 1908 | |
| Hyperaspis nupta | |
| Hyperaspis octonotata Casey, 1899 | Eight-spotted Lady Beetle |
| Hyperaspis oculaticauda Casey, 1899 | Eye-tailed Lady Beetle |
| Hyperaspis osculans LeConte, 1880 | Lady beetle |
| Hyperaspis pleuralis Casey, 1899 | |
| Hyperaspis pluto Fall, 1925 | |
| Hyperaspis pratensis LeConte, 1852 | |
| Hyperaspis psyche Casey, 1899 | |
| Hyperaspis quadrioculata Motschulsky, 1845 | Four-eyed Lady Beetle |
| Hyperaspis querquesi Nutting, 1980 | |
| Hyperaspis revocans Casey, 1908 | |
| Hyperaspis schuhi | |
| Hyperaspis significans Casey, 1908 | |
| Hyperaspis simulans Casey, 1899 | |
| Hyperaspis simulatrix Dobzhansky, 1941 | |
| Hyperaspis simuloides | |
| Hyperaspis spiculinota Fall, 1901 | |
| Hyperaspis subdepressa Casey, 1899 | |
| Hyperaspis taeniata LeConte, 1852 | Ribboned Lady Beetle |
| Hyperaspis tetraneura | |
| Hyperaspis trifurcata Schaeffer, 1905 | |
| Hyperaspis uteana Gordon, 1985 | |
| Lotis nigerrima Casey, 1899 | |
| Macronaemia (Macronaemia) episcopalis Kirby, 1837 | Episcopal Lady Beetle |
| Microweisea misella LeConte, 1878 | |
| Mulsantina hudsonica Casey, 1899 | Hudsonian Lady Beetle |
| Mulsantina picta Randall, 1831 | Painted Lady Beetle |
| Myzia interrupta Casey, 1899 | |
| Myzia subvittata Mulsant, 1850 | Subvittate Lady Beetle |
| Nephus (Nephus) flavopictus Wollaston, 1854 | |
| Nephus (Nephus) ornatus LeConte, 1850 | Ornate Lady Beetle |
| Nephus ornatus naviculatus Casey, 1899 | |
| Nephus (Scymnobius) guttulatus LeConte, 1852 | |
| Nephus (Scymnobius) quadrarius Casey, 1924 | |
| Nephus (Scymnobius) sordidus Horn, 1895 | Little Brown Mealybug Destroyer |
| Nephus (Sidis) binaevatus Mulsant, 1850 | Ladybird beetle |
| Nephus (Sidis) horioni Fürsch, 1965 | |
| Nephus (Turboscymnus) georgei Weise, 1929 | George´s Lady Beetle |
| Nipus biplagiatus Casey, 1899 | |
| Nipus niger Casey, 1899 | |
| Nipus occiduus Gordon, 1970 | |
| Nipus planatus Gordon, 1970 | |
| Olla spec | |
| Olla v-nigrum Mulsant, 1866 | Ashy Gray Lady Beetle |
| Paranaemia vittigera Mannerheim, 1843 | Ladybird beetle |
| Parexochomus quadriplagiatus Wollaston, 1864 | |
| Propylaea quatuordecimpunctata Linnaeus, 1758 | 14-Spotted Ladybird Beetle |
| Psyllobora borealis Casey, 1899 | Western Psyllobora Lady Beetle |
| Psyllobora confluens Fabricius, 1801 | |
| Psyllobora deficiens | |
| Psyllobora renifer Casey, 1899 | Kidney-spotted Psyllobora |
| Psyllobora separata (Casey, 1899) | ⇒ Psyllobora vigintimaculata Say, 1824 |
| Psyllobora taedata (LeConte, 1860) | ⇒ Psyllobora vigintimaculata Say, 1824 |
| Psyllobora vigintimaculata Say, 1824 | Ladybird Beetle |
| Rhyzobius forestieri (Mulsant, 1853) | ⇒ Lindorus forestieri Mulsant, 1853 |
| Rhyzobius lophanthae Blaisdell, 1892 | Scale-eating ladybird |
| Rhyzobius ventralis Erichson, 1842 | Black Lady Beetle |
| Rodolia cardinalis Mulsant, 1850 | Australian ladybird |
| Scymnus (Pullus) ardelio Horn, 1895 | |
| Scymnus (Pullus) aridus Casey, 1899 | |
| Scymnus (Pullus) calaveras Casey, 1899 | Calaveras Lady Beetle |
| Scymnus (Pullus) canariensis Wollaston, 1864 | |
| Scymnus (Pullus) caudalis LeConte, 1850 | Caudal Lady Beetle |
| Scymnus (Pullus) cervicalis Mulsant, 1850 | |
| Scymnus (Pullus) cockerelli Casey, 1899 | |
| Scymnus (Pullus) coniferarum Crotch, 1874 | Conifer Lady Beetle |
| Scymnus (Pullus) creperus Mulsant, 1850 | |
| Scymnus (Pullus) enochrus Gordon, 1976 | |
| Scymnus (Pullus) erythronotum Gordon, 1976 | |
| Scymnus (Pullus) falli Gordon, 1976 | Fall´s Lady Beetle |
| Scymnus (Pullus) flavescens Casey, 1899 | |
| Scymnus (Pullus) fraternus LeConte, 1852 | |
| Scymnus (Pullus) garlandicus Casey, 1899 | Garland Lady Beetle |
| Scymnus (Pullus) gilae Casey, 1899 | |
| Scymnus (Pullus) horni Gorham, 1897 | Lady beetle |
| Scymnus (Pullus) humboldti Casey, 1899 | |
| Scymnus (Pullus) ignarus Gordon, 1976 | |
| Scymnus (Pullus) impletus Gordon, 1976 | |
| Scymnus (Pullus) iowensis Casey, 1899 | Iowa Lady Beetle |
| Scymnus (Pullus) jacobianus Casey, 1899 | |
| Scymnus (Pullus) lacustris LeConte, 1850 | Lacustrine Lady Beetle |
| Scymnus (Pullus) loewii Mulsant, 1850 | Dusky lady beetle |
| Scymnus (Pullus) luctuosus Casey, 1899 | |
| Scymnus (Pullus) marginicollis Mannerheim, 1843 | Arizona cottonwood |
| Scymnus (Pullus) mendocino Casey, 1899 | |
| Scymnus (Pullus) monticola Casey, 1899 | |
| Scymnus (Pullus) mormon Casey, 1899 | |
| Scymnus (Pullus) nugator Casey, 1899 | |
| Scymnus (Pullus) nuttingi Gordon, 1976 | |
| Scymnus (Pullus) pacificus Crotch, 1874 | |
| Scymnus (Pullus) pallens LeConte, 1852 | |
| Scymnus (Pullus) postpictus (Casey, 1899) | ⇒ Scymnus postpinctus Casey, 1899 |
| Scymnus (Pullus) puncticollis LeConte, 1852 | |
| Scymnus (Pullus) renoicus Casey, 1899 | |
| Scymnus (Pullus) solidus Casey, 1899 | |
| Scymnus (Pullus) suturalis Thunberg, 1795 | Ladybird Beetle |
| Scymnus (Pullus) tahoensis Casey, 1899 | |
| Scymnus (Pullus) tenebricus Gordon, 1976 | |
| Scymnus (Pullus) tenebrosus Mulsant, 1850 | |
| Scymnus (Pullus) utahensis Gordon, 1976 | |
| Scymnus (Pullus) uteanus Casey, 1899 | |
| Scymnus (Pullus) weidti Casey, 1899 | |
| Scymnus (Pullus) wickhami Gordon, 1976 | |
| Scymnus (Scymnus) caurinus Horn, 1895 | Northwestern Lady Beetle |
| Scymnus (Scymnus) cercyonoides Wollaston, 1864 | |
| Scymnus (Scymnus) difficilis Casey, 1899 | |
| Scymnus (Scymnus) fenderi Malkin, 1943 | |
| Scymnus (Scymnus) nebulosus LeConte, 1852 | Nebulous Lady Beetle |
| Scymnus (Scymnus) opaculus Horn, 1895 | |
| Scymnus (Scymnus) schmidti Fürsch, 1958 | |
| Scymnus advena | |
| Scymnus aluticollis | |
| Scymnus bisignatus (Boheman, 1850) | ⇒ Nephus bisignatus bisignatus Boheman, 1850 |
| Scymnus blaisdelli | |
| Scymnus coloradensis Horn, 1895 | |
| Scymnus decipiens (J. Weise, 1885) | ⇒ Scymnus ardelio Horn, 1895 |
| Scymnus desertorum | |
| Scymnus extricatus | |
| Scymnus innocuus Boheman, 1859 | |
| Scymnus jacinto | |
| Scymnus maculatus | |
| Scymnus marinicus | |
| Scymnus occiduus | |
| Scymnus postpinctus Casey, 1899 | |
| Scymnus quadrivittatus Mulsant, 1850 | Lady beetle |
| Scymnus saginatus | |
| Scymnus sarpedon | |
| Scymnus scitus | |
| Scymnus sonomae | |
| Scymnus strenuus | |
| Scymnus stygicus | |
| Scymnus suavis | |
| Scymnus subsimilis | |
| Scymnus tenuivestis | |
| Selvadius nunenmacheri Gordon, 1970 | |
| Stethorus (Stethorus) gilvifrons Mulsant, 1850 | |
| Stethorus (Stethorus) punctillum (Weise, 1891) | ⇒ Stethorus minima Rossi, 1794 |
| Stethorus (Stethorus) punctum LeConte, 1852 | Spider Mite Destroyer |
| Stethorus brevis | |
| Subcoccinella vigintiquatuorpunctata Linnaeus, 1758 | 24-spot Ladybird |
| Telsimia emarginata E. A. Chapin, 1926 | |
| Zagloba laticollis | |
| Zagloba orbipennis | |
| Zagloba ornata G. Horn, 1895 | Rusty green fishlouse |
| Zilus aterrimus Horn, 1895 | Rusty green fishlouse |
