| Agriades aquilo (Boisduval, 1832) | ⇒ Agriades glandon Prunner, 1798 |
| Agriades aquilo podarce | |
| Agriades aquilo rustica | |
| Agriades cassiope Emmel & Emmel, 1998 | Cassiope Blue |
| Agriades franklini | Franklin Blue |
| Agriades glandon Prunner, 1798 | 'Glandon' Arctic Blue |
| Agriades glandon cassiope J. Emmel & T..., 1998 | Arctic Blue |
| Agriades glandon kelsoni J. Emmel & T..., 1998 | Arctic Blue |
| Agriades glandon punctatus Austin, 1998 | Arctic Blue |
| Agriades glandon rustica W. H. Edwards, 1865 | Arctic Blue |
| Agriades hylas Schiffermüller, 1776 | |
| Agriades optilete Knoch, 1781 | Cranberry Blue |
| Agriades optilete yukona W. Holland, 1900 | Cranberry Blue |
| Agriades podarce Felder, C. &..., 1865 | Arrowhead Arctic Blue |
| Agriades podarce cilla Behr, 1867 | Sierra Blue |
| Agriades podarce klamathensis J. Emmel & T..., 1998 | Sierra Blue |
| Agriades podarce podarce C. Felder & ..., 1865 | Sierra Blue |
| Agriades rustica Edwards, 1865 | |
| Agriades rustica rustica | Arctic blue |
| Agriades rusticus | |
| Agriades zullichi Hemming, 1933 | Zullich's Blue |
| Aricia (Aricia) agestis Denis & Schi..., 1775 | Brown Argus |
| Aricia (Aricia) artaxerxes Fabricius, 1793 | Mountain Argus |
| Aricia (Aricia) cramera Eschscholtz, 1821 | Eschscholtz´S Brown Argus |
| Aricia (Aricia) nevadensis Oberthür, 1910 | |
| Aricia (Eumedonia) eumedon (Esper, 1780) | ⇒ Eumedonia eumedon Esper, 1780 |
| Aricia (Icaricia) acmon (Westwood, 1851) | ⇒ Plebejus acmon Westwood, 1851 |
| Aricia acmon cottlei F. Grinnell, 1916 | |
| Aricia acmon lutzi dos Passos, 1938 | |
| Aricia (Icaricia) icarioides (Boisduval, 1852) | ⇒ Icaricia icarioides Boisduval, 1852 |
| Aricia icarioides buholczi dos Passos, 1938 | |
| Aricia icarioides daedalus (H.H. Behr, 1867) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides evius (J.B.A.D. Boi..., 1869) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides fulla (W.H. Edwards, 1870) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides icarioides J.B.A.D. Boi..., 1852 | |
| Aricia icarioides maricopa (T. Reakirt, 1866) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides mintha (W.H. Edwards, 1870) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides phileros (J.B.A.D. Boi..., 1869) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia icarioides spinimaculata (J.D. Gunder, 1926) | ⇒ Aricia icarioides icarioides J.B.A.D. Boi..., 1852 |
| Aricia (Icaricia) lupini Boisduval, 1869 | Lupine Blue |
| Aricia lupini acmon (tr.f. angelu..., 1930) | ⇒ Aricia lupini monticola V.L. Clémence, 1909 |
| Aricia lupini immaculata (F.H. Chermock, 1929) | ⇒ Aricia lupini lupini J.B.A.D. Boi..., 1869 |
| Aricia lupini lupini J.B.A.D. Boi..., 1869 | |
| Aricia lupini monticola V.L. Clémence, 1909 | |
| Aricia lupini texanus C. Goodpasture, 1973 | |
| Aricia (Icaricia) saepiolus Boisduval, 1852 | Greenish Blue |
| Aricia saepiolus garthi (J.D. Gunder, 1928) | ⇒ Aricia saepiolus hilda J. Grinnell ..., 1907 |
| Aricia saepiolus hilda J. Grinnell ..., 1907 | |
| Aricia saepiolus saepiolus (tr.f. bohart..., 1932) | ⇒ Aricia saepiolus hilda J. Grinnell ..., 1907 |
| Aricia (Icaricia) shasta W.H. Edwards, 1862 | Shasta Blue |
| Aricia shasta zelmira Felder & Felder, 1865 | |
| Aricia antaegon J.B.A.D. Boi..., 1852 | |
| Aricia elongata Courvoisier, 1910 | |
| Aricia icaroides Carter & Har..., 1929 | |
| Aricia kelseyi W.S. Wright, 1930 | |
| Aricia labecula F.E. Watson ..., 1920 | |
| Aricia punctata (Stein, 1898) | ⇒ Helina procedens Walker, 1861 |
| Aricia rufitibia (Stein, 1898) | ⇒ Helina rufitibia Stein, 1898 |
| Azanus ubaldus Stoll, 1782 | Bright Babul Blue |
| Brephidium exile (Boisduval, 1852) | ⇒ Brephidium exilis Boisduval, 1852 |
| Brephidium exilis Boisduval, 1852 | Fea Pygmyblue |
| Brephidium exilis coolidgei J.D. Gunder, 1925 | |
| Brephidium exilis exilis (Boisduval, 1852) | ⇒ Brephidium exilis isophthalma Herrich-Schä..., 1862 |
| Brephidium exilis fea W.H. Edwards, 1871 | |
| Brephidium exilis isophthalma Herrich-Schä..., 1862 | Antillean Western Pygmy-Blue |
| Brephidium isophthalma Herrich-Schä..., 1862 | Eastern pygmy blue |
| Brephidium pseudofea (Morrison, 1873) | ⇒ Brephidium isophthalma Herrich-Schä..., 1862 |
| Brephidium pseudofea insularis Pavulaan & G..., 1999 | Eastern Pygmy-Blue |
| Brephidium pseudofea pseudofea Morrison, 1873 | Eastern Pygmy-Blue |
| Cacyreus marshalli Butler, 1898 | Brun des pélargoniums |
| Castalius anomalogramma (Butler, 1876) | ⇒ Tuxentius cretosus Butler, 1876 |
| Castalius mindarus Felder & Felder, 1865 | |
| Catochrysops plebeia Butler, 1898 | |
| Catopyrops florinda estrella Waterhouse &..., 1914 | Speckled Line Blue |
| Catopyrops florinda halys Waterhouse, 1934 | Speckled Lineblue |
| Celastrina argiolus Linnaeus, 1758 | Atlantic azure |
| Celastrina argiolus cinerea Edwards, 1883 | |
| Celastrina argiolus echo W.H. Edwards, 1864 | |
| Celastrina argiolus ladon (Ménétriés..., 1857) | ⇒ Celastrina argiolus echo W.H. Edwards, 1864 |
| Celastrina argiolus pseudargiolus (Boisduval & ..., 1835) | ⇒ Celastrina argiolus cinerea Edwards, 1883 |
| Celastrina argiolus radon Cramer, 1780 | Spring azure |
| Celastrina ebenina (Clench, 1972) | ⇒ Celastrina nigra Forbes, 1960 |
| Celastrina echo (Edwards, 1864) | ⇒ Celastrina argiolus Linnaeus, 1758 |
| Celastrina echo cinerea W. H. Edwards, 1883 | Arizona Echo Azure |
| Celastrina echo echo W. H. Edwards, 1864 | Pacific Azure |
| Celastrina echo sidara Clench, 1944 | Front Range Echo Azure |
| Celastrina huegeli Moore, 1882 | Large Hedge Blue |
| Celastrina humulus Scott & Wright, 1998 | Hops Azure |
| Celastrina idella Dav.M. Wrigh..., 1999 | American Holly Azure |
| Celastrina ladon (Cramer, 1780) | ⇒ Celastrina argiolus Linnaeus, 1758 |
| Celastrina ladon echo Edwards, 1864 | Spring azure |
| Celastrina ladon sidara Clench, 1944 | |
| Celastrina lucia (Kirby, 1837) | ⇒ Celastrina argiolus Linnaeus, 1758 |
| Celastrina lucia lucia W. Kirby, 1837 | Lucia Azure |
| Celastrina lucia lumarco Scott, 2006 | Colorado Northern Azure |
| Celastrina neglecta W.H. Edwards, 1862 | Summer Azure |
| Celastrina neglectamajor (Opler & Krizek, 1984) | ⇒ Celastrina argiolus Linnaeus, 1758 |
| Celastrina nigra Forbes, 1960 | Dusky Azure |
| Celastrina pseudargiolus (Boisduval, 1833) | ⇒ Celastrina argiolus Linnaeus, 1758 |
| Celastrina serotina Pavulaan & W..., 2005 | Cherry Gall Azure |
| Chilades parrhasius parrhasius | |
| Cupido (Cupido) minimus Fuessly, 1775 | Little Blue |
| Cupido (Everes) alcetas Hoffmannsegg, 1804 | Provençal Short-tailed Blue |
| Cupido (Everes) amyntula Boisduval, 1852 | Western tailed blue |
| Cupido amyntula albrighti Clench, 1944 | Albright´s Tailed-Blue |
| Cupido amyntula amyntula Boisduval, 1852 | Western Tailed-Blue |
| Cupido amyntula herri F. Grinnell, 1901 | Western Tailed-Blue |
| Cupido amyntula herrii F. Grinnell, 1901 | Western Tailed-Blue |
| Cupido amyntula montanorum Austin, 1998 | Western Tailed-Blue |
| Cupido amyntula nesiotes J. Emmel & T..., 1998 | Western Tailed-Blue |
| Cupido amyntula valeriae Clench, 1944 | Western Tailed-Blue |
| Cupido (Everes) argiades Pallas, 1771 | Short-tailed Blue |
| Cupido (Everes) comyntas Godart, 1824 | Eastern Tail-blue |
| Cupido comyntas albrighti (H.K. Clench, 1944) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido comyntas comyntas Godart, 1824 | Eastern Tailed-Blue |
| Cupido comyntas herrii (tr.f. arizon..., 1927) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido comyntas sissona W. G. Wright, 1905 | Eastern Tailed-Blue |
| Cupido comyntas texana F. Chermock, 1945 | Eastern Tailed-Blue |
| Cupido comyntas valeriae (H.K. Clench, 1944) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido agriades | |
| Cupido damaeus Godart, 1823 | |
| Cupido dodgei (J.D. Gunder, 1927) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido fuliginosa | |
| Cupido herrii (F. Grinnell, 1901) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido hypopolia | |
| Cupido immaculata (J.A. Scott, 1981) | ⇒ Cupido amyntula Boisduval, 1852 |
| Cupido meinersi (W.D. Field, 1938) | ⇒ Cupido comyntas Godart, 1824 |
| Cupido nestos Boisduval, 1869 | |
| Cupido pheres Boisduval, 1852 | |
| Cupido phileros Boisduval, 1869 | |
| Cupido podarce (Felder & Felder, 1865) | ⇒ Alaena exotica Collins & La..., 2005 |
| Cupido sissona (W.G. Wright, 1905) | ⇒ Cupido comyntas Godart, 1824 |
| Cupido texana (F.H. Chermock, 1945) | ⇒ Cupido comyntas Godart, 1824 |
| Cupido watermani (K. Nakahara, 1926) | ⇒ Cupido comyntas Godart, 1824 |
| Cupidopsis cissus Godart, 1824 | Common Meadow Blue |
| Cupidopsis cissus catharina Trimen, 1862 | |
| Cyaniris neglecta Edwards, 1862 | |
| Cyaniris semiargus (Rottemburg, 1775) | ⇒ Polyommatus semiargus Rottemburg, 1775 |
| Cyclargus ammon Lucas, 1857 | Blue Butterfly |
| Cyclargus ammon bethunebakeri Comstock & H..., 1946 | |
| Cyclargus thomasi Clench, 1941 | Miami Blue |
| Cyclargus thomasi bethunebakeri W. Comstock ..., 1943 | Miami Blue |
| Danis danis thinophilus Toxopeus, 1930 | |
| Danis suleima Grose-Smith, 1898 | |
| Echinargus alce Edwards, 1871 | |
| Echinargus isola (Reakirt, 1867) | ⇒ Habrodais poodiae J.W. Brown &..., 1982 |
| Elkalyce amyntula Boisduval, 1852 | |
| Elkalyce comyntas Godart, 1823 | |
| Erysichton lineatus lineatus Murray, 1874 | Hairy Line-blue |
| Euchrysops cnejus Fabricius, 1798 | Bean blue |
| Euchrysops malathana Boisduval, 1833 | Common smoky blue |
| Euphilotes ancilla (Barnes & McD..., 1918) | ⇒ Euphilotes enoptes Boisduval, 1852 |
| Euphilotes ancilla ancilla W. Barnes & ..., 1918 | Ancilla Blue |
| Euphilotes ancilla barnesi Opler & M. F..., 2009 | Ancilla Blue |
| Euphilotes ancilla cryptica Austin & Boyd, 2008 | |
| Euphilotes ancilla gilvatunica Austin, 1998 | Ancilla Blue |
| Euphilotes ancilla giulianii Pratt & J. E..., 1998 | |
| Euphilotes ancilla pseudointermedia Pratt & J. E..., 1998 | Ancilla Blue |
| Euphilotes ancilla purpura Austin, 1998 | Ancilla Blue |
| Euphilotes ancilla shieldsi Austin, 1998 | Ancilla Blue |
| Euphilotes battoides Behr, 1867 | 'Bernardino' Square-spotted Blue |
| Euphilotes battoides allyni Shields, 1975 | 'El Segundo' Square-Spotted Blue |
| Euphilotes battoides anasazi Scott, 1998 | Square-spotted Blue |
| Euphilotes battoides argocyanea Pratt & J. E..., 1998 | Square-spotted Blue |
| Euphilotes battoides battoides Behr, 1867 | Square-spotted Blue |
| Euphilotes battoides bernardino W. Barnes & ..., 1916 | 'Bernardino' Square-Spotted Blue |
| Euphilotes battoides fusimaculata Austin, 1998 | Square-spotted Blue |
| Euphilotes battoides mazourka Pratt & J. E..., 1998 | Square-spotted Blue |
| Euphilotes battoides oregonensis Barnes & McD..., 1917 | |
| Euphilotes battoides panamintensis Pratt & J. E..., 1998 | Square-spotted Blue |
| Euphilotes battoides vernalis Pratt & J. E..., 1998 | Square-spotted Blue |
| Euphilotes baueri (Shields, 1975) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes baueri baueri Shields, 1975 | Bauer´s Blue |
| Euphilotes baueri orientis Austin, 1998 | Bauer´s Blue |
| Euphilotes bernardino Barnes & McD..., 1916 | Bernardino Blue |
| Euphilotes bernardino battoides (bernardino b..., 1925) | ⇒ Euphilotes bernardino bernardino W. Barnes & ..., 1916 |
| Euphilotes bernardino bernardino W. Barnes & ..., 1916 | Bernardino Blue |
| Euphilotes bernardino inyomontana Pratt & J. E..., 1998 | Bernardino Blue |
| Euphilotes bernardino martini Mattoni, 1954 | Bernardino dotted-blue |
| Euphilotes bernardino minuta Austin, 1998 | Baking Powder Flat Blue |
| Euphilotes centralis (W. Barnes an..., 1917) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes centralis centralis W. Barnes & ..., 1917 | Central Blue |
| Euphilotes centralis hadrochilus Pratt & J. E..., 1998 | Central Blue |
| Euphilotes columbiae (Mattoni, 1954) | ⇒ Euphilotes enoptes Boisduval, 1852 |
| Euphilotes columbiae columbiae Mattoni, 1954 | Columbian Blue |
| Euphilotes ellisi (Shields, 1975) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes ellisii (Shields, 1975) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes ellisii avawatz Pratt & J. E..., 1998 | Ellis´ Blue |
| Euphilotes ellisii basinensis Austin, 1998 | Ellis´ Blue |
| Euphilotes ellisii ellisii Shields, 1975 | Ellis´ Blue |
| Euphilotes ellisii euromojavensis Pratt & J. E..., 1998 | Ellis´ Blue |
| Euphilotes enoptes Boisduval, 1852 | 'Dammer's ' Dotted Blue |
| Euphilotes enoptes ancilla Barnes & McD..., 1918 | Ancilla Dotted Blue |
| Euphilotes enoptes arenacola Pratt & J. E..., 1998 | Sand Dune Dotted Blue |
| Euphilotes enoptes aridorum Austin, 1998 | Dotted Blue |
| Euphilotes enoptes bayensis Langston, 1964 | Dotted Blue |
| Euphilotes enoptes cryptorufes Pratt & J. E..., 1998 | Cryptorufes Dotted Blue |
| Euphilotes enoptes dammersi J. A. Comsto..., 1933 | 'Dammer'S ' Dotted Blue |
| Euphilotes enoptes enoptes Boisduval, 1852 | Dotted Blue |
| Euphilotes enoptes langstoni Shields, 1975 | Langston´s Dotted Blue |
| Euphilotes enoptes mojave F. Watson & ..., 1920 | 'Mojave' Dotted Blue |
| Euphilotes enoptes opacapulla Austin, 1998 | Dotted Blue |
| Euphilotes enoptes primavera Austin, 1998 | Dotted Blue |
| Euphilotes enoptes smithi Mattoni, 1955 | Smith blue |
| Euphilotes enoptes tildeni Langston, 1964 | Tilden´s Dotted Blue |
| Euphilotes glaucon (Behr, 1867) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes glaucon australoglaucon Pratt & J. E..., 1998 | Glaucon Blue |
| Euphilotes glaucon comstocki Shields, 1975 | Comstock'S Blue |
| Euphilotes glaucon glaucon W. H. Edwards, 1871 | Glaucon Blue |
| Euphilotes glaucon intermedia W. Barnes & ..., 1917 | Glaucon Blue |
| Euphilotes glaucon oregonensis W. Barnes & ..., 1917 | Glaucon Blue |
| Euphilotes intermedia (Barnes & McD..., 1917) | ⇒ Euphilotes battoides Behr, 1867 |
| Euphilotes mojave (Watson & Com..., 1920) | ⇒ Euphilotes enoptes Boisduval, 1852 |
| Euphilotes mojave mojave F. Watson & ..., 1920 | Mojave Blue |
| Euphilotes mojave virginensis Austin, 1998 | Mojave Blue |
| Euphilotes pallescens (Tilden & Downey, 1955) | ⇒ Euphilotes rita W. Barnes & ..., 1916 |
| Euphilotes pallescens arenamontana Austin, 1998 | Pallid Blue |
| Euphilotes pallescens calneva J. Emmel & T..., 1998 | Honey Lake Blue |
| Euphilotes pallescens confusa Pratt & J. E..., 1998 | Pallid Blue |
| Euphilotes pallescens elvirae Mattoni, 1966 | Pallid Blue |
| Euphilotes pallescens emmeli Shields, 1975 | Pallid Blue |
| Euphilotes pallescens mattonii Shields, 1975 | Mattoni'S Blue |
| Euphilotes pallescens pallescens Tilden & Downey, 1955 | Pallid Blue |
| Euphilotes pallescens ricei Austin, 1998 | Pallid Blue |
| Euphilotes rita W. Barnes & ..., 1916 | 'Pale' Rita Blue |
| Euphilotes rita coloradensis Mattoni, 1966 | Rita’s Blue |
| Euphilotes rita pallescens Tilden & Downey, 1955 | 'Pale' Rita Blue |
| Euphilotes rita rita W. Barnes & ..., 1916 | Ritas Blue |
| Euphilotes spaldingi Barnes & McD..., 1917 | Colorado-Plateau Blue |
| Euphilotes spaldingi pinjuna Scott, 1981 | Spalding´s Blue |
| Euphilotes spaldingi spaldingi W. Barnes & ..., 1917 | Spalding´s Blue |
| Euphilotes stanfordorum Opler & A. W..., 2009 | Stanfords´ Blue |
| Eupsychellus staphylus Fruhstorfer, 1919 | |
| Everes agriades | |
| Everes amputala | |
| Everes amputula | |
| Everes amyntula (Boisduval, 1852) | ⇒ Cupido amyntula Boisduval, 1852 |
| Everes argiades (Pallas, 1771) | ⇒ Cupido argiades Pallas, 1771 |
| Everes comyntas (Godart, 1824) | ⇒ Cupido comyntas Godart, 1824 |
| Glaucopsyche (Glaucopsyche) melanops Boisduval, 1828 | Black-eyed Blue |
| Glaucopsyche melanops fascista Turati, 1928 | |
| Glaucopsyche lygdamus Doubleday, 1842 | Behr Blue |
| Glaucopsyche lygdamus arizonensis McDunnough, 1936 | Arizona Silvery Blue |
| Glaucopsyche lygdamus australis F. Grinnell, 1917 | Silvery Blue |
| Glaucopsyche lygdamus behri (australis F...., 1917) | ⇒ Glaucopsyche lygdamus orcus W. H. Edwards, 1869 |
| Glaucopsyche lygdamus colombia Skinner, 1917 | Northwestern silvery blue |
| Glaucopsyche lygdamus columbia Skinner, 1917 | Columbia Blue |
| Glaucopsyche lygdamus couperi Grote, 1873 | Couper'S Blue |
| Glaucopsyche lygdamus deserticola Austin & J. ..., 1998 | Mojave Silvery Blue |
| Glaucopsyche lygdamus erico R. Holland, 2011 | |
| Glaucopsyche lygdamus incognitus Tilden, 1974 | Silvery Blue |
| Glaucopsyche lygdamus jacki D. Stallings..., 1947 | Silvery Blue |
| Glaucopsyche lygdamus leussleri Gunder, 1927 | |
| Glaucopsyche lygdamus lygdamus (E. Doubleday, 1841) | ⇒ Glaucopsyche lygdamus orcus W. H. Edwards, 1869 |
| Glaucopsyche lygdamus minipunctum Austin, 1998 | Mini-Spotted Silvery Blue |
| Glaucopsyche lygdamus nittanyensis F. Chermock, 1945 | Appalachian Silvery Blue |
| Glaucopsyche lygdamus orcus W. H. Edwards, 1869 | Silvery Blue |
| Glaucopsyche lygdamus oro Scudder, 1876 | Silvery Blue |
| Glaucopsyche lygdamus palosverdesensis E. Perkins &..., 1977 | Palos Verde Blue |
| Glaucopsyche lygdamus pseudoxerces J. Emmel & T..., 1998 | Silvery Blue |
| Glaucopsyche lygdamus ruidoso R. Holland, 2011 | |
| Glaucopsyche lygdamus sabulosa J. Emmel, T...., 1998 | Silvery Blue |
| Glaucopsyche lygdamus xerces Boisduval, 1852 | Silvery Blue |
| Glaucopsyche lygdarmus | |
| Glaucopsyche piasus Boisduval, 1852 | Arrowhead Blue |
| Glaucopsyche piasus catalina (T. Reakirt, 1866) | ⇒ Glaucopsyche piasus sagittigera C. Felder & ..., 1865 |
| Glaucopsyche piasus daunia W. H. Edwards, 1871 | Arrowhead Blue |
| Glaucopsyche piasus excubita J. Emmel, T...., 1998 | Arrowhead Blue |
| Glaucopsyche piasus gabrielina J. Emmel, T...., 1998 | Arrowhead Blue |
| Glaucopsyche piasus lorquini (H.H. Behr, 1867) | ⇒ Glaucopsyche piasus sagittigera C. Felder & ..., 1865 |
| Glaucopsyche piasus nevada F. Brown, 1975 | Arrowhead Blue |
| Glaucopsyche piasus piasus (Boisduval, 1852) | ⇒ Glaucopsyche piasus sagittigera C. Felder & ..., 1865 |
| Glaucopsyche piasus rhaea (J.B.A.D. Boi..., 1869) | ⇒ Glaucopsyche piasus sagittigera C. Felder & ..., 1865 |
| Glaucopsyche piasus sagittigera C. Felder & ..., 1865 | Arrowhead Blue |
| Glaucopsyche piasus toxeuma F. Brown, 1971 | Arrowhead Blue |
| Glaucopsyche piasus umbrosa J. Emmel, T...., 1998 | Arrowhead Blue |
| Glaucopsyche sagittifera | |
| Glaucopsyche xerces ♰ (Boisduval, 1852) | ⇒ Glaucopsyche lygdamus Doubleday, 1842 |
| Hemiargus (Hemiargus) hanno Stoll, 1790 | Common Blue |
| Hemiargus hanno astragala (W.G. Wright, 1905) | ⇒ Hemiargus hanno gyas W.H. Edwards, 1871 |
| Hemiargus hanno florencia (V.L. Clémence, 1914) | ⇒ Hemiargus hanno gyas W.H. Edwards, 1871 |
| Hemiargus hanno gyas W.H. Edwards, 1871 | |
| Hemiargus hanno pseudoptiletes J.B.A.D. Boi..., 1835 | |
| Hemiargus antibubastus (Fabricius, 1793) | ⇒ Hemiargus ceraunus antibubastus Hübner, 1818 |
| Hemiargus ceraunus Fabricius, 1793 | Antillean Blue |
| Hemiargus ceraunus antibubastus Hübner, 1818 | Ceraunus Blue |
| Hemiargus ceraunus astenidas Lucas, 1857 | Ceraunus Blue |
| Hemiargus ceraunus gyas Edwards, 1871 | Ceraunus Blue |
| Hemiargus isola Reakirt, 1866 | Alce Blue |
| Hemiargus isola alce Edwards, 1871 | Blackspotted solitary blue |
| Hemiargus zachaeina (Butler, 1874) | ⇒ Hemiargus ceraunus Fabricius, 1793 |
| Icaricia acmon (Westwood, 1851) | ⇒ Plebejus acmon Westwood, 1851 |
| Icaricia cotundra Scott & M. F..., 2006 | Cotundra Blue |
| Icaricia icarioides Boisduval, 1852 | Boisduval's blue |
| Icaricia icarioides albihalos J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides argusmontana J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides atascadero J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides austinorum J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides buchholzi dos Passos, 1938 | Boisduval´s Blue |
| Icaricia icarioides eosierra J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides evius Boisduval, 1869 | Boisduval´s blue |
| Icaricia icarioides fenderi Macy, 1931 | Boisduval´s Blue |
| Icaricia icarioides fulla W. H. Edwards, 1870 | Boisduval´s Blue |
| Icaricia icarioides helios W. H. Edwards, 1871 | Boisduval´s Blue |
| Icaricia icarioides icarioides Boisduval, 1852 | Boisduval´s Blue |
| Icaricia icarioides inyo J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides lycea W. H. Edwards, 1864 | Boisduval´s Blue |
| Icaricia icarioides missionensis Hovanitz, 1937 | Boisduval´s Blue |
| Icaricia icarioides moroensis Sternitzky, 1930 | Boisduval´s Blue |
| Icaricia icarioides nigrafem R. Holland, 2011 | |
| Icaricia icarioides panamintina J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides parapheres J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icarioides pardalis Behr, 1867 | Boisduval´s Blue |
| Icaricia icarioides pembina W. H. Edwards, 1862 | Boisduval´s Blue |
| Icaricia icarioides pheres Boisduval, 1852 | Boisduval´s Blue |
| Icaricia icarioides sacre R. Holland, 2011 | |
| Icaricia icarioides santana J. Emmel, T...., 1998 | Boisduval´s Blue |
| Icaricia icaroides | |
| Icaricia lupini (Goodpasture, 1973) | ⇒ Aricia lupini Boisduval, 1869 |
| Icaricia lupini alpicola J. Emmel, T...., 1998 | Lupine Blue |
| Icaricia lupini argentata J. Emmel, T...., 1998 | Lupine Blue |
| Icaricia lupini chlorina Skinner, 1902 | Chlorina Blue |
| Icaricia lupini dedeckera J. Emmel, T...., 1998 | Lupine Blue |
| Icaricia lupini goodpasturei Austin, 1998 | Lupine Blue |
| Icaricia lupini lupini Boisduval, 1869 | Lupine Blue |
| Icaricia lupini lutzi dos Passos, 1938 | Lupine Blue |
| Icaricia lupini monticola Clémence, 1909 | Monticola Blue |
| Icaricia lupini spangelatus Burdick, 1942 | Lupine Blue |
| Icaricia lupini texanus Goodpasture, 1973 | Lupine Blue |
| Icaricia monticola | |
| Icaricia neurona Skinner, 1902 | Veined Blue |
| Icaricia saepiolus W. H. Edwards, 1863 | Greenish blue |
| Icaricia saepiolus aehaja Behr, 1867 | Greenish Blue |
| Icaricia saepiolus albomontanus Austin & J. ..., 1998 | Greenish Blue |
| Icaricia saepiolus aureolus J. Emmel, T...., 1998 | Greenish Blue |
| Icaricia saepiolus gertschi dos Passos, 1938 | Greenish Blue |
| Icaricia saepiolus hilda J. Grinnell ..., 1907 | Greenish Blue |
| Icaricia saepiolus littoralis J. Emmel, T...., 1998 | Greenish Blue |
| Icaricia saepiolus maculosus Austin, 1998 | Greenish Blue |
| Icaricia saepiolus rufescens Boisduval, 1869 | Greenish Blue |
| Icaricia saepiolus saepiolus Boisduval, 1852 | Greenish Blue |
| Icaricia saepiolus whitmeri F. Brown, 1951 | Greenish Blue |
| Icaricia shasta (Edwards, 1862) | ⇒ Aricia shasta W.H. Edwards, 1862 |
| Icaricia shasta calchas Behr, 1867 | Shasta Blue |
| Icaricia shasta charlestonensis Austin, 1980 | Shasta Blue |
| Icaricia shasta minnehaha Scudder, 1874 | Shasta Blue |
| Icaricia shasta pallidissima Austin, 1998 | Shasta Blue |
| Icaricia shasta pitkinensis Ferris, 1976 | Shasta Blue |
| Icaricia shasta shasta W. H. Edwards, 1862 | Shasta Blue |
| Iolana iolas Ochsenheimer, 1816 | Iolas Blue |
| Jamides bochus astraptes Felder, 1861 | |
| Jamides carissima susana d´Abrera, 1971 | |
| Jamides cyta cyta | |
| Jamides cyta zelia Fruhstorfer, 1916 | |
| Jamides phaseli Mathew, 1889 | Bean flower caterpillar |
| Lampides aegithus Fruhstorfer, 1916 | |
| Lampides boeticus Linnaeus, 1767 | Bean butterfly |
| Lampides callistus neaethus Fruhstorfer, 1916 | |
| Lampides celianus | |
| Lepidochrysops dukei Cottrell, 1965 | Duke's Blue |
| Lepidochrysops ortygia Trimen, 1887 | Koppie Blue |
| Lepidochrysops patricia Trimen, 1887 | Patricia Blue |
| Leptotes burdicki (Reakirt, 1868) | ⇒ Leptotes marina Reakirt, 1868 |
| Leptotes callanga Dyar, 1913 | |
| Leptotes cassius Cramer, 1775 | Cassius Blue |
| Leptotes cassius cassidula Boisduval, 1870 | Cassius Blue |
| Leptotes cassius cassius (Cramer, 1775) | ⇒ Leptotes cassius theonus Lucas, 1857 |
| Leptotes cassius striata (W.H. Edwards, 1877) | ⇒ Leptotes cassius cassidula Boisduval, 1870 |
| Leptotes cassius theonus Lucas, 1857 | Cassius Blue |
| Leptotes marina Reakirt, 1868 | Marine Blue |
| Leptotes perkinsae Kaye, 1931 | Perkins´ Blue |
| Leptotes pirithous Linnaeus, 1767 | Common Zebra Blue |
| Leptotes plinius pseudocassius Murray, 1873 | Plumbago Blue |
| Leptotes reakirti (Field, 1936) | ⇒ Leptotes marina Reakirt, 1868 |
| Leptotes theonus Lucas, 1856 | |
| Leptotes violacea (Gunder, 1925) | ⇒ Leptotes marina Reakirt, 1868 |
| Lysandra bellargus (Rottemburg, 1775) | ⇒ Polyommatus bellargus Rottemburg, 1775 |
| Lysandra bellargus tiphys Esper, 1778 | |
| Lysandra coridon (Poda, 1761) | ⇒ Polyommatus coridon Poda, 1761 |
| Lysandra syngrapha Keferstein, 1851 | |
| Nacaduba berenice berenice Herrich-Schä..., 1869 | Six Line Blue |
| Nacaduba beroe neon Fruhstorfer, 1916 | Opaque Six Line Blue |
| Nacaduba biocellata C. Felder & ..., 1865 | Double Spotted Lineblue |
| Nacaduba mallicollo H. H. Druce, 1892 | |
| Neolucia hobartensis Miskin, 1890 | Montane Heath-blue |
| Phaedrotes piasus Boisduval, 1852 | |
| Phengaris alcon (Denis & Schi..., 1775) | ⇒ Maculinea alcon Denis & Schi..., 1775 |
| Phengaris arion (Linnaeus, 1758) | ⇒ Maculinea arion Linnaeus, 1758 |
| Phengaris nausithous (Bergsträsser, 1779) | ⇒ Maculinea nausithous Bergsträsser, 1779 |
| Philotes battoides | |
| Philotes comstocki (Gunder, 1925) | ⇒ Philotes sonorensis C. Felder & ..., 1865 |
| Philotes nivium Boisduval, 1869 | |
| Philotes pallescens (Tilden & Downey, 1955) | ⇒ Euphilotes rita W. Barnes & ..., 1916 |
| Philotes regia (Boisduval, 1869) | ⇒ Philotes sonorensis C. Felder & ..., 1865 |
| Philotes sonoralba (Watson & Com..., 1920) | ⇒ Philotes sonorensis C. Felder & ..., 1865 |
| Philotes sonorensis C. Felder & ..., 1865 | Sonoran Blue |
| Philotes sonorensis extinctis Mattoni, 1991 | Sonoran Blue |
| Philotes sonorensis sonorensis C. Felder & ..., 1865 | Sonoran Blue |
| Philotiella leona Hammond & Mc..., 2000 | Leona Blue |
| Philotiella speciosa H. Edwards, 1877 | Pumice Dotted-Blue |
| Philotiella speciosa bohartorum Tilden, 1969 | Small Blue |
| Philotiella speciosa purisima Priestaf & J..., 1998 | Lompoc Blue |
| Philotiella speciosa septentrionalis Austin, 1998 | Great Basin Small Blue |
| Philotiella speciosa speciosa H. Edwards, 1877 | Small Blue |
| Plebeius icarioides | |
| Plebeius idas argulus Frey, 1856 | |
| Plebeius lupini Boisduval, 1869 | Lupine Blue |
| Plebeius saepiolus | |
| Plebeius shasta | |
| Plebejus (Agriades) aquilo Boisduval, 1832 | Arctic Blue |
| Plebejus (Agriades) franklinii Curtis, 1835 | |
| Plebejus (Agriades) glandon de Prunner, 1798 | Arctic Blue |
| Plebejus glandon rusticus WH Edwards, 1865 | Rocky Mountain Arctic Blue |
| Plebejus (Agriades) podarce (C. & R. Felder, 1865) | ⇒ Plebejus rustica Edwards, 1865 |
| Plebejus podarce klamathensis J. Emmel & T..., 1998 | |
| Plebejus (Agriades) rustica Edwards, 1865 | |
| Plebejus (Albulina) optilete Knoch, 1781 | Cranberry Blue |
| Plebejus (Icaricia) acmon Westwood, 1851 | Acmon Blue |
| Plebejus acmon lutzi dos Passos, 1938 | Rockymountain silverstudded blue |
| Plebejus (Icaricia) icarioides (Boisduval, 1852) | ⇒ Icaricia icarioides Boisduval, 1852 |
| Plebejus icarioides albihalos J. Emmel, T...., 1998 | |
| Plebejus icarioides ardea WH Edwards, 1871 | Boisduval´s blue |
| Plebejus icarioides austinorum J. Emmel, T...., 1998 | |
| Plebejus icarioides fenderi Macy, 1931 | |
| Plebejus icarioides icarioides Boisduval, 1852 | |
| Plebejus icarioides lycea W. H. Edwards, 1864 | |
| Plebejus icarioides missionensis Hovanitz, 1937 | 'Mission' Boisduval's Blue |
| Plebejus icarioides moroensis Sternitzky, 1930 | |
| Plebejus icarioides parapheres J. Emmel, T...., 1998 | Point Reyes Blue |
| Plebejus icarioides pembina W.H. Edwards, 1862 | Icarioides Blue |
| Plebejus icarioides pheres Boisduval, 1852 | |
| Plebejus (Icaricia) lupini (Boisduval, 1869) | ⇒ Aricia lupini Boisduval, 1869 |
| Plebejus lupini lutzi Passos, 1938 | Lupine blue |
| Plebejus (Icaricia) neurona Skinner, 1902 | Transvestite Blue |
| Plebejus (Icaricia) shasta (Edwards, 1862) | ⇒ Aricia shasta W.H. Edwards, 1862 |
| Plebejus shasta charlestonensis Austin, 1980 | |
| Plebejus shasta minnehaha Scudder, 1874 | Minnehaha Blue |
| Plebejus (Lycaeides) anna (Edwards, 1861) | ⇒ Plebejus idas Linnaeus, 1761 |
| Plebejus anna anna W. H. Edwards, 1861 | Anna´s Blue |
| Plebejus anna azureus J. Emmel, T...., 1998 | Anna´s Blue |
| Plebejus anna benwarner Scott, 2006 | Anna´s Blue |
| Plebejus anna lotis Lintner, 1878 | Anna´s Blue |
| Plebejus anna ricei Cross, 1937 | Anna´s Blue |
| Plebejus (Lycaeides) argyrognomon Bergsträsser, 1779 | Northern Blue |
| Plebejus (Lycaeides) fridayi (F. Chermock, 1945) | ⇒ Plebejus melissa Edwards, 1873 |
| Plebejus fridayi fridayi F. Chermock, 1945 | Friday´s Blue |
| Plebejus (Lycaeides) idas Linnaeus, 1761 | |
| Plebejus idas annette WH Edwards, 1882 | Wasatch northern blue |
| Plebejus (Lycaeides) melissa Edwards, 1873 | Common bordered blue |
| Plebejus melissa alateres Austin, 1998 | Melissa Blue |
| Plebejus melissa annetta W. H. Edwards, 1882 | Melissa Blue |
| Plebejus melissa inyoensis Nabokov, 1949 | Melissa Blue |
| Plebejus melissa melissa W. H. Edwards, 1873 | Melissa Blue |
| Plebejus melissa paradoxa F. Chermock, 1945 | Melissa Blue |
| Plebejus melissa pseudosamuelis Nabokov, 1949 | Melissa Blue |
| Plebejus melissa samuelis Nabokov, 1944 | Karner Blue |
| Plebejus (Plebejides) patriarcha Bálint, 1992 | |
| Plebejus (Plebejus) argus Linnaeus, 1758 | Silver-studded Blue |
| Plebejus argus micrargus Butler, 1878 | |
| Plebejus (Plebejus) argyrognomon Bergsträsser, 1779 | Northern blue |
| Plebejus (Plebejus) idas (Linnaeus, 1761) | ⇒ Plebejus idas Linnaeus, 1761 |
| Plebejus idas alaskensis F.Chermock, 1945 | Northern Blue |
| Plebejus idas atrapraetextus W.D.Field, 1939 | Dark-edged Blue |
| Plebejus idas empetri T.Freeman, 1938 | Crowberry Blue |
| Plebejus idas longinus Nabokov, 1949 | Northern Blue |
| Plebejus idas nabokovi Masters, 1972 | Nabokov'S Blue |
| Plebejus idas sublivens Nabokov, 1949 | Northern Blue |
| Plebejus (Plebejus) saepiolus (Boisduval, 1852) | ⇒ Lycaena clarki Dickson, 1971 |
| Plebejus saepiolus albomontanus Austin & J. ..., 1998 | |
| Plebejus saepiolus amica W.H. Edwards, 1863 | Greenish Blue |
| Plebejus saepiolus aureolus J. Emmel, T...., 1998 | |
| Plebejus saepiolus gertschi dos Passos, 1938 | Greenish blue |
| Plebejus saepiolus leussleri Gunder, 1927 | |
| Plebejus saepiolus littoralis J. Emmel, T...., 1998 | |
| Plebejus saepiolus saepiolus Boisduval, 1852 | Greenish blue |
| Plebejus saepiolus whitmeri Brown, 1951 | |
| Plebejus (Plebijides) hesperica Rambur, 1839 | |
| Plebejus (Plebijides) pylaon (Fischer von ..., 1832) | ⇒ Kretania pylaon Rambur, 1839 |
| Plebejus (Plebulina) emigdionis Grinnell, 1905 | Emigdio Blue |
| Plebejus (Vacciniina) optilete (Knoch, 1781) | ⇒ Plebejus optilete Knoch, 1781 |
| Plebejus acmoin lutzi Dos Passos, 1938 | |
| Plebejus aegus (Chapman, 1917) | ⇒ Plebejus argyrognomon Bergsträsser, 1779 |
| Plebejus armon | |
| Plebejus atrapraetextus Field, 1939 | |
| Plebejus callinicus Röber, 1886 | |
| Plebejus cassiope | ⇒ Agriades cassiope Emmel & Emmel, 1998 |
| Plebejus maricopa Reakirt, 1866 | |
| Plebejus pheres | |
| Plebejus samuelis Nabokov, 1944 | Karner Blue |
| Plebejus scudderii Edwards, 1861 | |
| Plebejus veris Verity, 1924 | |
| Plebulina emigdionis (Grinnell, 1905) | ⇒ Plebejus emigdionis Grinnell, 1905 |
| Polyommatus (Agrodiaetus) carmon Herrich-Schä..., 1851 | |
| Polyommatus dama damalis Riley, 1921 | |
| Polyommatus (Agrodiaetus) damon Denis & Schi..., 1775 | Damon Blue |
| Polyommatus (Lysandra) bellargus Rottemburg, 1775 | Adonis Blue |
| Polyommatus (Lysandra) coridon Poda, 1761 | Chalk Hill Blue |
| Polyommatus (Polyomatus) eroides Frivaldszky, 1835 | False Eros Blue |
| Polyommatus (Polyommatus) amandus Schneider, 1792 | Adonis Blue |
| Polyommatus (Polyommatus) dorylas Denis & Schi..., 1775 | Albarracin Chalk-hill Blue |
| Polyommatus (Polyommatus) eros Ochsenheimer, 1808 | Common Meadow Blue |
| Polyommatus eros eros (Ochsenheimer, 1808) | ⇒ Polyommatus eros Ochsenheimer, 1808 |
| Polyommatus (Polyommatus) escheri Hübner, 1823 | Chalk-Hill Blue |
| Polyommatus (Polyommatus) icarus Rottemburg, 1775 | Common Blue |
| Polyommatus icarus celina (Austaut, 1889) | ⇒ Polyommatus celina Austaut, 1879 |
| Polyommatus icarus icarus (Rottemburg, 1775) | ⇒ Polyommatus icarus Rottemburg, 1775 |
| Polyommatus icarus lacon Jermyns, 1825 | |
| Polyommatus aquilo Boisduval, 1832 | |
| Polyommatus athis athis FREYER, 1851 | |
| Polyommatus baeticus Linnaeus, 1767 | |
| Polyommatus hypophlaeus | |
| Polyommatus kasmira Moore, 1865 | |
| Polyommatus sartoides Swinhoe, 1910 | |
| Polyommatus soepiolus Boisduval, 0 | |
| Polyommatus thoe Gray, 1832 | |
| Prosotas felderi (Murray, 1874) | ⇒ Nacaduba cajetani Tite, 1963 |
| Prosotas nora auletes Waterhouse &..., 1914 | Long-tailed Line-blue |
| Prosotas talesa Tite, 1963 | |
| Prosotas tatesia | |
| Pseudophilotes panoptes Hübner, 1813 | Panoptes Blue |
| Pseudozizeeria maha argia Ménétriés, 1857 | |
| Psychonotis caelius C. Felder & ..., 1860 | Small Green Banded Blue |
| Sahulana scintillata Lucas, 1899 | Glistening Blue |
| Scolitantides orion battus Denis & Schi..., 1775 | |
| Theclinesthes miskini miskini Lucas, 1889 | Wattle Blue |
| Theclinesthes onycha onycha (Hewitson, 1865) | ⇒ Theclinesthes albocincta Waterhouse, 1903 |
| Tuxentius caraena Hewitson, , 1876 | |
| Udara (Vaga) blackburni (Tuely, 1878) | ⇒ Vaga blackburni Tuely, 1878 |
| Udara blackburnii Tuely, 1878 | Green Hawaiian Blue |
| Zizeeria knysna Trimen, 1862 | African Grass Blue |
| Zizeeria otis Fabricius, 1787 | Lesser Grass Blue |
| Zizina otis Fabricius, 1787 | Bean Blue |
| Zizina otis labradus Godart, 1824 | Common blue |
| Zizula cyna Edwards, 1881 | Cyna Blue |
| Zizula hylax hylax Fabricius, 1775 | Tiny Grass Blue |
| Zizula mela (F.H.H. Strecker, 1900) | ⇒ Zizula cyna Edwards, 1881 |
