| Agonopterix alstroemeriana (Clerck, 1759) | ⇒ Agonopterix alstromeriana Clerck, 1759 |
| Agonopterix alstromeriana Clerck, 1759 | Brown-spot Flat-body |
| Agonopterix angelicella Hübner, 1813 | Angelica Flat-body |
| Agonopterix applana (Fabricius, 1777) | ⇒ Agonopterix heracliana Linnaeus, 1758 |
| Agonopterix arenella Denis & Schi..., 1775 | Brindled Flat-body |
| Agonopterix assimilella Treitschke, 1832 | Dusted Flat-body |
| Agonopterix astrantiae HEINEMANN, 1870 | Sanicle Flat-body |
| Agonopterix atomella Denis & Schi..., 1775 | Greenweed Flat-body |
| Agonopterix bipunctosa Curtis, 1850 | Twin-spot Flat-body |
| Agonopterix canadensis Busck, 1902 | Canadian Agonopterix |
| Agonopterix capreolella Zeller, 1839 | Fuscous Flat-body |
| Agonopterix carduella Hübner, 1817 | Thistle Flat-body |
| Agonopterix ciliella Stainton, 1849 | Large Carrot Flat-body |
| Agonopterix cnicella Treitschke, 1832 | Sea-holly Flat-body |
| Agonopterix conterminella Zeller, 1839 | Sallow Flat-body |
| Agonopterix curvilineella Beutenmüller, 1889 | Curved-line Agonopterix |
| Agonopterix curvipunctosa Haworth, 1811 | Powdered Flat-body |
| Agonopterix heracliana Linnaeus, 1758 | Common Flat-body |
| Agonopterix huebneri (Haworth, 1811) | ⇒ Agonopterix liturosa Haworth, 1811 |
| Agonopterix hypericella (Hübner, 1817) | ⇒ Agonopterix liturosa Haworth, 1811 |
| Agonopterix kaekeritziana Linnaeus, 1767 | Straw Flat-body |
| Agonopterix kutznetzovi | |
| Agonopterix kuznetzovi Lvovsky, 1983 | Cornish Flat-body |
| Agonopterix liturella (Denis & Schi..., 1775) | ⇒ Agonopterix liturosa Haworth, 1811 |
| Agonopterix liturosa Haworth, 1811 | Large Purple Flat-body |
| Agonopterix lythrella Walsingham, 1889 | |
| Agonopterix nanatella Stainton, 1849 | Carline Flat-body |
| Agonopterix nervosa Haworth, 1811 | Carrot and parsnip flat-body moth |
| Agonopterix ocellana Fabricius, 1775 | Red-letter Flat-body |
| Agonopterix oregonensis Clarke, 1941 | |
| Agonopterix pallorella Zeller, 1839 | Pale Flat-body |
| Agonopterix propinquella Treitschke, 1835 | Black-spot Flat-body |
| Agonopterix prostratella Constant, 1884 | |
| Agonopterix pulverella (Fischer von ..., 1834) | ⇒ Agonopterix atomella Denis & Schi..., 1775 |
| Agonopterix pulvipennella Clemens, 1864 | Goldenrod Leafffolder |
| Agonopterix purpurea Haworth, 1811 | Small Purple Flat-body |
| Agonopterix putridella Denis & Schi..., 1775 | Estuarine Flat-body |
| Agonopterix robiniella Packard, 1870 | Four-dotted Agonopterix |
| Agonopterix rotundella Douglas, 1846 | Rolling Carrot Flat-body |
| Agonopterix scopariella HEINEMANN, 1870 | Broom Flat-body |
| Agonopterix selini HEINEMANN, 1870 | |
| Agonopterix stigmella Moore, 1878 | |
| Agonopterix subpropinquella Stainton, 1849 | Ruddy Flat-body |
| Agonopterix thelmae Clarke, 1941 | Thelma'S Agonopterix Moth |
| Agonopterix ulicetella (Stainton, 1849) | ⇒ Agonopterix ulicitella Fabricius, 1794 |
| Agonopterix ulicitella Fabricius, 1794 | Gorse Soft Shoot Moth |
| Agonopterix umbellana Fabricius, 1794 | Gorse Flat-body |
| Agonopterix umbellana prostratella Constant, 1884 | |
| Agonopterix yeatiana Fabricius, 1781 | Coastal Flat-body |
| Agonopterix zephyrella (Haworth, 1811) | ⇒ Agonopterix curvipunctosa Haworth, 1811 |
| Anchinia cristalis Scopoli, 1763 | |
| Anchinia daphnella Denis & Schi..., 1775 | |
| Antaeotricha incisurella Walker, 1864 | |
| Antaeotricha leucillana Zeller, 1854 | Pale gray bird-dropping moth |
| Antaeotricha schlaegeri Zeller, 1854 | Schlaeger's fruitworm moth |
| Bibarrambla allenella Walsingham, 1882 | Bog Bibarrambla |
| Biselachista albidella (Nylander, 1848) | ⇒ Elachista albidella Nylander, 1848 |
| Biselachista cinereopunctella (Haworth, 1828) | ⇒ Elachista cinereopunctella Haworth, 1828 |
| Biselachista eleochariella (Stainton, 1851) | ⇒ Elachista eleochariella Stainton, 1851 |
| Biselachista paludum Frey, 1859 | |
| Biselachista rhynchosporella Stainton, 1848 | |
| Biselachista scirpi (Stainton, 1887) | ⇒ Elachista scirpi Stainton, 1887 |
| Biselachista serricornis Stainton, 1854 | Dusky Dwarf |
| Biselachista trapeziella (Stainton, 1849) | ⇒ Elachista trapeziella Stainton, 1849 |
| Biselachista utonella (Frey, 1856) | ⇒ Elachista utonella Frey, 1856 |
| Blastodacna atca | |
| Blastodacna atra Haworth, 1828 | Apple bud worm |
| Blastodacna hellerella Duponchel, 1839 | Hawthorn berry moth |
| Chrysoclista bimaculella (Haworth, 1828) | ⇒ Chrysoclista lathamella T. Fletcher, 1936 |
| Chrysoclista flavicaput (Haworth, 1828) | ⇒ Chrysoclista aurocapitella Haworth, 1828 |
| Chrysoclista lathamella T. Fletcher, 1936 | Orange-blotch Cosmet |
| Chrysoclista linneella Clerck, 1759 | Cosmet |
| Chrysoclista schaefferella (Clerck, 1759) | ⇒ Chrysoclista splendida Karsholt, 1997 |
| Chrysoclista splendida Karsholt, 1997 | |
| Cosmiotes consortella (Stainton, 1851) | ⇒ Elachista consortella Stainton, 1851 |
| Cosmiotes exiguella Frey, 1885 | |
| Cosmiotes freyerella (Hübner, 1825) | ⇒ Elachista freyerella Hübner, 1825 |
| Cosmiotes nigrella (Hübner, 1825) | ⇒ Elachista freyerella Hübner, 1825 |
| Cosmiotes stabilella (Stainton, 1858) | ⇒ Elachista stabilella Stainton, 1858 |
| Depressaria (Depressaria) albipunctella Denis & Schi..., 1775 | White-spot Flat-body |
| Depressaria (Depressaria) artemisiae NICKERL, 1864 | |
| Depressaria (Depressaria) badiella Hübner, 1796 | Brown Flat-body |
| Depressaria (Depressaria) chaerophylli Zeller, 1839 | Streaked Flat-body |
| Depressaria (Depressaria) daucella Denis & Schi..., 1775 | Carrot moth |
| Depressaria (Depressaria) depressana Fabricius, 1775 | Blunt's flat-body moth |
| Depressaria (Depressaria) discipunctella Herrich-Schä..., 1854 | Scarce Flat-body |
| Depressaria (Depressaria) douglasella Stainton, 1849 | Carrot Flat-body |
| Depressaria (Depressaria) emeritella (Stainton, 1849) | ⇒ Depressaria alienella Busck, 1904 |
| Depressaria (Depressaria) libanotidella Schlager, 1849 | |
| Depressaria (Depressaria) olerella Zeller, 1854 | Yarrow Flat-body |
| Depressaria (Depressaria) pastinacella (Retzius, 1783) | ⇒ Depressaria radiella Goeze, 1783 |
| Depressaria (Depressaria) pimpinellae Zeller, 1839 | Pimpinel Flat-body |
| Depressaria (Depressaria) pulcherrimella Stainton, 1849 | Pignut Flat-body |
| Depressaria (Depressaria) radiella Goeze, 1783 | Cow-parsnip Flat-body |
| Depressaria (Depressaria) silesiaca HEINEMANN, 1870 | Highland Flat-body |
| Depressaria (Depressaria) sordidatella Tengstrom, 1848 | Chervil Flat-body |
| Depressaria (Depressaria) ultimella Stainton, 1849 | Fen Flat-body |
| Depressaria aegopodiella (Denis & Schi..., 1775) | ⇒ Depressaria albipunctella Denis & Schi..., 1775 |
| Depressaria alienella Busck, 1904 | Yarrow Webworm |
| Depressaria angelicella Hübner, 1813 | |
| Depressaria apiella (Hübner, 1801) | ⇒ Depressaria daucella Denis & Schi..., 1775 |
| Depressaria astrantiae (HEINEMANN, 1870) | ⇒ Agonopterix astrantiae HEINEMANN, 1870 |
| Depressaria atomella (Zeller, 1854) | ⇒ Agonopterix scopariella HEINEMANN, 1870 |
| Depressaria brunneella (Ragonot, 1874) | ⇒ Depressaria badiella Hübner, 1796 |
| Depressaria depressella (Hübner, 1810) | ⇒ Depressaria depressana Fabricius, 1775 |
| Depressaria disicipunctella | |
| Depressaria gudmanni (Tengstrom, 1848) | ⇒ Depressaria sordidatella Tengstrom, 1848 |
| Depressaria heraclei (Goeze, 1783) | ⇒ Depressaria radiella Goeze, 1783 |
| Depressaria larseniana (Tengstrom, 1848) | ⇒ Depressaria sordidatella Tengstrom, 1848 |
| Depressaria laserpitii Schlager, 1849 | |
| Depressaria mongolicella (Christoph, 1882) | ⇒ Exaeretia mongolicella Christoph, 1882 |
| Depressaria pulcherimella Stainton, 1849 | Pignut Flat-body |
| Depressaria reichlini (HEINEMANN, 1870) | ⇒ Depressaria pimpinellae Zeller, 1839 |
| Depressaria weirella (Tengstrom, 1848) | ⇒ Depressaria sordidatella Tengstrom, 1848 |
| Depressariodes ciniflonella (LIENIG & ZELLER, 1846) | ⇒ Exaeretia ciniflonella LIENIG & ZELLER, 1846 |
| Dystebenna stephensi Stainton, 1849 | Oak Cosmet |
| Elachista (Aphelosetia) adscitella Stainton, 1851 | Oblique-barred Dwarf |
| Elachista (Aphelosetia) argentella Clerck, 1759 | Swan-feather Dwarf |
| Elachista (Aphelosetia) bedellella Sircom, 1848 | Grey Dwarf |
| Elachista (Aphelosetia) bisulcella Duponchel, 1843 | Yellow-tipped Dwarf |
| Elachista (Aphelosetia) cahorsensis Traugott-Olsen, 1992 | White Dwarf |
| Elachista (Aphelosetia) cingillella (Herrich-Schä..., 1855) | ⇒ Elachista metella aict neerl nec He..., 1855 |
| Elachista (Aphelosetia) collitella Duponchel, 1843 | Pembroke Dwarf |
| Elachista (Aphelosetia) dispunctella (Duponchel, 1843) | ⇒ Elachista cahorsensis Traugott-Olsen, 1992 |
| Elachista (Aphelosetia) gangabella Zeller, 1850 | Yellow-barred Dwarf |
| Elachista (Aphelosetia) littoricola Le Marchand, 1938 | Hampshire Dwarf |
| Elachista metella aict neerl nec He..., 1855 | |
| Elachista (Aphelosetia) obliquella Stainton, 1854 | Wood Dwarf |
| Elachista (Aphelosetia) pullicomella Zeller, 1839 | |
| Elachista (Aphelosetia) revinctella (Zeller, 1850) | ⇒ Elachista adscitella Stainton, 1851 |
| Elachista (Aphelosetia) subalbidella Schläger, 1847 | Buff Dwarf |
| Elachista (Aphelosetia) subocellea Stephens, 1834 | Brown-barred Dwarf |
| Elachista (Aphelosetia) triatomea Haworth, 1828 | Meadow Dwarf |
| Elachista (Aphelosetia) triseriatella Stainton, 1854 | Western Dwarf |
| Elachista (Aphelosetia) unifasciella (Haworth, 1828) | ⇒ Elachista maculoscella Clemens, 1860 |
| Elachista (Elachista) albidella Nylander, 1848 | Cotton-grass Dwarf |
| Elachista (Elachista) albifrontella Hübner, 1817 | White-headed Dwarf |
| Elachista (Elachista) alpinella Stainton, 1854 | Marsh Dwarf |
| Elachista (Elachista) apicipunctella Stainton, 1849 | Pearl Dwar |
| Elachista (Elachista) atricomella Stainton, 1849 | Black-headed Dwarf |
| Elachista (Elachista) biatomella Stainton, 1848 | Two-dotted Dwarf |
| Elachista (Elachista) canapennella Hübner, 1813 | Little Dwarf |
| Elachista (Elachista) cinereopunctella Haworth, 1828 | Grey-spotted Dwarf |
| Elachista (Elachista) consortella Stainton, 1851 | Field Dwarf |
| Elachista (Elachista) eleochariella Stainton, 1851 | Small Bog Dwarf |
| Elachista (Elachista) eskoi Kyrki & Karv..., 1985 | Highland Dwarf |
| Elachista (Elachista) freyerella Hübner, 1825 | Broken-barred Dwarf |
| Elachista (Elachista) geminatella Herrich-Schä..., 1855 | Norfolk Wood-rush Dwarf |
| Elachista (Elachista) gleichenella (Fabricius, 1781) | ⇒ Elachista gerasimovi Sruoga, 2000 |
| Elachista (Elachista) herrichii Frey, 1859 | |
| Elachista (Elachista) humilis Zeller, 1850 | Obscure Dwarf |
| Elachista (Elachista) juliensis Frey, 1870 | |
| Elachista (Elachista) kilmunella Stainton, 1849 | Moorland Dwarf |
| Elachista (Elachista) luticomella Zeller, 1839 | Yellow-headed Dwarf |
| Elachista (Elachista) maculicerusella Bruand, 1859 | Triple-spot Dwarf |
| Elachista (Elachista) nobilella Zeller, 1839 | Surrey Dwarf |
| Elachista (Elachista) occidentalis Frey, 1882 | |
| Elachista (Elachista) orstadii N. Palm, 1943 | Scotch Dwarf |
| Elachista (Elachista) poae Stainton, 1855 | Sweet-grass Dwarf |
| Elachista (Elachista) pomerana Frey, 1870 | Fen Dwarf |
| Elachista (Elachista) regificella (Sircom, 1849) | ⇒ Elachista tengstromi Kaila, Bengt..., 2001 |
| Elachista (Elachista) rufocinerea Haworth, 1828 | Red-brindled Dwarf |
| Elachista (Elachista) scirpi Stainton, 1887 | Saltern Dwarf |
| Elachista (Elachista) serricornis (Stainton, 1854) | ⇒ Elachista juliensis Frey, 1870 |
| Elachista (Elachista) stabilella Stainton, 1858 | Southern Dwarf |
| Elachista (Elachista) subnigrella Douglas, 1853 | Dark Dwarf |
| Elachista (Elachista) tengstromi Kaila, Bengt..., 2001 | Small Wood-rush Dwarf |
| Elachista (Elachista) trapeziella Stainton, 1849 | Scarce Dwarf |
| Elachista (Elachista) utonella Frey, 1856 | Bog Dwarf |
| Elachista cerusella (Hübner, 1796) | ⇒ Elachista maculicerusella Bruand, 1859 |
| Elachista cingilella Herrich-Schä..., 1855 | |
| Elachista corbicula Kaila, 2011 | |
| Elachista cygnipennella (Clerck, 1759) | ⇒ Elachista argentella Clerck, 1759 |
| Elachista densicornuella (Hodgkinson, 1879) | ⇒ Elachista cingilella Herrich-Schä..., 1855 |
| Elachista gemmatella (Costa, 1836) | ⇒ Chrysoclista splendida Karsholt, 1997 |
| Elachista gerasimovi Sruoga, 2000 | |
| Elachista gerasmia Meyrick, 1888 | |
| Elachista illectella Clemens, 1860 | |
| Elachista maculoscella Clemens, 1860 | |
| Elachista magnificella (TENGSTRÖM, 1847) | ⇒ Elachista tengstromi Kaila, Bengt..., 2001 |
| Elachista megerlella (Hübner, 1810) | ⇒ Elachista obliquella Stainton, 1854 |
| Elachista monosemiella (Bruand, 1859) | ⇒ Elachista maculicerusella Bruand, 1859 |
| Elachista morwenella Kaila, 1999 | |
| Elachista obscurella (Stainton, 1849) | ⇒ Elachista canapennella Hübner, 1813 |
| Elachista occultella (Douglas, 1850) | ⇒ Elachista humilis Zeller, 1850 |
| Elachista perplexella (Stainton, 1858) | ⇒ Elachista humilis Zeller, 1850 |
| Elachista pulchrella Haworth, 1828 | |
| Elachista taeniatella (Zeller, 1850) | ⇒ Elachista gangabella Zeller, 1850 |
| Elachista telcharella Kaila, 1999 | |
| Elachista velutina Kaila, 2011 | |
| Elachista zonariella (Duponchel, 1843) | ⇒ Elachista bisulcella Duponchel, 1843 |
| Ethmia abraxasella Walker, 1864 | |
| Ethmia bipunctella Fabricius, 1775 | Bordered echium ermel |
| Ethmia cubensis Busck, 1934 | |
| Ethmia dodecea Haworth, 1828 | Dotted Ermel |
| Ethmia farrella Powell, 1973 | |
| Ethmia funerella (Fabricius, 1787) | ⇒ Ethmia quadrillella Goeze, 1783 |
| Ethmia gelidella Walker, 1864 | |
| Ethmia inversella (Fourcroy, 1785) | ⇒ Ethmia quadrillella Goeze, 1783 |
| Ethmia pusiella Linnaeus, 1758 | Striped Ermel |
| Ethmia pyrausta Pallas, 1771 | Mountain Ermel |
| Ethmia quadrillella Goeze, 1783 | Comfrey Ermel |
| Ethmia submissa Busck, 1914 | Moth |
| Ethmia subsimilis Walsingham, 1897 | |
| Ethmia terminella Fletcher, 1938 | Five-spot Ermel |
| Eutorna spintherias Meyrick, 1906 | |
| Exaeretia (Depressariodes) ciniflonella LIENIG & ZELLER, 1846 | Scotch Flat-body |
| Exaeretia (Depressariodes) culcitella Herrich-Schä..., 1854 | |
| Exaeretia (Depressariodes) mongolicella Christoph, 1882 | |
| Exaeretia (Exaeretia) allisella Stainton, 1849 | Mugwort Flat-body |
| Gonada pyronota Meyrick, 1924 | |
| Hypercallia citrinalis Scopoli, 1763 | Lemon Flat-body |
| Levipalpus hepatariella LIENIG & ZELLER, 1846 | Mountain Flat-body |
| Luquetia lobella Denis & Schi..., 1775 | Sloe Flat-body |
| Mendesia farinella (Thunberg, 1794) | ⇒ Perittia farinella Thunberg, 1794 |
| Mendesia subargentella (Thunberg, 1794) | ⇒ Perittia farinella Thunberg, 1794 |
| Perittia carlinella Walsingham, 1908 | |
| Perittia farinella Thunberg, 1794 | Dover Dwarf |
| Perittia herrichiella Herrich-Schä..., 1855 | Moth |
| Perittia obscurepunctella Stainton, 1848 | Honeysuckle Dwarf |
| Semioscopis aurorella Dyar, 1902 | Aurora Flatbody Moth |
| Semioscopis avellanella Hübner, 1793 | Early Flat-body |
| Semioscopis inornata Walsingham, 1882 | Dull Flatbody Moth |
| Semioscopis mcdunnoughi Clarke, 1941 | |
| Semioscopis megamicrella Dyar, 1902 | |
| Semioscopis oculella Thunberg, 1794 | |
| Semioscopis packardella Clemens, 1863 | Packard'S Concealer Moth |
| Semioscopis steinkellneriana Denis & Schi..., 1775 | Dawn Flat-body |
| Semioscopis strigulana (Denis & Schi..., 1775) | ⇒ Semioscopis avellanella Hübner, 1793 |
| Spuleria flavicaput Haworth, 1828 | Yellow-headed Cosmet |
| Stenoma hydraena Meyrick, 1916 | |
| Stenoma ochlodes Walsingham, 1912 | |
| Stenoma stephanodes Meyrick, 1931 | |
| Stephensia bombycina | |
| Stephensia brunnichella Linnaeus, 1767 | Basil Dwarf |
| Talitha cincta Faure, 1958 | |
| Telechrysis tripuncta Haworth, 1828 | Treble-spot Flat-body |
