| Amauromyza (Cephalomyza) flavifrons Meigen, 1830 | |
| Amauromyza (Cephalomyza) lucens Spencer, 1981 | Candelilla |
| Amauromyza abnormalis Malloch, 1913 | |
| Amauromyza anomala Spencer, 1981 | Candelilla |
| Amauromyza auriceps Melander, 1913 | |
| Amauromyza confondata Spencer, 1986 | Alkali sandmat |
| Amauromyza elsinorensis Spencer, 1981 | Candelilla |
| Amauromyza insularis Spencer, 1981 | Candelilla |
| Amauromyza knowltoni Spencer, 1986 | Alkali sandmat |
| Amauromyza lathyroides Spencer, 1981 | Candelilla |
| Amauromyza nevadensis Spencer, 1981 | Candelilla |
| Amauromyza remus Spencer, 1981 | Candelilla |
| Amauromyza romulus Spencer, 1981 | Candelilla |
| Amauromyza schusteri Spencer, 1981 | Candelilla |
| Amauromyza scleritica Spencer, 1981 | Candelilla |
| Aulagromyza coloradensis Spencer, 1986 | |
| Aulagromyza cornigera Griffiths, 1973 | |
| Aulagromyza lonicerae (Robineau-Des..., 1851) | ⇒ Aulagromyza luteoscutellata De Meijere, 1924 |
| Aulagromyza lonicerina Spencer, 1981 | |
| Aulagromyza luteoscutellata De Meijere, 1924 | |
| Aulagromyza orbitalis Melander, 1913 | |
| Aulagromyza plagiata Melander, 1913 | |
| Aulagromyza praecox Spencer, 1981 | |
| Calycomyza ambrosiae Frick, 1956 | Ragweed leaf miner |
| Calycomyza artemisiae Kaltenbach, 1856 | |
| Calycomyza barbarensis Spencer, 1981 | Candelilla |
| Calycomyza enceliae Spencer, 1981 | Candelilla |
| Calycomyza gigantea Frick, 1956 | |
| Calycomyza humeralis Roser, 1840 | Aster leaf miner |
| Calycomyza irwini Spencer, 1981 | Candelilla |
| Calycomyza jucunda Wulp, 1867 | |
| Calycomyza lantanae Frick, 1956 | Lantana leafmining fly |
| Calycomyza majuscula Frick, 1956 | |
| Calycomyza malvae Burgess, 1880 | Mallow Leaf Miner |
| Calycomyza menthae Spencer, 1969 | Giant spurge |
| Calycomyza platyptera (Thomson, 1869) | ⇒ Calycomyza jucunda Wulp, 1867 |
| Calycomyza promissa Frick, 1956 | |
| Calycomyza solidaginis Kaltenbach, 1869 | |
| Cerodontha (Butomomyza) angulata Loew, 1869 | |
| Cerodontha (Butomomyza) poemyzina Spencer, 1963 | |
| Cerodontha (Butomomyza) scirpi Karl, 1926 | |
| Cerodontha (Cerodontha) augustensis Spencer, 1977 | |
| Cerodontha (Cerodontha) delectabilis Spencer, 1977 | |
| Cerodontha (Cerodontha) dorsalis Loew, 1863 | Grass sheathminer |
| Cerodontha (Cerodontha) milleri Spencer, 1973 | |
| Cerodontha (Cerodontha) occidentalis Sehgal, 1968 | Engelmann's evening primrose |
| Cerodontha (Cerodontha) occidoparva Boucher, 2002 | |
| Cerodontha (Cerodontha) vittigera Malloch, 1927 | |
| Cerodontha (Dizygomyza) fasciata Strobl, 1880 | |
| Cerodontha (Dizygomyza) hirtae Nowakowski, 1967 | Peak saxifrage |
| Cerodontha (Dizygomyza) ireos (Robineau-Des..., 1851) | ⇒ Cerodontha iraeos Robineau-Des..., 1851 |
| Cerodontha (Dizygomyza) luctuosa Meigen, 1830 | |
| Cerodontha (Dizygomyza) magnicornis Loew, 1869 | |
| Cerodontha (Dizygomyza) morosa Meigen, 1830 | |
| Cerodontha (Dizygomyza) thompsoni Frick, 1952 | |
| Cerodontha (Icteromyza) capitata Zetterstedt, 1848 | |
| Cerodontha (Icteromyza) churchillensis Spencer, 1969 | Giant spurge |
| Cerodontha (Icteromyza) lineella Zetterstedt, 1838 | |
| Cerodontha (Icteromyza) longipennis Loew, 1869 | |
| Cerodontha (Icteromyza) triplicata Spencer, 1963 | |
| Cerodontha (Poemyza) calosoma Hendel, 1936 | |
| Cerodontha (Poemyza) incisa Meigen, 1830 | |
| Cerodontha (Poemyza) inconspicua Malloch, 1913 | |
| Cerodontha (Poemyza) muscina Meigen, 1830 | |
| Cerodontha (Poemyza) pygmaea Meigen, 1830 | |
| Cerodontha (Poemyza) pygminoides Spencer, 1981 | Candelilla |
| Cerodontha (Poemyza) spencerae Zlobin, 1993 | |
| Cerodontha (Poemyza) superciliosa Zetterstedt, 1860 | |
| Cerodontha chillcottiella Spencer, 1986 | Alkali sandmat |
| Cerodontha eucaris Nowakowski, 1967 | Peak saxifrage |
| Cerodontha frankensis Spencer, 1969 | Giant spurge |
| Cerodontha impolita Spencer, 1986 | |
| Cerodontha maclayi Spencer, 1981 | Candelilla |
| Cerodontha malaisei Spencer, 1981 | Candelilla |
| Cerodontha montanoides Spencer, 1981 | |
| Cerodontha paludosa Spencer, 1981 | Candelilla |
| Cerodontha parvella Spencer, 1986 | |
| Cerodontha poolei Spencer, 1986 | Alkali sandmat |
| Cerodontha questa Spencer, 1981 | Candelilla |
| Cerodontha sympatria Zlobin, 1997 | |
| Cerodontha temeculensis Spencer, 1981 | Candelilla |
| Chromatomyia aprilina (Goureau, 1851) | ⇒ Phytomyza aprilina Goureau, 1851 |
| Chromatomyia castillejae Spencer, 1973 | |
| Chromatomyia clematoides Spencer, 1986 | |
| Chromatomyia deirdreae Griffiths, 1972 | |
| Chromatomyia doolittlei Spencer, 1986 | Alkali sandmat |
| Chromatomyia eriodictyi Spencer, 1981 | |
| Chromatomyia flavida Spencer, 1986 | Alkali sandmat |
| Chromatomyia fricki Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia gregaria Frick, 1954 | |
| Chromatomyia griffithsi Spencer, 1986 | Alkali sandmat |
| Chromatomyia involucratae Spencer, 1969 | |
| Chromatomyia lonicerae Robineau-Des..., 1851 | Honeysuckle leaf miner |
| Chromatomyia luzulivora Spencer, 1986 | Alkali sandmat |
| Chromatomyia milii Kaltenbach, 1864 | |
| Chromatomyia mimuli Spencer, 1981 | Candelilla |
| Chromatomyia montana Spencer, 1981 | Candelilla |
| Chromatomyia montella Spencer, 1986 | Alkali sandmat |
| Chromatomyia nigra Meigen, 1830 | Cereal leaf miner |
| Chromatomyia nordica (Spencer, 1981) | ⇒ Chromatomyia castillejae Spencer, 1973 |
| Chromatomyia norwegica Ryden, 1957 | |
| Chromatomyia obscuriceps (Hendel, 1935) | ⇒ Chromatomyia nigra Meigen, 1830 |
| Chromatomyia orbitella Spencer, 1981 | Candelilla |
| Chromatomyia poae Griffiths, 1980 | |
| Chromatomyia pseudomilii Griffiths, 1980 | |
| Chromatomyia puccinelliae Spencer, 1969 | |
| Chromatomyia senecionella Sehgal, 1971 | |
| Chromatomyia symphoricarpi Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia syngenesiae (Hardy, 1849) | ⇒ Phytomyza syngenesiae Hardy, 1849 |
| Chromatomyia tiarellae Griffiths, 1972 | |
| Galiomyza turneri Spencer, 1981 | |
| Haplomyza minuta | |
| Haplopeodes kefi Steyskal, 1980 | |
| Haplopeodes minutus Frost, 1924 | |
| Liriomyza abnormis Spencer, 1981 | Candelilla |
| Liriomyza admiranda Spencer, 1981 | Candelilla |
| Liriomyza aestiva Zlobin, 1997 | |
| Liriomyza agraria | |
| Liriomyza alaskensis Spencer, 1969 | Giant spurge |
| Liriomyza allia Frost, 1943 | |
| Liriomyza arnaudi Spencer, 1981 | Candelilla |
| Liriomyza artemisiae Spencer, 1981 | Candelilla |
| Liriomyza baccharidis Spencer, 1963 | Abrams' sandmat |
| Liriomyza baptisiae Frost, 1931 | |
| Liriomyza bella Spencer, 1981 | Candelilla |
| Liriomyza bellissima Spencer, 1969 | |
| Liriomyza brassicae Riley, 1885 | Cabbage leaf miner |
| Liriomyza bryoniae Kaltenbach, 1858 | Potato leaf miner |
| Liriomyza californiensis Spencer, 1981 | Candelilla |
| Liriomyza chemsaki Spencer, 1981 | Candelilla |
| Liriomyza chlamydata Melander, 1913 | |
| Liriomyza congesta Becker, 1903 | Pea leaf miner |
| Liriomyza cordillerana Sehgal, 1968 | Engelmann's evening primrose |
| Liriomyza denudata Spencer, 1981 | Candelilla |
| Liriomyza eboni Spencer, 1969 | Giant spurge |
| Liriomyza elevata Spencer, 1986 | Alkali sandmat |
| Liriomyza endiviae Hering, 1955 | Golden columbine |
| Liriomyza equiseti De Meijere, 1924 | |
| Liriomyza eupatorii Kaltenbach, 1874 | |
| Liriomyza flaveola Fallen, 1823 | Aster leaf miner |
| Liriomyza flavicola Spencer, 1981 | Candelilla |
| Liriomyza flavonigra Coquillett, 1902 | |
| Liriomyza frickella Spencer, 1981 | Candelilla |
| Liriomyza fricki Spencer, 1965 | Pointed sandmat |
| Liriomyza frigida Spencer, 1981 | Candelilla |
| Liriomyza frommeri Spencer, 1981 | Candelilla |
| Liriomyza galiivora Spencer, 1969 | |
| Liriomyza graminacea Spencer, 1981 | Candelilla |
| Liriomyza graminivora Hering, 1949 | |
| Liriomyza helenii Spencer, 1981 | Candelilla |
| Liriomyza helianthi Spencer, 1981 | Candelilla |
| Liriomyza helichrysi Spencer, 1963 | |
| Liriomyza huidobrensis Blanchard, 1926 | Pea leaf miner |
| Liriomyza langei (Frick, 1951) | ⇒ Liriomyza huidobrensis Blanchard, 1926 |
| Liriomyza languida Spencer, 1977 | |
| Liriomyza lathyroides Spencer, 1981 | |
| Liriomyza lima Melander, 1913 | |
| Liriomyza lupinella Spencer, 1981 | Candelilla |
| Liriomyza lupini Spencer, 1981 | Candelilla |
| Liriomyza lupiniphaga Spencer, 1981 | Candelilla |
| Liriomyza lupinophaga | |
| Liriomyza lutea Meigen, 1830 | |
| Liriomyza meracula Spencer, 1977 | |
| Liriomyza minor Spencer, 1981 | Candelilla |
| Liriomyza monoensis Spencer, 1981 | Candelilla |
| Liriomyza montella Spencer, 1986 | Alkali sandmat |
| Liriomyza montis Spencer, 1986 | Alkali sandmat |
| Liriomyza munda (Frick, 1957) | ⇒ Liriomyza sativae Blanchard, 1938 |
| Liriomyza nigriscutellata Spencer, 1981 | Candelilla |
| Liriomyza nigrissima Spencer, 1981 | Candelilla |
| Liriomyza nordica Spencer, 1969 | Giant spurge |
| Liriomyza oleariana Spencer, 1977 | |
| Liriomyza orbona Meigen, 1830 | |
| Liriomyza paumensis Spencer, 1981 | Candelilla |
| Liriomyza pictella Thomson, 1869 | Cotton leaf miner |
| Liriomyza pilicornis Lonsdale, 2017 | |
| Liriomyza projecta Lonsdale, 2011 | |
| Liriomyza ptarmicae Meijere, 1925 | Southern marsh yellowcress |
| Liriomyza pulloides Spencer, 1986 | Alkali sandmat |
| Liriomyza quadrisetosa Malloch, 1913 | |
| Liriomyza sabaziae Spencer, 1963 | Abrams' sandmat |
| Liriomyza sativae Blanchard, 1938 | Cabbage leaf miner |
| Liriomyza scaevolae Spencer, 1977 | |
| Liriomyza schlingeri Spencer, 1981 | |
| Liriomyza septentrionalis Sehgal, 1968 | Engelmann's evening primrose |
| Liriomyza similis Spencer, 1981 | Candelilla |
| Liriomyza smilacinae Spencer, 1969 | Giant spurge |
| Liriomyza socialis Spencer, 1969 | Giant spurge |
| Liriomyza specifica Spencer, 1981 | Candelilla |
| Liriomyza stachyos Spencher, 1981 | Candelilla |
| Liriomyza strigata Meigen, 1830 | |
| Liriomyza subasclepiadis Spencer, 1986 | Alkali sandmat |
| Liriomyza subpusilla (Malloch, 1914) | ⇒ Liriomyza sativae Blanchard, 1938 |
| Liriomyza suecica Ryden, 1956 | |
| Liriomyza taraxaci Hering, 1927 | White baneberry |
| Liriomyza texella Spencer, 1986 | Alkali sandmat |
| Liriomyza togata Melander, 1913 | |
| Liriomyza trifoliearum Spencer, 1973 | |
| Liriomyza trifolii Burgess, 1880 | American serpentine leaf miner |
| Liriomyza trixivora Lonsdale, 2011 | |
| Liriomyza tubula Spencer, 1981 | Candelilla |
| Liriomyza venegasiae Spencer, 1981 | Candelilla |
| Liriomyza venturensis Spencer, 1981 | Candelilla |
| Liriomyza violivora Spencer, 1986 | |
| Liriomyza virgo Zetterstedt, 1838 | |
| Liriomyza zinniae Spencer, 1981 | Candelilla |
| Metopomyza danielssoni Zlobin, 1995 | |
| Metopomyza interfrontalis Melander, 1913 | |
| Metopomyza nigripes Spencer, 1981 | Candelilla |
| Napomyza arcticola Spencer, 1969 | Giant spurge |
| Napomyza blairmorensis Sehgal, 1971 | |
| Napomyza evanescens Hendel, 1920 | Agromyzid fly |
| Napomyza grandella Spencer, 1986 | Alkali sandmat |
| Napomyza immanis Spencer, 1969 | Giant spurge |
| Napomyza immerita Spencer, 1969 | Giant spurge |
| Napomyza lateralis Fallen, 1823 | Calendula fly |
| Napomyza manni Spencer, 1986 | Alkali sandmat |
| Napomyza minuta Spencer, 1981 | Candelilla |
| Napomyza montanoides Spencer, 1981 | Candelilla |
| Napomyza nigritula Zetterstedt, 1838 | Narrowflower flaxflower |
| Napomyza nugax Spencer, 1969 | Giant spurge |
| Napomyza pallens Spencer, 1969 | Giant spurge |
| Napomyza plumea Spencer, 1969 | |
| Napomyza schusteri Spencer, 1981 | Candelilla |
| Nemorimyza posticata Meigen, 1830 | |
| Paraphytomyza orbitalis Melander, 1913 | |
| Phytobia californica Spencer, 1981 | Candelilla |
| Phytobia confessa Spencer, 1969 | Giant spurge |
| Phytobia fausta Spencer, 1977 | |
| Phytobia flavohumeralis Sehgal, 1968 | Engelmann's evening primrose |
| Phytobia morio Brischke, 1881 | |
| Phytobia powelli Spencer, 1981 | |
| Phytobia pruinosa Coquillett, 1902 | |
| Phytobia prunivora Spencer, 1981 | |
| Phytobia setosa Loew, 1869 | Red maple cambium borer |
| Phytobia vanduzeei Spencer, 1981 | Candelilla |
| Phytoliriomyza arctica Lundbeck, 1901 | |
| Phytoliriomyza beckerella Spencer, 1981 | Candelilla |
| Phytoliriomyza clara Melander, 1913 | |
| Phytoliriomyza conjunctimontis Frick, 1952 | |
| Phytoliriomyza dorsata Siebke, 1864 | |
| Phytoliriomyza flavens Spencer, 1981 | Candelilla |
| Phytoliriomyza flavostriata Zlobin, 1997 | |
| Phytoliriomyza imperfecta Malloch, 1934 | |
| Phytoliriomyza jacarandae Steyskal & S..., 1978 | Jacaranda leaf miner |
| Phytoliriomyza leechi Spencer, 1981 | Candelilla |
| Phytoliriomyza melampyga Loew, 1869 | Jewelweed Leaf-Miner Fly |
| Phytoliriomyza minutissima Spencer, 1981 | Candelilla |
| Phytoliriomyza nigricans Spencer, 1977 | |
| Phytoliriomyza pacifica Melander, 1913 | |
| Phytoliriomyza pallida Sehgal, 1968 | |
| Phytoliriomyza perpusilla Meigen, 1830 | |
| Phytoliriomyza phytoliriomyza | |
| Phytoliriomyza striatella Spencer, 1977 | |
| Phytoliriomyza tricolor Malloch, 1927 | |
| Phytoliriomyza varia Melander, 1913 | |
| Phytoliriomyza variana Spencer, 1977 | |
| Phytoliriomyza viciae Spencer, 1969 | |
| Phytoliriomyza volatilis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) aconiti Hendel, 1920 | Larkspur leaf miner |
| Phytomyza (Phytomyza) affinalis Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) agromyzina Meigen, 1830 | Stalkless yellowcress |
| Phytomyza (Phytomyza) alamedensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) alaskana Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) albiceps Meigen, 1830 | Stalkless yellowcress |
| Phytomyza (Phytomyza) aldrichi Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) angelicae Kaltenbach, 1874 | Corn-cockle |
| Phytomyza (Phytomyza) anthocercidis Spencer, 1977 | |
| Phytomyza (Phytomyza) aquilegiana Frost, 1930 | Jamaican weissia moss |
| Phytomyza (Phytomyza) aquilegioides Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) aquilegivora Spencer, 1969 | Columbine Leafminer |
| Phytomyza (Phytomyza) aralivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) archangelicae Hering, 1937 | Blooddrops |
| Phytomyza (Phytomyza) arnicicola Lundqvist, 1949 | Small white violet |
| Phytomyza (Phytomyza) asterophaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) atricornis Meigen, 1838 | Roundfruit yellowcress |
| Phytomyza (Phytomyza) banffensis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) beringiana Griffiths, 1975 | |
| Phytomyza (Phytomyza) boulderella Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) bulbiseta Zlobin, 1997 | |
| Phytomyza (Phytomyza) californica Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) carbonensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) cicutella Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) clematiphaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) clematisana Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) coloradella Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) columbiana Griffiths, 1977 | Acacia fringedfern |
| Phytomyza (Phytomyza) columbinae Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) conioselini Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) crassiseta Zetterstedt, 1860 | Leaf-Miner Fly |
| Phytomyza (Phytomyza) crepidis Spencer, 1981 | |
| Phytomyza (Phytomyza) davisii Walton, 1912 | |
| Phytomyza (Phytomyza) ditmani Kulp, 1968 | Ione buckwheat |
| Phytomyza (Phytomyza) evansi Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) fallaciosa Brischke, 1880 | |
| Phytomyza (Phytomyza) felix Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) flavens Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) flaviantennalis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) flavicornis Fallen, 1823 | Leaf-miner fly |
| Phytomyza (Phytomyza) flexuosa Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) gelida Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) humilis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) hyperborea Griffiths, 1972 | Dotted beadfern |
| Phytomyza (Phytomyza) ilicicola Loew, 1872 | Juniper globemallow |
| Phytomyza (Phytomyza) ilicis (Curtis, 1846) | ⇒ Phytomyza ilicicola Loew, 1872 |
| Phytomyza (Phytomyza) infelix Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) integerrimi Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) lanati Spencer, 1966 | Rattlesnake weed |
| Phytomyza (Phytomyza) latifrons Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) ligusticifoliae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) loewii Hendel, 1923 | Straightbeak buttercup |
| Phytomyza (Phytomyza) lupini Sehgal, 1968 | Engelmann's evening primrose |
| Phytomyza (Phytomyza) major Malloch, 1913 | |
| Phytomyza (Phytomyza) malaca Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) manni Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) melanella Forst, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) minuscula Goureau, 1851 | Asplenium ladyfern |
| Phytomyza (Phytomyza) minutissima Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) misella Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) modocensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) montereyensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) nepetae Hendel, 1922 | Blue Mountain buttercup |
| Phytomyza (Phytomyza) nigella Zlobin, 1997 | |
| Phytomyza (Phytomyza) nigra (Macquart, 1835) | ⇒ Chromatomyia nigra Meigen, 1830 |
| Phytomyza (Phytomyza) nigrinervis Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) oenanthoides Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) oreas Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) orindensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) ovimontis Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) parvicella Coquillett, 1902 | |
| Phytomyza (Phytomyza) penstemonella Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) penstemonis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) periclymeni Hendel, 1922 | Blue Mountain buttercup |
| Phytomyza (Phytomyza) petiolaris Griffiths, 1975 | |
| Phytomyza (Phytomyza) phaceliae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) plantaginis Goreau, 1851 | Bird vetch |
| Phytomyza (Phytomyza) platonoffi Spencer, 1976 | |
| Phytomyza (Phytomyza) ranunculi Schrank, 1803 | Leaf-Miner Fly |
| Phytomyza (Phytomyza) saniculae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) saximontana Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) sitchensis Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) sonorensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) splendida Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) spondylii Robineau-Des..., 1851 | Bird vetch |
| Phytomyza (Phytomyza) subalpina Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) subaquilegiana Zlobin, 1997 | |
| Phytomyza (Phytomyza) subtenella Forst, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) subtilis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) tenella Meigen, 1830 | Stalkless yellowcress |
| Phytomyza (Phytomyza) thalictrella Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) tlingitica Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) trivittata Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) tundrensis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) verticillatae Kulp, 1968 | Ione buckwheat |
| Phytomyza (Phytomyza) vitalbae Kaltenberg, 1872 | |
| Phytomyza (Phytomyza) vomitoriae Kulp, 1968 | Ione buckwheat |
| Phytomyza (Phytomyza) wahlgreni Ryden, 1944 | Hairy prairie clover |
| Phytomyza clematidicolla Spencer, 1963 | |
| Phytomyza evanescens (Hendel, 1920) | ⇒ Napomyza evanescens Hendel, 1920 |
| Phytomyza fricki Griffiths, 1974 | |
| Phytomyza gregaria (Frick, 1954) | ⇒ Chromatomyia gregaria Frick, 1954 |
| Phytomyza hatfieldae Eiseman & Lo..., 2018 | |
| Phytomyza hevacleiplaza | |
| Phytomyza linnaeae Griffiths, 1974 | |
| Phytomyza mimuli Spencer, 1969 | |
| Phytomyza nemophilae Eiseman & Lo..., 2019 | |
| Phytomyza nigrinerris | |
| Phytomyza ranunculicaulis Spencer, 1977 | |
| Phytomyza sempervirentis Eiseman & Lo..., 2018 | |
| Phytomyza spondyli | |
| Phytomyza stricornis | |
| Phytomyza syngenesiae Hardy, 1849 | Chrysanthemum Leafminer |
| Phytomyza triangularidis Eiseman & Lo..., 2018 | |
| Phytomyza vancouveriella Eiseman & Lo..., 2018 | |
| Phytomyza xylostei (Robineau-Des..., 1851) | ⇒ Phytomyza aprilina Goureau, 1851 |
| Pseudonapomyza atra Meigen, 1830 | |
| Pseudonapomyza lacteipennis Malloch, 1913 | |
