| 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) anemones Hering, 1925 | |
| Phytomyza (Phytomyza) angelicae Kaltenbach, 1874 | Corn-cockle |
| Phytomyza (Phytomyza) angelicastri Hering, 1932 | |
| 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) astotinensis Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) atricornis Meigen, 1838 | Roundfruit yellowcress |
| Phytomyza (Phytomyza) auricornis Frost, 1927 | Sharp's weissia moss |
| Phytomyza (Phytomyza) banffensis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) beringiana Griffiths, 1975 | |
| Phytomyza (Phytomyza) bicolor Coquillett, 1902 | |
| Phytomyza (Phytomyza) bipunctata Loew, 1858 | |
| Phytomyza (Phytomyza) boulderella Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) brischkei Hendel, 1922 | |
| Phytomyza (Phytomyza) brunnipes Brischke, 1880 | |
| Phytomyza (Phytomyza) buhriana Hering, 1949 | |
| Phytomyza (Phytomyza) bulbiseta Zlobin, 1997 | |
| Phytomyza (Phytomyza) californica Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) carbonensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) ceanothi Spencer, 1986 | |
| Phytomyza (Phytomyza) chaerophylli Kaltenbach, 1856 | |
| Phytomyza (Phytomyza) cicutella Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) clematadi Watt, 1923 | |
| Phytomyza (Phytomyza) clematiphaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) clematisana Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) clematisella Spencer, 1986 | Alkali sandmat |
| 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) conii Hering, 1931 | |
| Phytomyza (Phytomyza) conioselini Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) coquilletti Spencer, 1986 | Alkali sandmat |
| 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) diversicornis Hendel, 1927 | |
| Phytomyza (Phytomyza) dreisbachi Steyskal, 1972 | |
| Phytomyza (Phytomyza) duplex Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) erigerophila Hering, 1928 | White baneberry |
| 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) flavinervis Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) flaviventris Zetterstedt, 1848 | |
| Phytomyza (Phytomyza) flexuosa Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) gelida Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) genalis Melander, 1913 | Goldentuft |
| Phytomyza (Phytomyza) glabricola Kulp, 1968 | Ione buckwheat |
| Phytomyza (Phytomyza) hellebori Kaltenbach, 1872 | Fly |
| Phytomyza (Phytomyza) heracleana Hering, 1937 | |
| Phytomyza (Phytomyza) heringiana Hendel, 1922 | Apple leaf miner |
| 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) kyfhusana Hering, 1928 | |
| Phytomyza (Phytomyza) lanati Spencer, 1966 | Rattlesnake weed |
| Phytomyza (Phytomyza) lappae (Goureau, 1851) | ⇒ Phytomyza lappina Goureau, 1851 |
| 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) luteoscutellata (Meijere, 1924) | ⇒ Paraphytomyza luteoscutellata Meijere, 1924 |
| 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) minuta Spencer, 1981 | |
| 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) myosotica Nowakowski, 1959 | |
| Phytomyza (Phytomyza) nepetae Hendel, 1922 | Blue Mountain buttercup |
| Phytomyza (Phytomyza) nervosa Loew, 1869 | Juniper globemallow |
| Phytomyza (Phytomyza) nigella Zlobin, 1997 | |
| Phytomyza (Phytomyza) nigra (Macquart, 1835) | ⇒ Chromatomyia nigra Meigen, 1830 |
| Phytomyza (Phytomyza) nigrinervis Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) nigripennis Fallen, 1823 | |
| Phytomyza (Phytomyza) nigritella Zetterstedt, 1848 | |
| Phytomyza (Phytomyza) notata Meigen, 1830 | |
| Phytomyza (Phytomyza) notopleuralis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) obscurella Fallen, 1823 | |
| Phytomyza (Phytomyza) oenanthica Hering, 1949 | |
| Phytomyza (Phytomyza) oenanthoides Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) omlandi Scheffer & L..., 2011 | |
| Phytomyza (Phytomyza) opacae Kulp, 1968 | Ione buckwheat |
| Phytomyza (Phytomyza) oreas Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) orindensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) orlandensis Spencer, 1973 | |
| Phytomyza (Phytomyza) osmorhizae Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) ovimontis Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) parvicella Coquillett, 1902 | |
| Phytomyza (Phytomyza) pastinacae Hendel, 1923 | Straightbeak buttercup |
| Phytomyza (Phytomyza) penstemonella Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) penstemonis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) periclymeni Hendel, 1922 | Blue Mountain buttercup |
| Phytomyza (Phytomyza) persicae Frick, 1954 | |
| Phytomyza (Phytomyza) petiolaris Griffiths, 1975 | |
| Phytomyza (Phytomyza) phaceliae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) phellandrii Hering, 1957 | |
| Phytomyza (Phytomyza) pimpinellae Hendel, 1924 | |
| Phytomyza (Phytomyza) plantaginis Goreau, 1851 | Bird vetch |
| Phytomyza (Phytomyza) platonoffi Spencer, 1976 | |
| Phytomyza (Phytomyza) plumiseta Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) prava Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) pulchella Spencer, 1977 | Alkali sandmat |
| Phytomyza (Phytomyza) pullula Zetterstedt, 1848 | Nuttall's linanthus |
| Phytomyza (Phytomyza) ranunculi Schrank, 1803 | Leaf-Miner Fly |
| Phytomyza (Phytomyza) ranunculicola Hering, 1949 | |
| Phytomyza (Phytomyza) ranunculivora Hering, 1932 | |
| Phytomyza (Phytomyza) ranunculoides Spencer, 1986 | Alkali sandmat |
| Phytomyza (Phytomyza) rostrata Hering, 1934 | Pheasant's eye |
| Phytomyza (Phytomyza) rufipes Meigen, 1830 | Cabbage leaf miner |
| Phytomyza (Phytomyza) saniculae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) saskatoonensis Spencer, 1969 | |
| Phytomyza (Phytomyza) saximontana Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) sii Hering, 1930 | |
| Phytomyza (Phytomyza) sitchensis Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) soenderupi Hering, 1941 | |
| Phytomyza (Phytomyza) solidaginivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) solidaginophaga Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) sonorensis Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) spinaciae Hendel, 1935 | |
| Phytomyza (Phytomyza) splendida Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) spondylii Robineau-Des..., 1851 | Bird vetch |
| Phytomyza (Phytomyza) stolonigena Hering, 1949 | |
| 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) thalictrivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) tlingitica Griffiths, 1973 | Climbing holly fern |
| Phytomyza (Phytomyza) trivittata Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) trolliivora Hering, 1935 | |
| Phytomyza (Phytomyza) trolliophila Hering, 1949 | |
| 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 aesculi Eiseman & Lo..., 2018 | |
| Phytomyza angelicella (Frost, 1927) | ⇒ Phytomyza pastinacae Hendel, 1923 |
| Phytomyza aprilina Goureau, 1851 | |
| Phytomyza clematidicolla Spencer, 1963 | |
| Phytomyza clemativora (Coquillett, 1910) | ⇒ Chromatomyia clemativora Coquillett, 1910 |
| Phytomyza confusa Eiseman & Lo..., 2018 | |
| Phytomyza coquillett | |
| Phytomyza cudu (Steyskal, 1972) | ⇒ Phytomyza saskatoonensis Spencer, 1969 |
| Phytomyza delphinii | |
| Phytomyza dephinii (Frost, 1928) | ⇒ Phytomyza aconiti Hendel, 1920 |
| Phytomyza doellingeriae Eiseman & Lo..., 2018 | |
| Phytomyza erigeronis Eiseman & Lo..., 2018 | |
| Phytomyza evanescens (Hendel, 1920) | ⇒ Napomyza evanescens Hendel, 1920 |
| Phytomyza fricki Griffiths, 1974 | |
| Phytomyza gregaria (Frick, 1954) | ⇒ Chromatomyia gregaria Frick, 1954 |
| Phytomyza gymnostoma (Loew, 1858) | ⇒ Napomyza gymnostoma Loew, 1858 |
| Phytomyza hatfieldae Eiseman & Lo..., 2018 | |
| Phytomyza hevacleiplaza | |
| Phytomyza hydrophyllivora Eiseman & Lo..., 2018 | |
| Phytomyza interrupta | |
| Phytomyza lachosternum | |
| Phytomyza lacteipennis (Malloch, 1913) | ⇒ Pseudonapomyza lacteipennis Malloch, 1913 |
| Phytomyza lappina Goureau, 1851 | |
| Phytomyza linnaeae Griffiths, 1974 | |
| Phytomyza marginalis (Frost, 1927) | ⇒ Napomyza marginalis Frost, 1927 |
| Phytomyza mimuli Spencer, 1969 | |
| Phytomyza nemophilae Eiseman & Lo..., 2019 | |
| Phytomyza nigrinerris | |
| Phytomyza nitida (Melander, 1913) | ⇒ Phytomyza minuscula Goureau, 1851 |
| Phytomyza nitidula (Malloch, 1913) | ⇒ Pseudonapomyza atra Meigen, 1830 |
| Phytomyza orbitalis (Melander, 1913) | ⇒ Paraphytomyza orbitalis Melander, 1913 |
| Phytomyza palliata Coquillett, 1902 | |
| Phytomyza palmeri Eiseman & Lo..., 2018 | |
| Phytomyza palustris Eiseman & Lo..., 2018 | |
| Phytomyza ranunculicaulis Spencer, 1977 | |
| Phytomyza salviarum Eiseman & Lo..., 2019 | |
| Phytomyza sempervirentis Eiseman & Lo..., 2018 | |
| Phytomyza setipes | |
| Phytomyza spondyli | |
| Phytomyza stricornis | |
| Phytomyza syngenesiae Hardy, 1849 | Chrysanthemum Leafminer |
| Phytomyza tanaceti (Hendel, 1923) | ⇒ Phytomyza pullula Zetterstedt, 1848 |
| Phytomyza tarnwoodensis Eiseman & Lo..., 2018 | |
| Phytomyza testacea | |
| Phytomyza thermarum Griffiths, 1976 | |
| Phytomyza tiarellae (Griffiths, 1972) | ⇒ Chromatomyia tiarellae Griffiths, 1972 |
| Phytomyza tigris Eiseman & Lo..., 2018 | |
| Phytomyza triangularidis Eiseman & Lo..., 2018 | |
| Phytomyza vancouveriella Eiseman & Lo..., 2018 | |
| Phytomyza vomitoria | |
| Phytomyza xylostei (Robineau-Des..., 1851) | ⇒ Phytomyza aprilina Goureau, 1851 |
| Phytomyza ziziae Eiseman & Lo..., 2018 | |
