| Amauromyza (Cephalomyza) flavifrons Meigen, 1830 | |
| Amauromyza (Cephalomyza) karli Hendel, 1927 | |
| Amauromyza (Cephalomyza) labiatarum Hendel, 1920 | |
| Amauromyza nevadensis Spencer, 1981 | Candelilla |
| Amauromyza riparia Sehgal, 1971 | Long-tube evening primrose |
| Amauromyza sheperdiae | |
| Amauromyza shepherdiae (Sehgal, 1971) | ⇒ Amauromyza sheperdiae |
| Aulagromyza nitida Malloch, 1913 | |
| Aulagromyza orbitalis Melander, 1913 | |
| Aulagromyza plagiata Melander, 1913 | |
| Aulagromyza spenceri Sehgal, 1971 | |
| Calycomyza jucunda Wulp, 1867 | |
| Calycomyza majuscula Frick, 1956 | |
| Calycomyza menthae Spencer, 1969 | Giant spurge |
| Calycomyza sonchi Spencer, 1969 | Giant spurge |
| Cerodontha (Butomomyza) angulata Loew, 1869 | |
| Cerodontha (Cerodontha) dorsalis Loew, 1863 | Grass sheathminer |
| Cerodontha (Cerodontha) occidentalis Sehgal, 1968 | Engelmann's evening primrose |
| Cerodontha (Dizygomyza) fasciata Strobl, 1880 | |
| Cerodontha (Icteromyza) capitata Zetterstedt, 1848 | |
| Cerodontha (Icteromyza) longipennis Loew, 1869 | |
| Cerodontha (Poemyza) calamagrostidis Nowakowski, 1967 | Peak saxifrage |
| Cerodontha (Poemyza) muscina Meigen, 1830 | |
| Chromatomyia alopecuri Griffiths, 1980 | |
| Chromatomyia caprifoliae Spencer, 1969 | |
| Chromatomyia chamaemetabola Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia cinnae Griffiths, 1980 | |
| Chromatomyia cygnicollina Griffiths, 1980 | |
| Chromatomyia deirdreae Griffiths, 1972 | |
| Chromatomyia fuscula Zetterstedt, 1848 | |
| Chromatomyia gregaria Frick, 1954 | |
| Chromatomyia involucratae Spencer, 1969 | |
| Chromatomyia ixeridopsis Griffiths, 1977 | Acacia fringedfern |
| Chromatomyia lactuca Frost, 1924 | |
| Chromatomyia leptargyreae Griffiths, 1976 | Royal fringedfern |
| Chromatomyia linnaeae Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia merula Spencer, 1969 | |
| Chromatomyia mitellae Griffiths, 1972 | |
| Chromatomyia nigrilineata Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia norwegica Ryden, 1957 | |
| Chromatomyia periclymeni (Hendel, 1922) | ⇒ Phytomyza periclymeni Hendel, 1922 |
| Chromatomyia puccinelliae Spencer, 1969 | |
| Chromatomyia senecionella Sehgal, 1971 | |
| Chromatomyia shepherdiana Griffiths, 1976 | Royal fringedfern |
| Chromatomyia symphoricarpi Griffiths, 1974 | Hollyleaf fringedfern |
| Chromatomyia syngenesiae (Hardy, 1849) | ⇒ Phytomyza syngenesiae Hardy, 1849 |
| Chromatomyia thermarum Griffiths, 1976 | Royal fringedfern |
| Chromatomyia torrentium Griffiths, 1980 | |
| Haplopeodes minutus Frost, 1924 | |
| Liriomyza angulicornis Malloch, 1918 | |
| Liriomyza balcanicoides Sehgal, 1971 | |
| Liriomyza baptisiae Frost, 1931 | |
| Liriomyza belcanicoides (Sehgal, 1971) | ⇒ Liriomyza balcanicoides Sehgal, 1971 |
| Liriomyza bifurcata Sehgal, 1971 | Long-tube evening primrose |
| Liriomyza brassicae Riley, 1885 | Cabbage leaf miner |
| Liriomyza cordillerana Sehgal, 1968 | Engelmann's evening primrose |
| Liriomyza eboni Spencer, 1969 | Giant spurge |
| Liriomyza edmontonensis Spencer, 1969 | Giant spurge |
| Liriomyza eupatorii Kaltenbach, 1874 | |
| Liriomyza fricki Spencer, 1965 | Pointed sandmat |
| Liriomyza galiivora Spencer, 1969 | |
| Liriomyza helianthi Spencer, 1981 | Candelilla |
| Liriomyza huidobrensis Blanchard, 1926 | Pea leaf miner |
| Liriomyza kenti Spencer, 1969 | Giant spurge |
| Liriomyza lathyri Sehgal, 1971 | Long-tube evening primrose |
| Liriomyza lima Melander, 1913 | |
| Liriomyza montana Sehgal, 1968 | Engelmann's evening primrose |
| Liriomyza pilosa (Spencer, 1969) | ⇒ Liriomyza ptarmicae Meijere, 1925 |
| Liriomyza ptarmicae Meijere, 1925 | Southern marsh yellowcress |
| Liriomyza senecionivora Sehgal, 1971 | Long-tube evening primrose |
| Liriomyza septentrionalis Sehgal, 1968 | Engelmann's evening primrose |
| Liriomyza singula Spencer, 1969 | Giant spurge |
| Liriomyza sinuata Sehgal, 1971 | Long-tube evening primrose |
| Liriomyza smilacinae Spencer, 1969 | Giant spurge |
| Liriomyza socialis Spencer, 1969 | Giant spurge |
| Liriomyza suecica Ryden, 1956 | |
| Liriomyza sylvatica Sehgal, 1971 | Long-tube evening primrose |
| Liriomyza taraxaci Hering, 1927 | White baneberry |
| Liriomyza togata Melander, 1913 | |
| Liriomyza trifoliearum Spencer, 1973 | |
| Liriomyza veluta Spencer, 1969 | Giant spurge |
| Metopomyza griffithsi (Sehgal, 1971) | ⇒ Metopomyza scutellata Fallen, 1823 |
| Metopomyza interfrontalis Melander, 1913 | |
| Metopomyza scutellata Fallen, 1823 | |
| Napomyza montanoides Spencer, 1981 | Candelilla |
| Napomyza nigritula Zetterstedt, 1838 | Narrowflower flaxflower |
| Napomyza plumea Spencer, 1969 | |
| Nemorimyza posticata Meigen, 1830 | |
| Paraphytomyza luteoscutellata Meijere, 1924 | |
| Phytobia confessa Spencer, 1969 | Giant spurge |
| Phytobia flavohumeralis Sehgal, 1968 | Engelmann's evening primrose |
| Phytoliriomyza arctica Lundbeck, 1901 | |
| Phytoliriomyza conspicua Sehgal, 1968 | |
| Phytoliriomyza dorsata Siebke, 1864 | |
| Phytoliriomyza melampyga Loew, 1869 | Jewelweed Leaf-Miner Fly |
| Phytoliriomyza pallida Sehgal, 1968 | |
| Phytoliriomyza phytoliriomyza | |
| Phytoliriomyza pulchella Spencer, 1986 | Alkali sandmat |
| Phytoliriomyza robiniae Valley, 1982 | |
| Phytoliriomyza viciae Spencer, 1969 | |
| Phytomyza (Phytomyza) aconiti Hendel, 1920 | Larkspur leaf miner |
| Phytomyza (Phytomyza) agromyzina Meigen, 1830 | Stalkless yellowcress |
| Phytomyza (Phytomyza) angelicastri Hering, 1932 | |
| Phytomyza (Phytomyza) anserimontis Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) aquilegioides Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) aquilegiophaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) aquilegivora Spencer, 1969 | Columbine Leafminer |
| Phytomyza (Phytomyza) aralivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) archangelicae Hering, 1937 | Blooddrops |
| Phytomyza (Phytomyza) arnicae Hering, 1925 | Baneberry |
| Phytomyza (Phytomyza) arnicivora Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) asterophaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) astotinensis Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) atricornis Meigen, 1838 | Roundfruit yellowcress |
| Phytomyza (Phytomyza) banffensis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) canadensis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) ciliolati Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) clematiphaga Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) columbiana Griffiths, 1977 | Acacia fringedfern |
| Phytomyza (Phytomyza) columbinae Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) crassiseta Zetterstedt, 1860 | Leaf-Miner Fly |
| Phytomyza (Phytomyza) delphinivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) demissa Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) despinosa Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) edmontonensis Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) erigerophila Hering, 1928 | White baneberry |
| Phytomyza (Phytomyza) flavicornis Fallen, 1823 | Leaf-miner fly |
| Phytomyza (Phytomyza) ilicis (Curtis, 1846) | ⇒ Phytomyza ilicicola Loew, 1872 |
| Phytomyza (Phytomyza) jasperensis Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) lanati Spencer, 1966 | Rattlesnake weed |
| Phytomyza (Phytomyza) lupini Sehgal, 1968 | Engelmann's evening primrose |
| Phytomyza (Phytomyza) lupinivora Sehgal, 1968 | Engelmann's evening primrose |
| Phytomyza (Phytomyza) luteoscutellata (Meijere, 1924) | ⇒ Paraphytomyza luteoscutellata Meijere, 1924 |
| Phytomyza (Phytomyza) mertensiae Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) minuscula Goureau, 1851 | Asplenium ladyfern |
| Phytomyza (Phytomyza) miranda Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) multifidae Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) origani Hering, 1931 | |
| Phytomyza (Phytomyza) oxytropidis Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) parvicella Coquillett, 1902 | |
| Phytomyza (Phytomyza) pastinacae Hendel, 1923 | Straightbeak buttercup |
| Phytomyza (Phytomyza) penstemonis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) peregrini Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) periclymeni Hendel, 1922 | Blue Mountain buttercup |
| Phytomyza (Phytomyza) phalangites Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) plantaginis Goreau, 1851 | Bird vetch |
| Phytomyza (Phytomyza) plumiseta Frost, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) prava Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) pullula Zetterstedt, 1848 | Nuttall's linanthus |
| Phytomyza (Phytomyza) pulsatillae Hering, 1924 | |
| Phytomyza (Phytomyza) queribunda Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) ranunculi Schrank, 1803 | Leaf-Miner Fly |
| Phytomyza (Phytomyza) riparia Sehgal, 1971 | |
| Phytomyza (Phytomyza) rufipes Meigen, 1830 | Cabbage leaf miner |
| Phytomyza (Phytomyza) saniculae Spencer, 1981 | Candelilla |
| Phytomyza (Phytomyza) saximontana Griffiths, 1974 | Hollyleaf fringedfern |
| Phytomyza (Phytomyza) scopulina Griffiths, 1976 | Royal fringedfern |
| Phytomyza (Phytomyza) sehgali Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) solidaginivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) solidaginophaga Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) spondylii Robineau-Des..., 1851 | Bird vetch |
| Phytomyza (Phytomyza) subalpina Sehgal, 1971 | Long-tube evening primrose |
| Phytomyza (Phytomyza) subtenella Forst, 1924 | Controverial weissia moss |
| Phytomyza (Phytomyza) subtilis Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) thalictrivora Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) timida Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) urbana Spencer, 1969 | Giant spurge |
| Phytomyza (Phytomyza) varipes Macquart, 1835 | Cretan bryony |
| Phytomyza (Phytomyza) vomitoriae Kulp, 1968 | Ione buckwheat |
| Phytomyza evanescens (Hendel, 1920) | ⇒ Napomyza evanescens Hendel, 1920 |
| Phytomyza hatfieldae Eiseman & Lo..., 2018 | |
| Phytomyza nigritula (Zetterstedt, 1838) | ⇒ Napomyza nigritula Zetterstedt, 1838 |
| Pseudonapomyza atra Meigen, 1830 | |
| Pseudonapomyza lacteipennis Malloch, 1913 | |
