| Brontaea ascendens Stein, 1915 | |
| Brontaea nigrogrisea Karl, 1939 | |
| Brontaea quadristigma Thomson, 1869 | |
| Brontaea ruficornis Malloch, 1923 | |
| Brontaea subtilis Stein, 1909 | |
| Helina abiens Stein, 1898 | |
| Helina algonquina Malloch, 1922 | |
| Helina annosa Zetterstedt, 1838 | |
| Helina barpana Walker, 1849 | |
| Helina bicolorata Malloch, 1919 | |
| Helina bispinosa Malloch, 1920 | |
| Helina bohemani Ringdahl, 1916 | |
| Helina canadensis Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina cinerella Wulp, 1867 | |
| Helina consimilata Malloch, 1920 | |
| Helina cothurnata Rondani, 1866 | |
| Helina cruciata Snyder, 1941 | Larch dwarf mistletoe |
| Helina evecta Harris, 1780 | Muscid fly |
| Helina exilis Stein, 1920 | |
| Helina flavisquama Zetterstedt, 1849 | |
| Helina floridensis Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina fulvisquama (Zetterstedt, 1845) | ⇒ Helina fulvocalyptrata Malloch, 1934 |
| Helina fulvocalyptrata Malloch, 1934 | |
| Helina garretti Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina griseogaster Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina humilis Stein, 1920 | |
| Helina johnsoni Malloch, 1920 | |
| Helina keremeosa Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina lasiosterna Snyder, 1941 | Larch dwarf mistletoe |
| Helina laxifrons Zetterstedt, 1860 | |
| Helina linearis Malloch, 1920 | |
| Helina longicornis Zetterstedt, 1838 | |
| Helina luteisquama Zetterstedt, 1845 | |
| Helina maculipennis Zetterstedt, 1845 | |
| Helina marguerita Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina moedlingensis Schnabl, 1911 | |
| Helina montana Rondani, 1866 | |
| Helina mulcata Giglio-Tos, 1898 | |
| Helina multiseriata Malloch, 1922 | |
| Helina nigribasis Malloch, 1920 | |
| Helina nigripennis Walker, 1849 | |
| Helina nigrita Malloch, 1920 | |
| Helina nudibasis Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina obscurata Meigen, 1826 | |
| Helina obscuratoides Schnabl, 1887 | |
| Helina obscurinervis Stein, 1898 | |
| Helina orbitaseta Stein, 1898 | |
| Helina oregonensis Malloch, 1919 | |
| Helina pectinata Johannsen, 1916 | |
| Helina platykarenos Huckett, 1966 | Blackjack oak |
| Helina polychaeta Huckett, 1966 | Blackjack oak |
| Helina procedens Walker, 1861 | |
| Helina punctata (Robineau-Des..., 1830) | ⇒ Helina sexmaculata Preyssler, 1791 |
| Helina reversio Harris, 1780 | |
| Helina rufitibia Stein, 1898 | |
| Helina setifer Huckett, 1965 | |
| Helina sexmaculata Preyssler, 1791 | |
| Helina snyderi Steyskal, 1966 | Bigpod ceanothus |
| Helina spinicosta Zetterstedt, 1845 | |
| Helina spinilamellata Malloch, 1920 | |
| Helina spinosa Walker, 1849 | |
| Helina spuria Malloch, 1920 | |
| Helina squalens Zetterstedt, 1838 | |
| Helina subrittata Seguy, 1923 | |
| Helina subvittata Seguy, 1923 | Piper's evening primrose |
| Helina toga Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina troene Walker, 1849 | |
| Helina ute Snyder, 1949 | Digger pine dwarf mistletoe |
| Helina villihumilis Snyder, 1949 | Digger pine dwarf mistletoe |
| Lophosceles alaskensis Malloch, 1923 | |
| Lophosceles cinereiventris Zetterstedt, 1845 | |
| Lophosceles frenata Holmgren, 1872 | |
| Lophosceles hians Zetterstedt, 1838 | Narrowflower flaxflower |
| Lophosceles minima Malloch, 1919 | |
| Phaonia aberrans Malloch, 1919 | |
| Phaonia albocalyptrata Malloch, 1920 | |
| Phaonia alpicola Zetterstedt, 1845 | |
| Phaonia alticola Malloch, 1923 | Laysan bur cucumber |
| Phaonia antennalis Huckett, 1966 | Blackjack oak |
| Phaonia apicalis Stein, 1914 | Scented croton |
| Phaonia apicata Johannsen, 1916 | Baby sun-rose |
| Phaonia apta (Stein, 1920) | ⇒ Phaonia winnemanae Malloch, 1919 |
| Phaonia asierrans Zinovjev, 1981 | |
| Phaonia atlanis Malloch, 1923 | Laysan bur cucumber |
| Phaonia atrocitrea Malloch, 1923 | Laysan bur cucumber |
| Phaonia atrocyanea Ringdahl, 1916 | Narrowleaf crimson clover |
| Phaonia aurea Malloch, 1923 | Laysan bur cucumber |
| Phaonia azygos Malloch, 1923 | Laysan bur cucumber |
| Phaonia basiseta Malloch, 1920 | |
| Phaonia bidentata Ringdahl, 1933 | Notchleaf clover |
| Phaonia brevispina Malloch, 1923 | Laysan bur cucumber |
| Phaonia bysia Walker, 1849 | |
| Phaonia caerulescens Stein, 1898 | |
| Phaonia californiensis Malloch, 1923 | |
| Phaonia cauta Huckett, 1972 | Dwarf live oak |
| Phaonia consobrina Zetterstedt, 1838 | |
| Phaonia coriatlanis Huckett, 1966 | Blackjack oak |
| Phaonia curvinervis Malloch, 1923 | Laysan bur cucumber |
| Phaonia curvipes Stein, 1920 | |
| Phaonia deleta Stein, 1898 | |
| Phaonia diruta Stein, 1898 | |
| Phaonia dissimilis Malloch, 1923 | Laysan bur cucumber |
| Phaonia errans Meigen, 1826 | |
| Phaonia fausta Huckett, 1965 | |
| Phaonia flava Stein, 1920 | Wild marrow |
| Phaonia flavibasis Malloch, 1919 | |
| Phaonia flavitibia Johannsen, 1916 | |
| Phaonia fraterna Malloch, 1923 | Laysan bur cucumber |
| Phaonia fuscana Huckett, 1965 | |
| Phaonia fuscata Fallen, 1825 | |
| Phaonia fuscicauda Malloch, 1918 | 'anunu |
| Phaonia harti Malloch, 1923 | Laysan bur cucumber |
| Phaonia hybrida Schnabl, 1888 | |
| Phaonia imitatrix Malloch, 1919 | |
| Phaonia inenarrabilis Huckett, 1965 | |
| Phaonia laeta Fallen, 1823 | |
| Phaonia laticornis Malloch, 1923 | Laysan bur cucumber |
| Phaonia limbinervis Stein, 1918 | Wiggins' croton |
| Phaonia lugubris Meigen, 1826 | |
| Phaonia magnicornis Zetterstedt, 1845 | |
| Phaonia marylandica Malloch, 1923 | Laysan bur cucumber |
| Phaonia monticola Malloch, 1918 | 'anunu |
| Phaonia morio (Zetterstedt, 1845) | ⇒ Phaonia lugubris Meigen, 1826 |
| Phaonia mystica Meigen, 1826 | |
| Phaonia neglecta Huckett, 1966 | Blackjack oak |
| Phaonia nigricans Johannsen, 1916 | Baby sun-rose |
| Phaonia nigricauda Malloch, 1918 | 'anunu |
| Phaonia nigropolita Malloch, 1919 | |
| Phaonia pallidisquama Zetterstedt, 1849 | |
| Phaonia pallidosa Huckett, 1965 | |
| Phaonia pallidula Coquillett, 1902 | |
| Phaonia palpata Stein, 1897 | |
| Phaonia parviceps Malloch, 1918 | 'anunu |
| Phaonia peregrinans Huckett, 1965 | |
| Phaonia perfida Stein, 1920 | Wild marrow |
| Phaonia picealis Huckett, 1965 | |
| Phaonia pratensis Robineau-Des..., 1830 | Fourleaf vetch |
| Phaonia prisca Stein, 1920 | Wild marrow |
| Phaonia protuberans Malloch, 1923 | Laysan bur cucumber |
| Phaonia proxima Wulp, 1869 | |
| Phaonia pruinosa Macquart, 1846 | |
| Phaonia pudoa Hall, 1937 | |
| Phaonia pulvillata Stein, 1904 | |
| Phaonia quieta Stein, 1920 | Wild marrow |
| Phaonia reclusa Huckett, 1966 | Blackjack oak |
| Phaonia reflecta Huckett, 1966 | Blackjack oak |
| Phaonia reversa Huckett, 1966 | Blackjack oak |
| Phaonia rufibasis Malloch, 1919 | |
| Phaonia rugia Walker, 1849 | |
| Phaonia savonoskii Malloch, 1923 | Laysan bur cucumber |
| Phaonia serva Meigen, 1826 | |
| Phaonia sobriana Huckett, 1966 | Blackjack oak |
| Phaonia soccata Walker, 1849 | |
| Phaonia striata Stein, 1898 | |
| Phaonia subfusca Malloch, 1923 | Laysan bur cucumber |
| Phaonia subfuscinervis Zetterstedt, 1838 | |
| Phaonia tenebriona Huckett, 1965 | |
| Phaonia texensis Malloch, 1923 | Laysan bur cucumber |
| Phaonia tipulivora Malloch, 1923 | Laysan bur cucumber |
| Phaonia trivialis Malloch, 1923 | Laysan bur cucumber |
| Phaonia uniseriata Malloch, 1923 | Laysan bur cucumber |
| Phaonia versicolor Stein, 1920 | Wild marrow |
| Phaonia villana Robineau-Des..., 1830 | |
| Phaonia vulgaris Shinonaga & ..., 1971 | |
| Phaonia winnemanae Malloch, 1919 | |
| Plexiopsis insolens Huckett, 1966 | Blackjack oak |
