| Chaetolonchaea americana Mcalpine, 1982 | |
| Chaetolonchaea pallipennis Zetterstedt, 1855 | |
| Dasiops aculeolus Mcalpine, 1964 | |
| Dasiops aerugifrons Mcalpine, 1964 | |
| Dasiops albiceps (Malloch, 1914) | ⇒ Dasiops trichosternalis Morge, 1959 |
| Dasiops aldrichi Mcalpine, 1964 | |
| Dasiops alveofrons Mcalpine, 1961 | |
| Dasiops anepsiosus Mcalpine, 1964 | |
| Dasiops argentarius Mcalpine, 1964 | |
| Dasiops argutus Mcalpine, 1964 | |
| Dasiops arkansensis Malloch, 1923 | |
| Dasiops belonidius Mcalpine, 1964 | |
| Dasiops borealis Mcalpine, 1964 | |
| Dasiops brunnealatus Mcalpine, 1964 | |
| Dasiops chaetiosus Mcalpine, 1964 | |
| Dasiops chillcotti Mcalpine, 1964 | |
| Dasiops criddlei Mcalpine, 1964 | |
| Dasiops discissus Mcalpine, 1964 | |
| Dasiops dreisbachi Mcalpine, 1964 | |
| Dasiops floridensis Mcalpine, 1964 | |
| Dasiops hastulatus Mcalpine, 1964 | |
| Dasiops latiterebrus Czerny, 1934 | |
| Dasiops lineellus Mcalpine, 1964 | |
| Dasiops neospatiosus Mcalpine, 1964 | |
| Dasiops nigropedis Mcalpine, 1964 | |
| Dasiops obscurus Coquillett, 1902 | |
| Dasiops passifloris Mcalpine, 1964 | |
| Dasiops penealbiceps Mcalpine, 1964 | |
| Dasiops pilonotus Mcalpine, 1964 | |
| Dasiops profusus Mcalpine, 1964 | |
| Dasiops quadrisetosus Malloch, 1914 | |
| Dasiops relictus Mcalpine, 1964 | |
| Dasiops shewelli Mcalpine, 1964 | |
| Dasiops sicatus Mcalpine, 1964 | |
| Dasiops subulatus Mcalpine, 1964 | |
| Dasiops trichosternalis Morge, 1959 | |
| Dasiops velvetus Mcalpine, 1964 | |
| Dasiops vibrissatus Malloch, 1914 | |
| Dasiops villiplatus Mcalpine, 1964 | |
| Earomyia aberrans Malloch, 1920 | |
| Earomyia abietum Mcalpine, 1956 | Fir seed maggot |
| Earomyia aquilonia Mcalpine, 1956 | Richardson's bittercress |
| Earomyia aterrima Malloch, 1920 | |
| Earomyia barbara Mcalpine, 1956 | Richardson's bittercress |
| Earomyia brevistylata Mcalpine, 1956 | Richardson's bittercress |
| Earomyia hirtithorax Aldrich, 1925 | |
| Earomyia longistylata Mcalpine, 1956 | Richardson's bittercress |
| Fulgenta plumosa MacGowan, 2017 | |
| Lamprolonchaea smaragdi Walker, 1849 | Lance fly |
| Lonchaea affinis Malloch, 1920 | |
| Lonchaea aithohirta Mcalpine, 1964 | Woodland bittercress |
| Lonchaea alameda Mcalpine, 1964 | Woodland bittercress |
| Lonchaea albidala Mcalpine, 1964 | Woodland bittercress |
| Lonchaea angustitarsis Malloch, 1920 | |
| Lonchaea atraposa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea atritarsis Malloch, 1923 | Laysan bur cucumber |
| Lonchaea auranticornis Mcalpine, 1964 | Woodland bittercress |
| Lonchaea baliola Mcalpine, 1964 | Woodland bittercress |
| Lonchaea caerulea Walker, 1849 | Largeflower milkweed |
| Lonchaea chorea Fabricius, 1781 | |
| Lonchaea collini Hackman, 1956 | |
| Lonchaea coloradensis Malloch, 1923 | Laysan bur cucumber |
| Lonchaea comitata Mcalpine, 1964 | Woodland bittercress |
| Lonchaea corticis Taylor, 1928 | |
| Lonchaea cristula Mcalpine, 1964 | Woodland bittercress |
| Lonchaea defecta Mcalpine, 1964 | Woodland bittercress |
| Lonchaea deleoni Mcalpine, 1964 | Woodland bittercress |
| Lonchaea didymosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea dunni Mcalpine, 1964 | Woodland bittercress |
| Lonchaea earomyoides Mcalpine, 1964 | Woodland bittercress |
| Lonchaea flavipedulis Mcalpine, 1964 | Woodland bittercress |
| Lonchaea flavipennis (Morge, 1959) | ⇒ Setisquamalonchaea fumosa Egger, 1862 |
| Lonchaea flemingi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea foxleei Mcalpine, 1964 | Woodland bittercress |
| Lonchaea fulvicornis Bigot, 1881 | |
| Lonchaea furnissi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea hesperia Mcalpine, 1964 | Woodland bittercress |
| Lonchaea heterosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea hirta Malloch, 1920 | |
| Lonchaea hoppingi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea ignicornis Mcalpine, 1964 | Woodland bittercress |
| Lonchaea ipsiphaga Mcalpine, 1964 | Woodland bittercress |
| Lonchaea johnseyi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea ketiosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea lambiana Bezzi, 1918 | |
| Lonchaea languida Mcalpine, 1964 | Woodland bittercress |
| Lonchaea laxa Collin, 1953 | |
| Lonchaea leviscuta Mcalpine, 1964 | Woodland bittercress |
| Lonchaea lineola Mcalpine, 1964 | Woodland bittercress |
| Lonchaea longicornis (Williston, 1896) | ⇒ Lonchaea lambiana Bezzi, 1918 |
| Lonchaea luctuosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea luteala Mcalpine, 1964 | Woodland bittercress |
| Lonchaea maniola Mcalpine, 1964 | Woodland bittercress |
| Lonchaea martini Mcalpine, 1964 | Woodland bittercress |
| Lonchaea marylandica Malloch, 1923 | Laysan bur cucumber |
| Lonchaea micula Mcalpine, 1964 | Woodland bittercress |
| Lonchaea nanella Mcalpine, 1964 | Woodland bittercress |
| Lonchaea neatosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea nexosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea nigrociliata Malloch, 1920 | |
| Lonchaea nimiseta Mcalpine, 1964 | Woodland bittercress |
| Lonchaea nudifemorata Malloch, 1914 | Gray's bur cucumber |
| Lonchaea oreadis Mcalpine, 1964 | Woodland bittercress |
| Lonchaea perfidia Mcalpine, 1964 | Woodland bittercress |
| Lonchaea pleuriseta Malloch, 1920 | |
| Lonchaea polita Say, 1830 | Lance fly |
| Lonchaea populnea Mcalpine, 1964 | Woodland bittercress |
| Lonchaea pusillula Mcalpine, 1964 | Woodland bittercress |
| Lonchaea reidi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea relaxa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea ruficornis (Malloch, 1920) | ⇒ Lonchaea fulvicornis Bigot, 1881 |
| Lonchaea setapleura Mcalpine, 1964 | Woodland bittercress |
| Lonchaea silvula Mcalpine, 1964 | Woodland bittercress |
| Lonchaea simulata Mcalpine, 1964 | Woodland bittercress |
| Lonchaea striatifrons (Malloch, 1920) | ⇒ Lonchaea urubambana Hennig, 1948 |
| Lonchaea subhirta Mcalpine, 1964 | Woodland bittercress |
| Lonchaea tanypilosa Mcalpine, 1964 | Woodland bittercress |
| Lonchaea trinalis Mcalpine, 1964 | Woodland bittercress |
| Lonchaea triplaris Mcalpine, 1964 | Woodland bittercress |
| Lonchaea ursina Malloch, 1920 | |
| Lonchaea urubambana Hennig, 1948 | |
| Lonchaea vockerothi Mcalpine, 1964 | Woodland bittercress |
| Lonchaea watsoni Curran, 1926 | |
| Lonchaea winnemanae Malloch, 1914 | Gray's bur cucumber |
| Lonchaea zetterstedti (Becker, 1902) | ⇒ Lonchaea collini Hackman, 1956 |
| Mastigimas ernstii Schwarz, 1899 | |
| Neosilba nigrocaerulea Malloch, 1920 | |
| Neosilba perezi Romero & Ruppel, 1973 | Bailey's acacia |
| Protearomyia cordillerensis Mcalpine, 1983 | |
| Protearomyia martinia Mcalpine, 1983 | |
| Protearomyia trichopleura Mcalpine, 1983 | |
| Setisquamalonchaea fumosa Egger, 1862 | |
