| Acrochaeta fasciata Wiedemann, 1830 | Shortstalk false bindweed |
| Acrochaeta flaveola Bigot, 1879 | |
| Acrochaeta mexicana Lindner, 1949 | |
| Cephalochrysa canadensis Curran, 1927 | |
| Cephalochrysa hovas Bigot, 1859 | Soldier fly |
| Cephalochrysa maxima Bezzi, 1928 | Soldier fly |
| Cephalochrysa nigricornis Loew, 1866 | |
| Cephalochrysa rufibasis Walker, 1860 | |
| Cephalochrysa similis James, 1936 | |
| Cephalochrysa texanus Melander, 1904 | |
| Chloromyia formosa Scopoli, 1763 | Broad centurion |
| Chloromyia speciosa Macquart, 1834 | |
| Himantigera nigrifemorata Macquart, 1847 | |
| Himantigera silvestris McFadden, 1982 | Rocky Mountain draba |
| Lobisquama barbata James, 1982 | |
| Merosargus abana Curran, 1932 | |
| Merosargus akrei James & McFa..., 1971 | |
| Merosargus albidus James & McFa..., 1971 | Austrian draba |
| Merosargus albifacies James, 1941 | |
| Merosargus alticola McFadden, 1971 | Austrian draba |
| Merosargus angulatus McFadden, 1971 | Austrian draba |
| Merosargus anticus Curran, 1932 | |
| Merosargus atriannulatus McFadden, 1971 | Austrian draba |
| Merosargus beameri James, 1941 | |
| Merosargus brunnipes McFadden, 1971 | Austrian draba |
| Merosargus bulbifrons Williston, 1900 | Lidpod |
| Merosargus caeruleifrons Johnson, 1900 | |
| Merosargus caerulifrons Johnson, 1900 | |
| Merosargus calceolatus Bigot, 1879 | |
| Merosargus concinnatus Williston, 1900 | Lidpod |
| Merosargus convexifrons McFadden, 1971 | Austrian draba |
| Merosargus coriaceus Giglio-Tos, 1891 | Sand spikemoss |
| Merosargus cyaneoscutellatus Enderlein, 1914 | |
| Merosargus dissimilis Giglio-Tos, 1891 | Sand spikemoss |
| Merosargus elatus Curran, 1932 | |
| Merosargus flaviceps McFadden, 1971 | Austrian draba |
| Merosargus fraternus Bigot, 1879 | |
| Merosargus hyalopterus Giglio-Tos, 1891 | Sand spikemoss |
| Merosargus irwini James & McFa..., 1971 | |
| Merosargus longipes McFadden, 1971 | Austrian draba |
| Merosargus lyricus James & McFa..., 1971 | |
| Merosargus megalopyge James, 1971 | |
| Merosargus melanothorax McFadden, 1971 | Austrian draba |
| Merosargus orizabae Giglio-Tos, 1891 | Sand spikemoss |
| Merosargus pallidus McFadden, 1971 | Austrian draba |
| Merosargus par Curran, 1932 | |
| Merosargus robustus McFadden, 1971 | Austrian draba |
| Merosargus scrobiculus McFadden, 1971 | Austrian draba |
| Merosargus sexmaculatus McFadden, 1971 | Austrian draba |
| Merosargus smaragdiferus Bigot, 1879 | |
| Merosargus spatulatus Williston, 1900 | |
| Merosargus subinterruptus Bellardi, 1859 | |
| Merosargus transversus McFadden, 1971 | Austrian draba |
| Merosargus triangulatus McFadden, 1971 | Austrian draba |
| Merosargus ventralis McFadden, 1971 | Austrian draba |
| Merosargus viridis McFadden, 1971 | Austrian draba |
| Microchrysa bicolor Wiedemann, 1830 | |
| Microchrysa cyaneiventris Zetterstedt, 1842 | Black gem |
| Microchrysa flavicornis Meigen, 1822 | Green gem |
| Microchrysa flaviventris Wiedemann, 1824 | Soldier fly |
| Microchrysa latifrons Williston, 1900 | |
| Microchrysa nova Giglio-Tos, 1891 | Sand spikemoss |
| Microchrysa obscuriventris McFadden, 1982 | Rocky Mountain draba |
| Microchrysa polita Linnaeus, 1758 | Black-horned gem |
| Ptecticus alticola McFadden, 1982 | Rocky Mountain draba |
| Ptecticus briani McFadden, 1982 | Rocky Mountain draba |
| Ptecticus comstocki McFadden, 1982 | Rocky Mountain draba |
| Ptecticus concinnus Williston, 1900 | Lidpod |
| Ptecticus confusus McFadden, 1982 | Rocky Mountain draba |
| Ptecticus evansi McFadden, 1982 | Rocky Mountain draba |
| Ptecticus figlinus Osten Sacken, 1886 | Kellogg's hawthorn |
| Ptecticus flaviceps Bigot, 1879 | |
| Ptecticus furcatus McFadden, 1982 | Rocky Mountain draba |
| Ptecticus fuscipennis McFadden, 1982 | Rocky Mountain draba |
| Ptecticus gigliotosi McFadden, 1971 | Austrian draba |
| Ptecticus hansoni James, 1982 | |
| Ptecticus immaculatus McFadden, 1982 | Rocky Mountain draba |
| Ptecticus jamesi McFadden, 1982 | Rocky Mountain draba |
| Ptecticus linearis McFadden, 1982 | Rocky Mountain draba |
| Ptecticus maculatus Williston, 1900 | Lidpod |
| Ptecticus melanothorax (McFadden, 1971) | ⇒ Ptecticus furcatus McFadden, 1982 |
| Ptecticus mexicanus James, 1982 | |
| Ptecticus nigrifrons Enderlein, 1914 | |
| Ptecticus nigritarsis (McFadden, 1971) | ⇒ Ptecticus posticus Wiedemann, 1830 |
| Ptecticus petersoni McFadden, 1982 | Rocky Mountain draba |
| Ptecticus sackenii Williston, 1885 | Pineland clustervine |
| Ptecticus septentrionalis McFadden, 1982 | Rocky Mountain draba |
| Ptecticus simplex James, 1982 | |
| Ptecticus spatulatus McFadden, 1982 | Rocky Mountain draba |
| Ptecticus trivittatus (Say, 1829) | ⇒ Ptecticus gigliotosi McFadden, 1971 |
| Ptecticus trivittatus melanopus James, 1941 | |
| Sargus ambassis Günther, 1859 | |
| Sargus atrobasis James, 1941 | |
| Sargus aureopilosus McFadden, 1982 | Rocky Mountain draba |
| Sargus bipunctata Scopoli, 1763 | |
| Sargus bipunctatus Scopoli, 1763 | Twin-spot centurion |
| Sargus caerulea | |
| Sargus caeruleapex McFadden, 1982 | Rocky Mountain draba |
| Sargus cirrhosus McFadden, 1982 | Rocky Mountain draba |
| Sargus clavatus Walker, 1854 | Nodding milkweed |
| Sargus cupraria Linnaeus, 1758 | |
| Sargus cuprarius Linnaeus, 1758 | Clouded centurion |
| Sargus decorus Say, 1824 | |
| Sargus dorsalis (Say, 1824) | ⇒ Allognosta fuscitarsis Say, 1823 |
| Sargus elegans Loew, 1866 | Scarlet globemallow |
| Sargus elongatulus McFadden, 1982 | Rocky Mountain draba |
| Sargus evansi McFadden, 1982 | Rocky Mountain draba |
| Sargus fasciatus Fabricius, 1805 | |
| Sargus flavilatus James, 1973 | |
| Sargus flavipes Meigen, 1822 | Western bog yellowcress |
| Sargus flavopilosus Bigot, 1879 | |
| Sargus iridatus Scopoli, 1763 | Iridescent centurion |
| Sargus latus Bellardi, 1859 | |
| Sargus linearis Walker, 1854 | Nodding milkweed |
| Sargus metallinus Fabricius, 1805 | |
| Sargus nigribarbis (Nartshuk & K..., 1984) | ⇒ Chloromyia speciosa Macquart, 1834 |
| Sargus pallipes (Meigen, 1830) | ⇒ Sargus metallinus Fabricius, 1805 |
| Sargus persimilis McFadden, 1982 | Rocky Mountain draba |
| Sargus petersoni McFadden, 1982 | Rocky Mountain draba |
| Sargus picticornis (Bigot, 1887) | ⇒ Sargus decorus Say, 1824 |
| Sargus punctatus McFadden, 1982 | Rocky Mountain draba |
| Sargus purpurea Walker, 1860 | |
| Sargus rufibasis (Bigot, 1879) | ⇒ Cephalochrysa rufibasis Walker, 1860 |
| Sargus speciosus Macquart, 1846 | Watermelon |
| Sargus splendens (Meigen, 1804) | ⇒ Microchrysa polita Linnaeus, 1758 |
| Sargus splendidus Brunetti, 1925 | |
| Sargus thoracicus Macquart, 1834 | White bryony |
| Sargus transversus McFadden, 1982 | Rocky Mountain draba |
| Sargus vetus ♰ T. D. A. Coc..., 1921 | |
| Sargus viridis Say, 1823 | |
| Sargus yerbabuena Woodley, 2001 | |
