| Adenostomocoris pintoi Schuh & Schw..., 2004 | |
| Adenostomocoris semiustus Van Duzee, 1915 | |
| Alepidiella heidemanni Poppius, 1914 | Bolander's milkvetch |
| Amblytylus brevicollis Fieber, 1858 | |
| Amblytylus nasutus Kirschbaum, 1856 | Plant bug |
| Americodema knighti Kerzhner & S..., 1998 | |
| Americodema nigrolineatum Knight, 1923 | |
| Arctostaphylocoris arizonensis Schuh & Schw..., 2004 | |
| Arctostaphylocoris manzanitae Knight, 1964 | |
| Arizonapsallus stonedahli Schuh, 2006 | |
| Asciodema inconspicua (Uhler, 1893) | ⇒ Brooksetta inconspicua Uhler, 1893 |
| Asciodema obsoleta Fieber, 1864 | Plant bug |
| Atomoscelis onusta Fieber, 1861 | |
| Atomoscelis onustus (Fieber, 1861) | ⇒ Atomoscelis onusta Fieber, 1861 |
| Atractotomus (Atractotomus) kolenatii Flor, 1860 | Plant bug |
| Atractotomus (Atractotomus) magnicornis Fallen, 1807 | Plant bug |
| Atractotomus magnicornis buenoi Knight, 1923 | |
| Atractotomus (Atractotomus) mali Meyer-Dür, 1843 | Apple brown bug |
| Atractotomus acaciae Knight, 1925 | Povertyweed |
| Atractotomus agrifoliae Stonedahl, 1990 | |
| Atractotomus albidicoxis Reuter, 1909 | Ornate lupine |
| Atractotomus arizonae Knight, 1968 | |
| Atractotomus atricolor Knight, 1923 | |
| Atractotomus balli Knight, 1931 | Boraxweed |
| Atractotomus cercocarpi Knight, 1931 | Boraxweed |
| Atractotomus cooperi Stonedahl, 1990 | |
| Atractotomus crataegi (Knight, 1931) | ⇒ Phoenicocoris crataegi Knight, 1931 |
| Atractotomus griseolus Reuter, 1909 | |
| Atractotomus hesperius (Reuter, 1909) | ⇒ Dacota hesperia Uhler, 1872 |
| Atractotomus miniatus Knight, 1926 | |
| Atractotomus nicholi Knight, 1968 | |
| Atractotomus ovatus Knight, 1926 | |
| Atractotomus polymorphae Stonedahl, 1990 | |
| Atractotomus prosopidis Knight, 1968 | |
| Atractotomus purshiae (Froeschner, 1963) | ⇒ Atractotomus balli Knight, 1931 |
| Atractotomus quercicola Stonedahl, 1990 | |
| Atractotomus quercinus Stonedahl, 1990 | |
| Atractotomus ramentum Stonedahl, 1990 | |
| Atractotomus reuteri Knight, 1931 | Boraxweed |
| Atractotomus rubidus Uhler, 1895 | |
| Atractotomus schwartzi Stonedahl, 1990 | |
| Atractotomus tuthilli Knight, 1968 | |
| Aurantiocoris cuneotinctus Van Duzee, 1915 | |
| Aurantiocoris purshiae Schuh & Schw..., 2004 | |
| Beamerella balius Froeschner, 1965 | |
| Beamerella personata Knight, 1959 | Tidalmarsh amaranth |
| Beamerella personatus (Knight, 1959) | ⇒ Beamerella personata Knight, 1959 |
| Beckocoris brendae Schuh, 2008 | |
| Beckocoris bullatus Knight, 1968 | |
| Beckocoris inventarium Schuh, 2008 | |
| Beckocoris laticephalis Knight, 1968 | Mat amaranth |
| Beckocoris laticephalus Knight, 1968 | |
| Beckocoris lattini Schuh, 2008 | |
| Bisulcopsallus croceguttatus Knight, 1964 | |
| Bisulcopsallus fulvipunctatus Knight, 1964 | |
| Bisulcopsallus fuscipunctatus Knight, 1964 | |
| Bisulcopsallus huachucae Knight, 1964 | |
| Bisulcopsallus pallidus Schuh, 2006 | |
| Bisulcopsallus polhemorum Schuh, 2006 | |
| Bisulcopsallus texanus Knight, 1964 | |
| Brachyarthrum limitatum Fieber, 1858 | |
| Brachyceratocoris nevadensis Knight, 1968 | Mat amaranth |
| Calidroides schaffneri Schwartz, 2005 | |
| Campylomma breviata Knight, 1938 | |
| Campylomma verbasci Meyer-Dür, 1843 | Mullein bug |
| Cariniocoris geminatus Knight, 1929 | |
| Cariniocoris ilicis Knight, 1925 | |
| Cariniocoris nyssae Henry, 1989 | |
| Ceratopsallus aquilonius Schuh, 2006 | |
| Ceratopsallus croceus Van Duzee, 1918 | |
| Ceratopsallus pantherinus Van Duzee, 1917 | |
| Ceratopsallus pintoi Schuh, 2006 | |
| Ceratopsallus plautus Schuh, 2006 | |
| Ceratopsallus quercicola Schuh, 2006 | |
| Ceratopsallus ribesi Knight, 1968 | |
| Ceratopsallus schwartzi Schuh, 2006 | |
| Ceratopsallus septentrionalis Schuh, 2006 | |
| Ceratopsallus vauqueliniae Schuh, 2006 | |
| Cercocarpopsallus bispinosus Schuh, 2006 | |
| Cercocarpopsallus gracilis Schuh, 2006 | |
| Chlamydatus (Attus) pulicarius Fallén, 1807 | |
| Chlamydatus (Attus) pullus Reuter, 1870 | |
| Chlamydatus (Chlamydatus) saltitans Fabricius, 1803 | |
| Chlamydatus (Euattus) pulicarius Fallen, 1807 | |
| Chlamydatus (Euattus) pullus Reuter, 1871 | |
| Chlamydatus (Eurymerocoris) allii V.G. Putshkov, 1959 | |
| Chlamydatus (Eurymerocoris) wilkinsoni Douglas & Scott, 1866 | |
| Chlamydatus arcuatus (Knight, 1964) | ⇒ Chlamydatus pulicarius Fallén, 1807 |
| Chlamydatus associatus Uhler, 1872 | Ragweed bug |
| Chlamydatus becki Knight, 1968 | Mat amaranth |
| Chlamydatus brevicornis Knight, 1964 | Sandhill amaranth |
| Chlamydatus californicus Schuh & Schw..., 2005 | |
| Chlamydatus fulvipes (Knight, 1964) | ⇒ Chlamydatus pullus Reuter, 1870 |
| Chlamydatus keltoni Schuh & Schw..., 2005 | |
| Chlamydatus manzanitae (Knight, 1964) | ⇒ Arctostaphylocoris manzanitae Knight, 1964 |
| Chlamydatus monilipes Van Duzee, 1921 | Howell's yampah |
| Chlamydatus montanus Knight, 1964 | Sandhill amaranth |
| Chlamydatus obliquus Uhler, 1893 | |
| Chlamydatus pallidicornis Knight, 1964 | Sandhill amaranth |
| Chlamydatus ruficornis Knight, 1959 | Tidalmarsh amaranth |
| Chlamydatus schuhi Knight, 1964 | Sandhill amaranth |
| Chlamydatus suavis Reuter, 1876 | |
| Chlamydatus uniformis Uhler, 1893 | |
| Chlamyopsallus lycii Schwartz, 2005 | |
| Compsidolon (Apsinthophylus) pumilum Jakovlev, 1876 | |
| Compsidolon (Coniortodes) salicellum Herrich-Scha..., 1841 | Plant bug |
| Conostethus americanus Knight, 1939 | Spinach |
| Conostethus griseus Douglas & Scott, 1870 | |
| Coquillettia ajo Knight, 1968 | Mat amaranth |
| Coquillettia albella Knight, 1968 | Mat amaranth |
| Coquillettia albertae Kelton, 1980 | |
| Coquillettia albiclava Knight, 1925 | Povertyweed |
| Coquillettia alpina Polhemus & P..., 1988 | |
| Coquillettia amoena Uhler, 1877 | |
| Coquillettia amoenus Uhler, 1877 | |
| Coquillettia attica Bliven, 1962 | |
| Coquillettia balli Knight, 1918 | Barilla |
| Coquillettia concava Wyniger, 2012 | |
| Coquillettia foxi Van Duzee, 1921 | Howell's yampah |
| Coquillettia gigantea Wyniger, 2012 | |
| Coquillettia granulata Knight, 1930 | Amargosa niterwort |
| Coquillettia impluviata Wyniger, 2012 | |
| Coquillettia insignis Uhler, 1890 | |
| Coquillettia jessiana Knight, 1927 | Small povertyweed |
| Coquillettia lactea Wyniger, 2012 | |
| Coquillettia laticeps Knight, 1927 | |
| Coquillettia luteiclava Knight, 1968 | Mat amaranth |
| Coquillettia mimetica Osborn, 1898 | Small povertyweed |
| Coquillettia mimetica floridana Knight, 1927 | |
| Coquillettia mimetica laticeps Knight, 1927 | |
| Coquillettia nicholi Knight, 1925 | Povertyweed |
| Coquillettia nigrithorax Knight, 1930 | Amargosa niterwort |
| Coquillettia obscura Wyniger, 2012 | |
| Coquillettia pergrandis Wyniger, 2012 | |
| Coquillettia perplexabilis Wyniger, 2012 | |
| Coquillettia polhemorum Wyniger, 2012 | |
| Coquillettia pseudoattica Wyniger, 2012 | |
| Coquillettia schuhi Wyniger, 2012 | |
| Coquillettia schwartzi Wyniger, 2012 | |
| Coquillettia soligena Bliven, 1962 | |
| Coquillettia thomasi Wyniger, 2012 | |
| Coquillettia venusta Wyniger, 2012 | |
| Coquillettia vicina Wyniger, 2012 | |
| Coquillettia virescens Knight, 1968 | Mat amaranth |
| Crassomiris anaticula Weirauch, 2006 | |
| Crassomiris fatisco Weirauch, 2006 | |
| Criocoris crassicornis Hahn, 1834 | |
| Criocoris saliens Reuter, 1876 | Salien Plant Bug |
| Cyrtopeltocoris ajo Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris albofasciatus Reuter, 1876 | Dwarf mountain lupine |
| Cyrtopeltocoris arizonae Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris balli Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris barberi Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris conicatus Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris gracilentis Knight, 1930 | Amargosa niterwort |
| Cyrtopeltocoris huachucae Knight, 1968 | Mat amaranth |
| Cyrtopeltocoris illini Knight, 1941 | |
| Cyrtopeltocoris oklahomae Knight, 1968 | Mat amaranth |
| Dacota (Dacota) hesperia Uhler, 1872 | Herbwilliam |
| Europiella albata (Knight, 1969) | ⇒ Europiella pilosula Uhler, 1893 |
| Europiella albipennis Fallen, 1829 | Plant bug |
| Europiella albipubescens (Knight, 1968) | ⇒ Knightopiella albipubescens Knight, 1968 |
| Europiella alpina Reuter, 1875 | |
| Europiella angulata Uhler, 1895 | |
| Europiella arizonae Knight, 1968 | Mat amaranth |
| Europiella artemisiae Becker, 1864 | |
| Europiella balli (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella basicornis (Knight, 1970) | ⇒ Europiella consors Uhler, 1895 |
| Europiella brevicornis (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella carvalhoi Schuh, 1995 | |
| Europiella consors Uhler, 1895 | |
| Europiella decolor Uhler, 1893 | |
| Europiella flavicornis (Knight, 1969) | ⇒ Europiella pilosula Uhler, 1893 |
| Europiella franseriae (Knight, 1969) | ⇒ Megalopsallus sparsus Van Duzee, 1918 |
| Europiella fuscicornis (Knight, 1969) | ⇒ Europiella consors Uhler, 1895 |
| Europiella grayiae (Knight, 1968) | ⇒ Megalopsallus nigrofemoratus Knight, 1968 |
| Europiella knowltoni (Knight, 1970) | ⇒ Megalopsallus knowltoni Knight, 1970 |
| Europiella lattini Schuh, 2004 | |
| Europiella lycii (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella montanae (Knight, 1968) | ⇒ Megalopsallus nigrofemoratus Knight, 1968 |
| Europiella monticola (Knight, 1970) | ⇒ Europiella consors Uhler, 1895 |
| Europiella morrisoni Schuh, 2004 | |
| Europiella multipunctipes (Knight, 1970) | ⇒ Megalopsallus sarcobati Knight, 1969 |
| Europiella nicholi (Knight, 1968) | ⇒ Megalopsallus nicholi Knight, 1968 |
| Europiella nigricornis Knight, 1968 | Mat amaranth |
| Europiella nigrofemoratus (Knight, 1968) | ⇒ Megalopsallus nigrofemoratus Knight, 1968 |
| Europiella pallida (Knight, 1969) | ⇒ Europiella pilosula Uhler, 1893 |
| Europiella pilosula Uhler, 1893 | |
| Europiella pintoi Schuh, 2004 | |
| Europiella psallus | |
| Europiella punctipes (Knight, 1968) | ⇒ Megalopsallus punctipes Knight, 1968 |
| Europiella rubricornis (Knight, 1968) | ⇒ Megalopsallus rubricornis Knight, 1968 |
| Europiella rufiventris (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella sarcobati (Knight, 1969) | ⇒ Megalopsallus sarcobati Knight, 1969 |
| Europiella signicornis Knight, 1969 | |
| Europiella similis Knight, 1969 | |
| Europiella stigmosa Uhler, 1893 | |
| Europiella stitti (Knight, 1968) | ⇒ Megalopsallus sparsus Van Duzee, 1918 |
| Europiella umbrina (Reuter, 1909) | ⇒ Europiella stigmosus Uhler, 1893 |
| Europiella unipuncta Knight, 1968 | Mat amaranth |
| Europiella viridiventris (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella yampae Knight, 1968 | Mat amaranth |
| Galbinocoris caepa Weirauch, 2006 | |
| Gonoporomiris mirificus Distant, 1893 | |
| Guentherocoris atritibialis Knight, 1930 | |
| Hallodapus rufescens Burmeister, 1835 | |
| Hamatophylus guttulosus Reuter, 1876 | |
| Hambletoniola antennata Carvalho, 1954 | |
| Harpocera thoracica Fallen, 1807 | |
| Hoplomachidea consors Uhler, 1893 | |
| Hoplomachus affiguratus Uhler, 1895 | |
| Hoplomachus consors (Uhler, 1893) | ⇒ Hoplomachidea consors Uhler, 1893 |
| Hoplomachus thunbergii Fallen, 1807 | |
| Hyalopsallus diaphanus Reuter, 1907 | Plant bug |
| Icodema nigrolineatum (Knight, 1923) | ⇒ Americodema nigrolineatum Knight, 1923 |
| Insulaphylus cruz Weirauch, 2006 | |
| Insulaphylus meridianus Weirauch, 2006 | |
| Izyaius sericeus Heidemann, 1892 | |
| Keltonia balli Knight, 1926 | |
| Keltonia clinopodii Kelton, 1966 | |
| Keltonia fuscipunctata (Knight, 1966) | ⇒ Keltonia sulphureus Reuter, 1907 |
| Keltonia pallida Henry, 1991 | |
| Keltonia robusta Henry, 1991 | |
| Keltonia rubrofemorata Knight, 1966 | |
| Keltonia sulphurea Reuter, 1907 | |
| Keltonia sulphureus Reuter, 1907 | |
| Keltonia tuckeri Poppius, 1911 | |
| Keltonia wheeleri Henry, 2002 | |
| Knightomiroides contortae Stonedahl & ..., 1996 | |
| Knightomiroides nigrovirgatus Knight, 1930 | |
| Knightomiroides ponderosae Stonedahl & ..., 1996 | |
| Knightopiella albipubescens Knight, 1968 | |
| Knightopsallus portalensis Schuh, 2006 | |
| Larinocerus balius Froeschner, 1965 | |
| Larinocerus personatus Knight, 1959 | |
| Lepidargyrus ancorifer Fieber, 1858 | Plant bug |
| Lepidopsallus arizonae (Knight, 1968) | ⇒ Atractotomus arizonae Knight, 1968 |
| Lepidopsallus californicus (Knight, 1968) | ⇒ Atractotomus balli Knight, 1931 |
| Lepidopsallus claricornis (Knight, 1923) | ⇒ Phoenicocoris claricornis Knight, 1923 |
| Lepidopsallus hesperus (Knight, 1968) | ⇒ Phoenicocoris hesperus Knight, 1968 |
| Lepidopsallus longirostris (Knight, 1968) | ⇒ Phoenicocoris longirostris Knight, 1968 |
| Lepidopsallus miniatus (Knight, 1926) | ⇒ Atractotomus miniatus Knight, 1926 |
| Lepidopsallus minusculus (Knight, 1923) | ⇒ Phoenicocoris minusculus Knight, 1923 |
| Lepidopsallus monticola (Knight, 1968) | ⇒ Atractotomus albidicoxis Reuter, 1909 |
| Lepidopsallus nicholi (Knight, 1968) | ⇒ Atractotomus ovatus Knight, 1926 |
| Lepidopsallus olseni (Knight, 1923) | ⇒ Phoenicocoris rostratus Knight, 1923 |
| Lepidopsallus ovatus Knight, 1925 | Povertyweed |
| Lepidopsallus pini (Knight, 1968) | ⇒ Pinomiris knighti Kerzhner & S..., 1995 |
| Lepidopsallus rostratus (Knight, 1923) | ⇒ Phoenicocoris rostratus Knight, 1923 |
| Lepidopsallus rubidus (Uhler, 1895) | ⇒ Atractotomus rubidus Uhler, 1895 |
| Lepidopsallus tuthilli (Knight, 1968) | ⇒ Atractotomus tuthilli Knight, 1968 |
| Leutiola ajo Knight, 1968 | |
| Leutiola mapa Wyniger, 2012 | |
| Lindbergopsallus hyperici Lindberg, 1953 | |
| Lineatopsallus biguttulatus Uhler, 1894 | |
| Lineatopsallus slateri Henry, 1991 | |
| Lopus decolor Fallen, 1807 | Plant Bug |
| Macrotylus (Alloeonycha) paykullii Fallen, 1807 | |
| Macrotylus amoenus Reuter, 1909 | Ornate lupine |
| Macrotylus angularis (Uhler, 1894) | ⇒ Pseudopsallus angularis Uhler, 1894 |
| Macrotylus dorsalis Van Duzee, 1916 | California yampah |
| Macrotylus essigi Van Duzee, 1916 | California yampah |
| Macrotylus geminus Knight, 1925 | Povertyweed |
| Macrotylus infuscatus Van Duzee, 1917 | Red-root yampah |
| Macrotylus intermedius Van Duzee, 1917 | Red-root yampah |
| Macrotylus lineolatus Uhler, 1894 | Goutweed |
| Macrotylus multipunctatus Van Duzee, 1916 | California yampah |
| Macrotylus polymonii Knight, 1932 | Black greasewood |
| Macrotylus regalis Uhler, 1890 | |
| Macrotylus salviae Uhler, 1890 | |
| Macrotylus shelabenae Schwartz & S..., 2003 | |
| Macrotylus tristis Uhler, 1890 | |
| Macrotylus vanduzeei Knight, 1932 | Black greasewood |
| Macrotylus vestitus (Uhler, 1890) | ⇒ Melanotrichus vestitus Uhler, 1890 |
| Maculamiris baja Weirauch, 2006 | |
| Maculamiris insulanus Weirauch, 2006 | |
| Megalocoleus molliculus Fallen, 1807 | Plant bug |
| Megalocoleus tanaceti Fallen, 1807 | |
| Megalopsallus adustus (Knight, 1927) | ⇒ Megalopsallus brittoni Knight, 1927 |
| Megalopsallus atriplicis Knight, 1927 | Small povertyweed |
| Megalopsallus brendae Schuh, 2000 | |
| Megalopsallus brittoni Knight, 1927 | Small povertyweed |
| Megalopsallus californicus Schuh, 2000 | |
| Megalopsallus ellae Schuh & Schw..., 2004 | |
| Megalopsallus ephedrae Knight, 1968 | |
| Megalopsallus ephedrellus Schuh, 2000 | |
| Megalopsallus femoralis Kelton, 1980 | |
| Megalopsallus flammeus Schuh, 2000 | |
| Megalopsallus froeschneri Schuh, 1986 | |
| Megalopsallus humeralis Van Duzee, 1923 | |
| Megalopsallus knowltoni Knight, 1970 | |
| Megalopsallus latifrons Knight, 1927 | Small povertyweed |
| Megalopsallus marmoratus Knight, 1968 | Mat amaranth |
| Megalopsallus nicholi Knight, 1968 | |
| Megalopsallus nigricaput Schuh, 2000 | |
| Megalopsallus nigrofemoratus Knight, 1968 | |
| Megalopsallus nuperus Van Duzee, 1923 | |
| Megalopsallus pallidus Knight, 1968 | |
| Megalopsallus pallipes Knight, 1968 | |
| Megalopsallus parapunctipes Schuh, 2000 | |
| Megalopsallus pictipes Van Duzee, 1918 | |
| Megalopsallus punctatus Schuh, 2000 | |
| Megalopsallus punctipes Knight, 1968 | |
| Megalopsallus rubricornis Knight, 1968 | |
| Megalopsallus rubropictipes Knight, 1927 | Small povertyweed |
| Megalopsallus sarcobati Knight, 1969 | |
| Megalopsallus schwartzi Schuh, 2000 | |
| Megalopsallus sparsus Van Duzee, 1918 | |
| Megalopsallus teretis Schuh, 2000 | |
| Merinocapsus ephedrae (Knight, 1968) | ⇒ Megalopsallus ephedrae Knight, 1968 |
| Microphylellus adustus (Knight, 1929) | ⇒ Reuteroscopus falcatus Van Duzee, 1917 |
| Microphylellus adustus binotatus (Knight, 1929) | ⇒ Reuteroscopus falcatus Van Duzee, 1917 |
| Microphylellus brevicornis (Knight, 1929) | ⇒ Plagiognathus brevicornis Knight, 1929 |
| Microphylellus elongatus (Knight, 1923) | ⇒ Plagiognathus flavipes Provancher, 1872 |
| Microphylellus flavicollis (Knight, 1929) | ⇒ Tuxedo flavicollis Knight, 1929 |
| Microphylellus longirostris (Knight, 1923) | ⇒ Plagiognathus longirostris Knight, 1923 |
| Microphylellus maculipennis (Knight, 1923) | ⇒ Plagiognathus maculipennis Knight, 1923 |
| Microphylellus mineus (Knight, 1929) | ⇒ Plagiognathus mineus Knight, 1929 |
| Microphylellus minor (Knight, 1929) | ⇒ Tuxedo bicinctus Van Duzee, 1914 |
| Microphylellus minuendus (Knight, 1927) | ⇒ Plagiognathus minuendus Knight, 1927 |
| Microphylellus nicholi (Knight, 1929) | ⇒ Tuxedo nicholi Knight, 1929 |
| Microphylellus nigricornis (Knight, 1923) | ⇒ Plagiognathus flavipes Provancher, 1872 |
| Microphylellus symphoricarpi (Knight, 1968) | ⇒ Plagiognathus fulvaceus Knight, 1964 |
| Microphylellus tsugae (Knight, 1923) | ⇒ Plagiognathus tsugae Knight, 1923 |
| Microphylidea pallens Knight, 1968 | Mat amaranth |
| Microphylidea prosopidis (Knight, 1968) | ⇒ Atractotomus prosopidis Knight, 1968 |
| Mineocapsus minimus Knight, 1972 | |
| Monosynamma bohemanni Fallen, 1829 | |
| Monosynamma maritima Wagner, 1947 | |
| Neopsallus powelli Schuh & Schw..., 2004 | |
| Nevadocoris becki Knight, 1968 | Mat amaranth |
| Nevadocoris bullatus Knight, 1968 | Mat amaranth |
| Nevadocoris lattini Schuh, 2008 | |
| Nevadocoris pallidus (Knight, 1968) | ⇒ Megalopsallus pallidus Knight, 1968 |
| Nevadocoris tetradymii Schuh, 2008 | |
| Nicholia eriogoni Knight, 1929 | Niterwort |
| Occidentodema clypealis Henry, 2000 | |
| Occidentodema mcfarlandi Henry, 2000 | |
| Occidentodema polhemusi Henry, 2000 | |
| Oligotylus brevitylus Slater & Knight, 1954 | |
| Oligotylus carneatus Knight, 1930 | |
| Oligotylus ceanothi Schuh, 2000 | |
| Oligotylus centralis Schuh, 2000 | |
| Oligotylus cercocarpicola Knight, 1930 | |
| Oligotylus maneadero Schuh, 2000 | |
| Oligotylus meridionalis Schuh, 2000 | |
| Oligotylus merinoi Knight, 1968 | |
| Oligotylus nigerrimus Van Duzee, 1916 | |
| Oligotylus paracarneatus Schuh, 2000 | |
| Oligotylus pintoi Schuh, 2000 | |
| Oligotylus pluto Van Duzee, 1917 | |
| Oligotylus purshiae Knight, 1968 | |
| Oligotylus saxifragicola Schuh, 2000 | |
| Oligotylus schwartzi Schuh, 2000 | |
| Oligotylus yavapaiensis Schuh, 2000 | |
| Oncotylus (Oncotylus) punctipes Reuter, 1875 | |
| Oncotylus guttulatus Uhler, 1894 | Goutweed |
| Oncotylus longipennis (Uhler, 1895) | ⇒ Plagiognathus longipennis Uhler, 1895 |
| Oncotylus nuperus (Van Duzee, 1923) | ⇒ Megalopsallus nuperus Van Duzee, 1923 |
| Opuna sharpianus Kirkaldy, 1902 | Plant bug |
| Orectoderus arcuatus Knight, 1927 | Small povertyweed |
| Orectoderus bakeri Knight, 1968 | Mat amaranth |
| Orectoderus longicollis Uhler, 1895 | Bishop's goutweed |
| Orectoderus montanus Knight, 1968 | Mat amaranth |
| Orectoderus obliquus Uhler, 1876 | |
| Orectoderus obliquus ferrugineus Knight, 1923 | |
| Orectoderus ruckesi Knight, 1968 | Mat amaranth |
| Orectoderus salicis Knight, 1968 | Mat amaranth |
| Orectoderus schuhi Knight, 1964 | Sandhill amaranth |
| Orectoderus utahensis Knight, 1968 | Mat amaranth |
| Phoenicocoris australis Blatchley, 1926 | |
| Phoenicocoris claricornis Knight, 1923 | |
| Phoenicocoris crataegi Knight, 1931 | |
| Phoenicocoris dissimilis Reuter, 1878 | Plant bug |
| Phoenicocoris hesperus Knight, 1968 | |
| Phoenicocoris longirostris Knight, 1968 | |
| Phoenicocoris minusculus Knight, 1923 | |
| Phoenicocoris nevadensis Schwartz & S..., 2004 | |
| Phoenicocoris obscurellus Fallen, 1829 | |
| Phoenicocoris ponderosae Schwartz & S..., 2004 | |
| Phoenicocoris rostratus Knight, 1923 | |
| Phoenicocoris strobicola Knight, 1923 | |
| Phoradendrepulus myrmecomorphus Polhemus & P..., 1985 | |
| Phyllopidea montana Knight, 1968 | Mat amaranth |
| Phyllopidea picta Uhler, 1893 | |
| Phyllopidea utahensis Knight, 1968 | Mat amaranth |
| Phylus (Phylus) coryli Linnaeus, 1758 | Plant bug |
| Phylus (Phylus) melanocephalus Linnaeus, 1767 | |
| Phymatopsallus acaciae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus chiricahuae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus croceguttatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus cuneopuctatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus dubiosus Van Duzee, 1918 | |
| Phymatopsallus fulvipunctatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus fuscipunctatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus huachucae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus longirostris Knight, 1964 | Sandhill amaranth |
| Phymatopsallus nicholi Knight, 1964 | Sandhill amaranth |
| Phymatopsallus patagoniae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus prosopidis Knight, 1968 | Mat amaranth |
| Phymatopsallus ribesi Knight, 1968 | Mat amaranth |
| Phymatopsallus riconae | |
| Phymatopsallus rinconae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus rubropunctatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus strombocarpae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus texanus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus tuberculatus Van Duzee, 1923 | |
| Phymatopsallus viridescens Knight, 1964 | Sandhill amaranth |
| Piceophylus keltoni Schwartz & S..., 1999 | |
| Pilophorus americanus Poppius, 1914 | Bolander's milkvetch |
| Pilophorus amoenus Uhler, 1887 | Florida water-parsnip |
| Pilophorus australis (Knight, 1926) | ⇒ Pilophorus brunneus Poppius, 1914 |
| Pilophorus balli Knight, 1968 | Mat amaranth |
| Pilophorus banksianae (Knight, 1968) | ⇒ Pilophorus crassipes Heidemann, 1892 |
| Pilophorus barberi (Knight, 1968) | ⇒ Pilophorus americanus Poppius, 1914 |
| Pilophorus brunneus Poppius, 1914 | Bolander's milkvetch |
| Pilophorus buenoi Poppius, 1914 | Bolander's milkvetch |
| Pilophorus cembroides Schuh & Schw..., 1988 | |
| Pilophorus chiricahuae Knight, 1968 | Mat amaranth |
| Pilophorus cinnamopterus Kirschbaum, 1856 | Plant bug |
| Pilophorus clavatus Linnaeus, 1767 | Nail Lichen |
| Pilophorus clavicornis Poppius, 1914 | Bolander's milkvetch |
| Pilophorus concolor Schuh & Schw..., 1988 | |
| Pilophorus confusus Kirschbaum, 1856 | Plant bug |
| Pilophorus crassipes Heidemann, 1892 | White water crowfoot |
| Pilophorus desertinus (Knight, 1968) | ⇒ Pilophorus tibialis Van Duzee, 1918 |
| Pilophorus diffusus Knight, 1968 | Mat amaranth |
| Pilophorus discretus Van Duzee, 1918 | Common yampah |
| Pilophorus dislocatus Knight, 1968 | Mat amaranth |
| Pilophorus exiguus Poppius, 1914 | Bolander's milkvetch |
| Pilophorus explanatus Schuh & Schw..., 1988 | |
| Pilophorus floridanus Knight, 1973 | Spreading amaranth |
| Pilophorus furvus Knight, 1923 | |
| Pilophorus fuscipennis Knight, 1926 | Nuttall's monolepis |
| Pilophorus geminus Knight, 1968 | Mat amaranth |
| Pilophorus gracilis Uhler, 1895 | Bishop's goutweed |
| Pilophorus heidemanni Poppius, 1914 | Bolander's milkvetch |
| Pilophorus henryi Schuh & Schw..., 1988 | |
| Pilophorus hesperus (Knight, 1968) | ⇒ Pilophorus tibialis Van Duzee, 1918 |
| Pilophorus hirtus (Knight, 1968) | ⇒ Pilophorus longisetosus Knight, 1968 |
| Pilophorus jezzardi (Knight, 1968) | ⇒ Pilophorus tibialis Van Duzee, 1918 |
| Pilophorus juniperi Knight, 1923 | |
| Pilophorus laetus Heidemann, 1892 | White water crowfoot |
| Pilophorus longisetosus Knight, 1968 | Mat amaranth |
| Pilophorus merinoi (Knight, 1968) | ⇒ Pilophorus clavicornis Poppius, 1914 |
| Pilophorus microsetosus (Knight, 1968) | ⇒ Pilophorus tibialis Van Duzee, 1918 |
| Pilophorus minutus Knight, 1973 | Spreading amaranth |
| Pilophorus nasicus Knight, 1926 | Nuttall's monolepis |
| Pilophorus neoclavatus Schuh & Schw..., 1988 | |
| Pilophorus nevadensis Knight, 1968 | Mat amaranth |
| Pilophorus nicholi (Knight, 1973) | ⇒ Pilophorus discretus Van Duzee, 1918 |
| Pilophorus opacus (Knight, 1926) | ⇒ Pilophorus vicarius Poppius, 1914 |
| Pilophorus perplexus Douglas & Scott, 1875 | Plant bug |
| Pilophorus piceicola Knight, 1926 | Nuttall's monolepis |
| Pilophorus pinicola (Knight, 1973) | ⇒ Pilophorus amoenus Uhler, 1887 |
| Pilophorus salicis Knight, 1968 | Mat amaranth |
| Pilophorus schwartzi Reuter, 1909 | Ornate lupine |
| Pilophorus schwarzi Reuter, 1909 | |
| Pilophorus setiger Knight, 1941 | |
| Pilophorus stonedahli Schuh & Schw..., 1988 | |
| Pilophorus strobicola Knight, 1926 | Nuttall's monolepis |
| Pilophorus tanneri (Knight, 1968) | ⇒ Pilophorus salicis Knight, 1968 |
| Pilophorus taxodii Knight, 1941 | |
| Pilophorus tibialis Van Duzee, 1918 | Common yampah |
| Pilophorus tomentosus Van Duzee, 1918 | Common yampah |
| Pilophorus uhleri Knight, 1923 | |
| Pilophorus utahensis (Knight, 1968) | ⇒ Pilophorus discretus Van Duzee, 1918 |
| Pilophorus vicarius Poppius, 1914 | Bolander's milkvetch |
| Pilophorus walshii Uhler, 1887 | Flower bugs |
| Pinomiris knighti Kerzhner & S..., 1995 | |
| Pinomiris monophyllae Stonedahl & ..., 1996 | |
| Pinophylus carneolus Knight, 1927 | |
| Pinophylus rolfsi Knight, 1964 | |
| Pinophylus stonedahli Schwartz & S..., 1999 | |
| Placochilus seladonicus Fallen, 1807 | |
| Plagiognathus (Plagiognathus) arbustorum Fabricius, 1794 | Plant bug |
| Plagiognathus (Plagiognathus) chrysanthemi Wolff, 1804 | Plant Bug |
| Plagiognathus (Plagiognathus) flavipes Provancher, 1872 | |
| Plagiognathus albatus Van Duzee, 1915 | |
| Plagiognathus albatus vittiscutis Knight, 1923 | |
| Plagiognathus albellus (Knight, 1953) | ⇒ Americodema knighti Kerzhner & S..., 1998 |
| Plagiognathus albifacies Knight, 1927 | Small povertyweed |
| Plagiognathus albonotatus (Knight, 1923) | ⇒ Plagiognathus fuscosus Provancher, 1872 |
| Plagiognathus alboradialis Knight, 1923 | |
| Plagiognathus alnicenatus Knight, 1923 | |
| Plagiognathus alpinus Van Duzee, 1916 | |
| Plagiognathus amorphae Knight, 1930 | |
| Plagiognathus annulatus Uhler, 1895 | Bishop's goutweed |
| Plagiognathus annulatus cuneatus (Knight, 1923) | ⇒ Plagiognathus obscurus Uhler, 1872 |
| Plagiognathus annulatus nigrofemoratus (Knight, 1923) | ⇒ Plagiognathus obscurus Uhler, 1872 |
| Plagiognathus apiatus (Uhler, 1895) | ⇒ Europiella decolor Uhler, 1893 |
| Plagiognathus aquilinus Schuh, 2001 | |
| Plagiognathus astericola Knight, 1930 | |
| Plagiognathus atricornis Knight, 1926 | Nuttall's monolepis |
| Plagiognathus blatchleyi Reuter, 1912 | Mt. Diablo lupine |
| Plagiognathus brevicornis Knight, 1929 | |
| Plagiognathus brevirostris Knight, 1923 | |
| Plagiognathus brunneus (Provancher, 1872) | ⇒ Plagiognathus obscurus Uhler, 1872 |
| Plagiognathus carinatus (Knight, 1926) | ⇒ Plagiognathus dispar Knight, 1923 |
| Plagiognathus carneolus (Knight, 1927) | ⇒ Pinophylus carneolus Knight, 1927 |
| Plagiognathus caryae (Knight, 1923) | ⇒ Plagiognathus albatus Van Duzee, 1915 |
| Plagiognathus cibbetsi Schuh, 2001 | |
| Plagiognathus concoloris Schuh, 2001 | |
| Plagiognathus confusus Reuter, 1909 | Ornate lupine |
| Plagiognathus cornicola Knight, 1923 | |
| Plagiognathus crategi (Knight, 1929) | ⇒ Plagiognathus dispar Knight, 1923 |
| Plagiognathus crocinus Knight, 1927 | Small povertyweed |
| Plagiognathus davisi Knight, 1923 | |
| Plagiognathus delicatus Uhler, 1887 | |
| Plagiognathus dimorphus Schuh, 2001 | |
| Plagiognathus dispar Knight, 1923 | |
| Plagiognathus emarginatae Schuh, 2001 | |
| Plagiognathus fenderi Schuh, 2001 | |
| Plagiognathus flavescens (Knight, 1925) | ⇒ Plagiognathus longipennis Uhler, 1895 |
| Plagiognathus flavicornis Knight, 1923 | |
| Plagiognathus flavidus Knight, 1929 | Niterwort |
| Plagiognathus flavoscutellatus Knight, 1923 | |
| Plagiognathus flavus Knight, 1964 | Sandhill amaranth |
| Plagiognathus froeschneri | |
| Plagiognathus fulvaceus Knight, 1964 | Sandhill amaranth |
| Plagiognathus fulvidus Knight, 1923 | |
| Plagiognathus fusciflavus (Knight, 1929) | ⇒ Plagiognathus verticalis Uhler, 1894 |
| Plagiognathus fuscipes Knight, 1929 | Niterwort |
| Plagiognathus fuscosus Provancher, 1872 | |
| Plagiognathus fuscotibialis Knight, 1964 | |
| Plagiognathus geminatus (Knight, 1929) | ⇒ Cariniocoris geminatus Knight, 1929 |
| Plagiognathus geranii (Knight, 1964) | ⇒ Plagiognathus shoshonea Knight, 1964 |
| Plagiognathus gleditsiae (Knight, 1929) | ⇒ Atractotomus griseolus Reuter, 1909 |
| Plagiognathus grandis Reuter, 1876 | Dwarf mountain lupine |
| Plagiognathus guttatipes Uhler, 1895 | |
| Plagiognathus guttulosus Reuter, 1876 | |
| Plagiognathus hallucinatus Schuh, 2001 | |
| Plagiognathus ilicis (Knight, 1925) | ⇒ Cariniocoris ilicis Knight, 1925 |
| Plagiognathus inopinus (Knight, 1926) | ⇒ Plagiognathus albatus Van Duzee, 1915 |
| Plagiognathus intrusus (Knight, 1926) | ⇒ Plagiognathus brevirostris Knight, 1923 |
| Plagiognathus knighti (Kerzhner & S..., 1998) | ⇒ Americodema knighti Kerzhner & S..., 1998 |
| Plagiognathus laricicola Knight, 1923 | |
| Plagiognathus lattini Schuh, 2001 | |
| Plagiognathus lineatus Van Duzee, 1917 | Red-root yampah |
| Plagiognathus longipennis Uhler, 1895 | |
| Plagiognathus longirostris Knight, 1923 | |
| Plagiognathus lonierae Schuh, 2001 | |
| Plagiognathus louisianus Schuh, 2001 | |
| Plagiognathus luteus Knight, 1929 | Niterwort |
| Plagiognathus maculipennis Knight, 1923 | |
| Plagiognathus melliferae Schuh, 2001 | |
| Plagiognathus mineus Knight, 1929 | |
| Plagiognathus minuendus Knight, 1927 | |
| Plagiognathus modestus Reuter, 1912 | |
| Plagiognathus moerens Reuter, 1909 | Ornate lupine |
| Plagiognathus monardellae Schuh, 2001 | |
| Plagiognathus morrisoni Knight, 1923 | |
| Plagiognathus mundus Van Duzee, 1917 | Red-root yampah |
| Plagiognathus negundinis Knight, 1929 | Niterwort |
| Plagiognathus negundinis fulvotinctus (Knight, 1929) | ⇒ Plagiognathus negundinis Knight, 1929 |
| Plagiognathus nicholi (Knight, 1964) | ⇒ Plagiognathus nigronitens Knight, 1923 |
| Plagiognathus nigritibialis (Knight, 1964) | ⇒ Plagiognathus nigronitens Knight, 1923 |
| Plagiognathus nigritus (Knight, 1923) | ⇒ Plagiognathus brevirostris Knight, 1923 |
| Plagiognathus nigronitens Knight, 1923 | |
| Plagiognathus notodysmicos Schuh, 2001 | |
| Plagiognathus obscurus Uhler, 1872 | Obscure plant bug |
| Plagiognathus obscurus albocuneatus (Knight, 1923) | ⇒ Plagiognathus obscurus Uhler, 1872 |
| Plagiognathus paddocki Knight, 1964 | Sandhill amaranth |
| Plagiognathus paramundus Schuh, 2001 | |
| Plagiognathus parshleyi Knight, 1923 | |
| Plagiognathus pemptos Schuh, 2001 | |
| Plagiognathus phaceliae Schuh, 2001 | |
| Plagiognathus phorodendronae Knight, 1929 | Niterwort |
| Plagiognathus physocarpi Henry, 1981 | |
| Plagiognathus piceicola Schuh, 2001 | |
| Plagiognathus polhemorum Schuh, 2001 | |
| Plagiognathus politus Uhler, 1895 | Bishop's goutweed |
| Plagiognathus politus flaveolus Knight, 1923 | |
| Plagiognathus punctatipes Knight, 1923 | |
| Plagiognathus reinhardi Johnston, 1935 | Sticky catchfly |
| Plagiognathus repetitus Knight, 1923 | |
| Plagiognathus repletus (Knight, 1923) | ⇒ Plagiognathus albatus Van Duzee, 1915 |
| Plagiognathus repletus apicatus (Knight, 1923) | ⇒ Plagiognathus albatus Van Duzee, 1915 |
| Plagiognathus ribesi Kelton, 1982 | Rugel's nailwort |
| Plagiognathus rideri Schuh, 2001 | |
| Plagiognathus rileyi Schuh, 2001 | |
| Plagiognathus rolfsi (Knight, 1964) | ⇒ Pinophylus rolfsi Knight, 1964 |
| Plagiognathus rosicola Knight, 1923 | |
| Plagiognathus rosicoloides Schuh, 2001 | |
| Plagiognathus salicicola Knight, 1929 | Niterwort |
| Plagiognathus salicicola depallens (Knight, 1929) | ⇒ Plagiognathus salicicola Knight, 1929 |
| Plagiognathus salviae Knight, 1968 | Mat amaranth |
| Plagiognathus schaffneri Schuh, 2001 | |
| Plagiognathus shepherdiae Knight, 1929 | Niterwort |
| Plagiognathus shoshonea Knight, 1964 | Sandhill amaranth |
| Plagiognathus similis (Knight, 1923) | ⇒ Plagiognathus shepherdiae Knight, 1929 |
| Plagiognathus similis furvus (Knight, 1923) | ⇒ Plagiognathus albatus Van Duzee, 1915 |
| Plagiognathus stitti Knight, 1964 | Sandhill amaranth |
| Plagiognathus subovatus Knight, 1929 | Niterwort |
| Plagiognathus suffuscipennis Knight, 1923 | |
| Plagiognathus syrticolae Knight, 1941 | |
| Plagiognathus tenellus Knight, 1929 | Niterwort |
| Plagiognathus texanus Schuh, 2001 | |
| Plagiognathus tinctus Knight, 1923 | Niterwort |
| Plagiognathus tsugae Knight, 1923 | |
| Plagiognathus tumidifrons Knight, 1923 | |
| Plagiognathus urticae Knight, 1964 | Sandhill amaranth |
| Plagiognathus verticalis Uhler, 1894 | |
| Plagiognathus vitellinus Scholtz, 1847 | Plant bug |
| Plagiognathus viticola Johnston, 1935 | |
| Plesiodema abiesicolus Schwartz & S..., 1999 | |
| Plesiodema pinicolus Schwartz & S..., 1999 | |
| Plesiodema polhemi Schwartz & S..., 1999 | |
| Pronotocrepis clavicornis Knight, 1929 | Niterwort |
| Pronotocrepis ribesi Knight, 1969 | |
| Pronotocrepis ruber (Knight, 1969) | ⇒ Pronotocrepis rubra Knight, 1969 |
| Pronotocrepis rubra Knight, 1969 | |
| Pruneocoris stonedahli Schuh & Schw..., 2004 | |
| Psallodema fieberi Douglas & Scott, 1865 | |
| Psallovius dimorphicus Schwartz & S..., 1999 | |
| Psallovius flaviclavus Knight, 1930 | |
| Psallovius nigroantennatus Schwartz & S..., 1999 | |
| Psallovius piceicola Knight, 1923 | |
| Psallovius rubrofemoratus Knight, 1930 | |
| Psallus (Apocremnus) aethiops Zetterstedt, 1840 | |
| Psallus (Apocremnus) betuleti Fallen, 1829 | Plant bug |
| Psallus (Apocremnus) montanus Josifov, 1973 | |
| Psallus (Hylopsallus) perrisi Mulsant & Rey, 1852 | |
| Psallus (Hylopsallus) variabilis Fallen, 1807 | Plant bug |
| Psallus (Mesopsallus) ambiguus Fallen, 1807 | Red apple capsid |
| Psallus (Phylidea) quercus Kirschbaum, 1856 | |
| Psallus (Pityopsallus) lapponicus Reuter, 1874 | |
| Psallus (Pityopsallus) luridus Reuter, 1878 | |
| Psallus (Psallus) confusus Rieger, 1981 | |
| Psallus (Psallus) falleni Reuter, 1883 | Lake Tahoe lupine |
| Psallus (Psallus) flavellus Stichel, 1933 | Greenbark ceanothus |
| Psallus (Psallus) haematodes Gmelin, 1790 | Plant bug |
| Psallus (Psallus) lepidus Fieber, 1858 | Plant bug |
| Psallus (Psallus) mollis Mulsant & Rey, 1852 | |
| Psallus (Psallus) salicis Kirschbaum, 1856 | |
| Psallus (Psallus) varians Herrich-Schä..., 1841 | |
| Psallus alni (Fabricius, 1794) | ⇒ Chlamydatus allii V.G. Putshkov, 1959 |
| Psallus alnicenatus (Knight, 1923) | ⇒ Plagiognathus alnicenatus Knight, 1923 |
| Psallus amorphae (Knight, 1930) | ⇒ Plagiognathus amorphae Knight, 1930 |
| Psallus artemisicola (Knight, 1964) | ⇒ Europiella artemisiae Becker, 1864 |
| Psallus astericola (Knight, 1930) | ⇒ Plagiognathus astericola Knight, 1930 |
| Psallus atriplicis (Knight, 1968) | ⇒ Megalopsallus punctatus Schuh, 2000 |
| Psallus atritibialis (Knight, 1930) | ⇒ Guentherocoris atritibialis Knight, 1930 |
| Psallus balli | |
| Psallus breviceps Reuter, 1909 | Ornate lupine |
| Psallus brevitylus (Slater & Knight, 1954) | ⇒ Oligotylus brevitylus Slater & Knight, 1954 |
| Psallus carneatus (Knight, 1930) | ⇒ Oligotylus carneatus Knight, 1930 |
| Psallus cercocarpicola (Knight, 1930) | ⇒ Oligotylus cercocarpicola Knight, 1930 |
| Psallus clavicornis | |
| Psallus delicatus (Uhler, 1887) | ⇒ Plagiognathus delicatus Uhler, 1887 |
| Psallus drakei (Knight, 1923) | ⇒ Psallus aethiops Zetterstedt, 1840 |
| Psallus flaviclavus (Knight, 1930) | ⇒ Psallovius flaviclavus Knight, 1930 |
| Psallus fuscopunctatus Knight, 1930 | Amargosa niterwort |
| Psallus maculosus Knight, 1925 | Povertyweed |
| Psallus merinoi (Knight, 1968) | ⇒ Oligotylus merinoi Knight, 1968 |
| Psallus morrisoni (Knight, 1923) | ⇒ Plagiognathus morrisoni Knight, 1923 |
| Psallus nicholi | |
| Psallus nigrovirgatus (Knight, 1930) | ⇒ Knightomiroides nigrovirgatus Knight, 1930 |
| Psallus parshleyi (Knight, 1923) | ⇒ Plagiognathus parshleyi Knight, 1923 |
| Psallus physocarpi (Henry, 1981) | ⇒ Plagiognathus physocarpi Henry, 1981 |
| Psallus piceicola (Knight, 1923) | ⇒ Psallovius piceicola Knight, 1923 |
| Psallus purshiae (Knight, 1968) | ⇒ Oligotylus purshiae Knight, 1968 |
| Psallus rubrofemoratus (Knight, 1930) | ⇒ Psallovius rubrofemoratus Knight, 1930 |
| Psallus strobicola | |
| Psallus suaedae (Knight, 1925) | ⇒ Megalopsallus pictipes Van Duzee, 1918 |
| Psallus tinctipennis | |
| Psallus vaccinicola Knight, 1930 | Amargosa niterwort |
| Psallus varicornis | |
| Pseudatomoscelis flora Van Duzee, 1923 | |
| Pseudatomoscelis insularis Henry, 1991 | |
| Pseudatomoscelis seriatus Reuter, 1876 | Cotton fleahopper |
| Pygovepres vaccinicola Knight, 1930 | |
| Quercophylus gonoporospinus Weirauch, 2006 | |
| Quernocoris caliginosus Weirauch, 2006 | |
| Ranzovius agelenopsis Henry, 1984 | |
| Ranzovius californicus Van Duzee, 1917 | |
| Ranzovius clavicornis Knight, 1927 | |
| Ranzovius moerens Reuter, 1905 | |
| Reuteroscopus abroniae Knight, 1965 | Southern amaranth |
| Reuteroscopus basicornis Knight, 1965 | Southern amaranth |
| Reuteroscopus carolinae Knight, 1965 | Southern amaranth |
| Reuteroscopus dreisbachi Knight, 1965 | Southern amaranth |
| Reuteroscopus falcatus Van Duzee, 1917 | Red-root yampah |
| Reuteroscopus femoralis Kelton, 1964 | Drummond's nailwort |
| Reuteroscopus froeschneri Knight, 1953 | Pigweed |
| Reuteroscopus hamatus Kelton, 1964 | Drummond's nailwort |
| Reuteroscopus longirostris Knight, 1925 | Povertyweed |
| Reuteroscopus nicholi Knight, 1930 | |
| Reuteroscopus nigricornis Knight, 1965 | |
| Reuteroscopus ornatus Reuter, 1876 | Ornate Plant Bug |
| Reuteroscopus pallidiclavus Knight, 1965 | Southern amaranth |
| Reuteroscopus santaritae Knight, 1965 | Southern amaranth |
| Reuteroscopus schaffneri Knight, 1965 | Southern amaranth |
| Reuteroscopus similis Kelton, 1964 | |
| Reuteroscopus tinctipennis Knight, 1925 | |
| Reuteroscopus uvidus Distant, 1893 | |
| Rhinacloa basalis Reuter, 1907 | |
| Rhinacloa callicrates Herring, 1971 | Goldenseal |
| Rhinacloa cardini Barber & Bruner, 1946 | Plant bug |
| Rhinacloa chapini Schuh & Schw..., 1985 | |
| Rhinacloa clavicornis Reuter, 1905 | |
| Rhinacloa forticornis Reuter, 1876 | Black fleahopper |
| Rhinacloa nigripes Maldonado, 1969 | |
| Rhinacloa pallidipes Maldonado, 1969 | Bur cucumber |
| Rhinacloa puertoricensis Schuh & Schw..., 1985 | |
| Rhinacloa rubroornata Schuh & Schw..., 1985 | Cattley guava |
| Rhinocapsus rubricans Provancher, 1887 | |
| Rhinocapsus vanduzeei Uhler, 1890 | Azalea plant bug |
| Roburocoris exiguus Weirauch, 2009 | |
| Roburocoris maculosus Knight, 1925 | |
| Rubellomiris bispinosus Weirauch, 2006 | |
| Rubellomiris mariposa Weirauch, 2006 | |
| Rubellomiris sparus Weirauch, 2006 | |
| Rubeospineus bicorniger Weirauch, 2006 | |
| Rubeospineus truncatus Weirauch, 2006 | |
| Rubeospineus yosemite Weirauch, 2006 | |
| Rubrocuneocoris calvertae Henry, 2017 | Plant bug |
| Salicopsallus lucidus Van Duzee, 1918 | |
| Salicopsallus schwartzi Schuh, 2006 | |
| Semium hirtum Reuter, 1876 | Dwarf mountain lupine |
| Semium subglaber Knight, 1927 | |
| Semium subglabrum Knight, 1927 | Small povertyweed |
| Spanagonicus albofasciatus Reuter, 1907 | Black fleahopper |
| Spanagonicus argentinus Berg, 1883 | |
| Sthenaridea carmelitana Carvalho, 1948 | Plant bug |
| Sthenaridea vulgaris Distant, 1893 | Plant bug |
| Sthenaropsidea mcateei Knight, 1927 | |
| Sthenarus pubescens Reuter, 1876 | |
| Sthenarus rotermundi Scholtz, 1847 | Leaf bug |
| Sthenarus viticola (Johnston, 1935) | ⇒ Plagiognathus viticola Johnston, 1935 |
| Stictopsallus aspersus Van Duzee, 1923 | |
| Strophopoda aprica Van Duzee, 1921 | Howell's yampah |
| Systellonotus triguttatus Linnaeus, 1767 | |
| Tannerocoris sarcobati Knight, 1970 | California amaranth |
| Teleorhinus brindleyi Knight, 1968 | Mat amaranth |
| Teleorhinus crataegi Wyniger, 2010 | |
| Teleorhinus cyaneus Uhler, 1890 | |
| Teleorhinus floridanus Blatchley, 1926 | |
| Teleorhinus nigricornis Knight, 1968 | Mat amaranth |
| Teleorhinus oregoni Knight, 1968 | Mat amaranth |
| Teleorhinus tephrosicola Knight, 1923 | |
| Teleorhinus utahensis Knight, 1968 | Mat amaranth |
| Ticua granulata Knight, 1930 | |
| Tinicephalus simplex Uhler, 1872 | |
| Tuponia subnitida (Uhler, 1895) | ⇒ Europiella pilosula Uhler, 1893 |
| Tuxedo bicinctus Van Duzee, 1914 | |
| Tuxedo cruralis Van Duzee, 1917 | |
| Tuxedo drakei Schuh, 2004 | |
| Tuxedo elongatus Schuh, 2004 | |
| Tuxedo flavicollis Knight, 1929 | |
| Tuxedo nicholi Knight, 1929 | |
| Tuxedo susansolomonae Schuh, 2004 | |
| Tytthus alboornatus Knight, 1931 | |
| Tytthus balli Knight, 1931 | |
| Tytthus fuscicornis Henry, 2012 | |
| Tytthus insperatus Knight, 1925 | |
| Tytthus montanus Carvalho & S..., 1955 | |
| Tytthus mundulus Breddin, 1896 | Plant bug |
| Tytthus neotropicalis Carvalho, 1954 | |
| Tytthus parviceps Reuter, 1890 | Plant bug |
| Tytthus piceus Osborn & Drake, 1915 | |
| Tytthus pubescens Knight, 1931 | |
| Tytthus pygmaeus Zetterstedt, 1840 | |
| Tytthus uniformis Henry, 2012 | |
| Tytthus vagus Knight, 1923 | |
| Tytthus wheeleri Henry, 2012 | |
| Vanduzeephylus falcatus Van Duzee, 1917 | |
| Vesperocoris paddocki Knight, 1964 | |
| Viscacoris phoradendronae Knight, 1929 | |
| Viscacoris vireo Weirauch, 2009 | |
