| Amblytylus nasutus Kirschbaum, 1856 | Plant bug |
| Americodema knighti Kerzhner & S..., 1998 | |
| Americodema nigrolineatum Knight, 1923 | |
| Arctostaphylocoris manzanitae Knight, 1964 | |
| Asciodema obsoletus Fieber, 1864 | |
| Atomoscelis modesta Van Duzee, 1914 | |
| Atomoscelis onusta Fieber, 1861 | |
| Atractotomus (Atractotomus) magnicornis Fallen, 1807 | Plant bug |
| 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 griseolus Reuter, 1909 | |
| Atractotomus hesperia Uhler, 1872 | |
| Atractotomus miniatus Knight, 1926 | |
| Atractotomus nicholi Knight, 1968 | |
| Atractotomus nyssae Johnston, 1930 | |
| Atractotomus ovatus Knight, 1926 | |
| Atractotomus pallens Knight, 1968 | |
| Atractotomus prosopidis Knight, 1968 | |
| 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 | |
| Beamerella balius Froeschner, 1965 | |
| Beamerella personata Knight, 1959 | Tidalmarsh amaranth |
| Beamerella personatus (Knight, 1959) | ⇒ Beamerella personata Knight, 1959 |
| Beckocoris bullatus Knight, 1968 | |
| Beckocoris inventarium Schuh, 2008 | |
| Beckocoris laticephalus Knight, 1968 | |
| Beckocoris lattini Schuh, 2008 | |
| Bisulcopsallus pallidus Schuh, 2006 | |
| Brachyceratocoris nevadensis Knight, 1968 | Mat amaranth |
| Campylomma verbasci Meyer-Dür, 1843 | Mullein bug |
| Cariniocoris geminatus Knight, 1929 | |
| Cariniocoris ilicis Knight, 1925 | |
| Cariniocoris nyssae Henry, 1989 | |
| Chlamydatus (Attus) pulicarius Fallén, 1807 | |
| Chlamydatus (Attus) pullus Reuter, 1870 | |
| Chlamydatus (Chlamydatus) opacus Zetterstedt, 1838 | |
| Chlamydatus (Chlamydatus) wilkinsoni Douglas & Scott, 1866 | |
| Chlamydatus (Euattus) pulicarius Fallen, 1807 | |
| Chlamydatus (Euattus) pullus Reuter, 1871 | |
| Chlamydatus (Eurymerocoris) wilkinsoni Douglas & Scott, 1866 | |
| Chlamydatus arcuatus (Knight, 1964) | ⇒ Chlamydatus pulicarius Fallén, 1807 |
| Chlamydatus artemisiae Kelton, 1965 | |
| Chlamydatus associatus Uhler, 1872 | Ragweed bug |
| Chlamydatus auratus (Kelton, 1965) | ⇒ Chlamydatus pulicarius Fallén, 1807 |
| Chlamydatus becki Knight, 1968 | Mat amaranth |
| Chlamydatus brevicornis Knight, 1964 | Sandhill amaranth |
| Chlamydatus fulvipes (Knight, 1964) | ⇒ Chlamydatus pullus Reuter, 1870 |
| Chlamydatus keltoni Schuh & Schw..., 2005 | |
| Chlamydatus knighti (Kelton, 1965) | ⇒ Chlamydatus schuhi Knight, 1964 |
| 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 | |
| Compsidolon (Coniortodes) salicellus Herrich-Schä..., 1841 | |
| Conostethus americanus Knight, 1939 | Spinach |
| Criocoris saliens Reuter, 1876 | Salien Plant Bug |
| Dacota (Dacota) hesperia Uhler, 1872 | Herbwilliam |
| Europiella albata (Knight, 1969) | ⇒ Europiella pilosula Uhler, 1893 |
| Europiella albipubescens (Knight, 1968) | ⇒ Knightopiella albipubescens Knight, 1968 |
| Europiella angulata Uhler, 1895 | |
| Europiella angulatus Uhler, 1895 | |
| Europiella arizonae Knight, 1968 | Mat amaranth |
| Europiella artemisiae Becker, 1864 | |
| Europiella bakeri Bergroth, 1898 | |
| 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 concinna Reuter, 1909 | Ornate lupine |
| Europiella consors Uhler, 1895 | |
| Europiella decolor Uhler, 1893 | |
| Europiella flavicornis (Knight, 1969) | ⇒ Europiella pilosula Uhler, 1893 |
| Europiella fuscicornis (Knight, 1969) | ⇒ Europiella consors Uhler, 1895 |
| Europiella grayiae (Knight, 1968) | ⇒ Megalopsallus nigrofemoratus Knight, 1968 |
| Europiella humeralis (Van Duzee, 1923) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella knowltoni (Knight, 1970) | ⇒ Megalopsallus knowltoni Knight, 1970 |
| 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 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 pilosulus Uhler, 1893 | |
| 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 sparsa (Van Duzee, 1918) | ⇒ Megalopsallus sparsus Van Duzee, 1918 |
| Europiella stigmosus Uhler, 1893 | |
| Europiella stitti (Knight, 1968) | ⇒ Megalopsallus sparsus Van Duzee, 1918 |
| Europiella unipuncta Knight, 1968 | Mat amaranth |
| Europiella viridiventris (Knight, 1968) | ⇒ Megalopsallus humeralis Van Duzee, 1923 |
| Europiella yampae Knight, 1968 | Mat amaranth |
| Guentherocoris atritibialis Knight, 1930 | |
| Hambletoniola antennata Carvalho, 1954 | |
| Hoplomachidea consors Uhler, 1893 | |
| Hoplomachus affiguratus Uhler, 1895 | |
| Hyalopsallus diaphanus Reuter, 1907 | Plant bug |
| Icodema nigrolineatus Knight, 1923 | |
| Keltonia balli Knight, 1926 | |
| Keltonia clinopodii Kelton, 1966 | |
| Keltonia pallida Henry, 1991 | |
| Keltonia robusta Henry, 1991 | |
| Keltonia rubrofemorata Knight, 1966 | |
| Keltonia sulphureus Reuter, 1907 | |
| Keltonia tuckeri Poppius, 1911 | |
| Knightomiroides nigrovirgatus Knight, 1930 | |
| Knightopiella albipubescens Knight, 1968 | |
| Larinocerus balius Froeschner, 1965 | |
| Lepidargyrus ancorifer Fieber, 1858 | Plant bug |
| Lineatopsallus biguttulatus Uhler, 1894 | |
| Lineatopsallus slateri Henry, 1991 | |
| Lopus decolor Fallen, 1807 | Plant Bug |
| Macrotylus amoenus Reuter, 1909 | Ornate lupine |
| 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 sexguttatus Provancher, 1887 | |
| Macrotylus tristis Uhler, 1890 | |
| Macrotylus vanduzeei Knight, 1932 | Black greasewood |
| Maurodactylus consors (Uhler, 1895) | ⇒ Europiella consors Uhler, 1895 |
| Maurodactylus semiustus Van Duzee, 1914 | Bolander's yampah |
| Megalocoleus molliculus Fallen, 1807 | Plant bug |
| Megalopsallus adustus (Knight, 1927) | ⇒ Megalopsallus brittoni Knight, 1927 |
| Megalopsallus atriplicis Knight, 1927 | Small povertyweed |
| Megalopsallus brittoni Knight, 1927 | Small povertyweed |
| Megalopsallus diversipes (Knight, 1927) | ⇒ Megalopsallus nuperus Van Duzee, 1923 |
| Megalopsallus ephedrae Knight, 1968 | |
| Megalopsallus femoralis Kelton, 1980 | |
| 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 nigrofemoratus Knight, 1968 | |
| Megalopsallus nuperus Van Duzee, 1923 | |
| Megalopsallus pallidus Knight, 1968 | |
| Megalopsallus pallipes Knight, 1968 | |
| 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 sparsus Van Duzee, 1918 | |
| Microphylellus adustus (Knight, 1929) | ⇒ Reuteroscopus falcatus Van Duzee, 1917 |
| Microphylellus alpinus (Van Duzee, 1916) | ⇒ Plagiognathus alpinus Van Duzee, 1916 |
| Microphylellus bicinctus (Van Duzee, 1914) | ⇒ Tuxedo bicinctus Van Duzee, 1914 |
| Microphylellus brevicornis (Knight, 1929) | ⇒ Plagiognathus brevicornis Knight, 1929 |
| Microphylellus elongatus (Knight, 1923) | ⇒ Plagiognathus flavipes Provancher, 1872 |
| Microphylellus falcatus (Van Duzee, 1917) | ⇒ Reuteroscopus falcatus Van Duzee, 1917 |
| Microphylellus flavicollis (Knight, 1929) | ⇒ Tuxedo flavicollis Knight, 1929 |
| Microphylellus flavipes (Provancher, 1872) | ⇒ Plagiognathus flavipes Provancher, 1872 |
| Microphylellus fuscicornis (Knight, 1923) | ⇒ Plagiognathus maculipennis Knight, 1923 |
| 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 modestus (Reuter, 1912) | ⇒ Plagiognathus modestus Reuter, 1912 |
| Microphylellus nicholi (Knight, 1929) | ⇒ Tuxedo nicholi Knight, 1929 |
| Microphylellus symphoricarpi (Knight, 1968) | ⇒ Plagiognathus fulvaceus Knight, 1964 |
| Microphylellus tsugae (Knight, 1923) | ⇒ Plagiognathus tsugae Knight, 1923 |
| Microphylellus tumidifrons (Knight, 1923) | ⇒ Plagiognathus tumidifrons Knight, 1923 |
| Mineocapsus minimus Knight, 1972 | |
| Monosynamma bohemanni Fallen, 1829 | |
| Nevadocoris becki Knight, 1968 | Mat amaranth |
| Nevadocoris bullatus Knight, 1968 | Mat amaranth |
| Nevadocoris pallidus (Knight, 1968) | ⇒ Megalopsallus pallidus Knight, 1968 |
| Nicholia eriogoni Knight, 1929 | Niterwort |
| Oligotylus brevitylus Slater & Knight, 1954 | |
| Oligotylus carneatus Knight, 1930 | |
| Oligotylus cercocarpicola Knight, 1930 | |
| Oligotylus merinoi Knight, 1968 | |
| Oligotylus nigerrimus Van Duzee, 1916 | |
| Oligotylus pluto Van Duzee, 1917 | |
| Oligotylus purshiae Knight, 1968 | |
| Oncotylus guttulatus Uhler, 1894 | Goutweed |
| Parapsallus vitellinus (Scholtz, 1847) | ⇒ Plagiognathus vitellinus Scholtz, 1847 |
| 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 olseni (Knight, 1923) | ⇒ Phoenicocoris rostratus Knight, 1923 |
| Phoenicocoris pini (Knight, 1968) | ⇒ Pinomiris knighti Kerzhner & S..., 1995 |
| Phoenicocoris rostratus Knight, 1923 | |
| Phoenicocoris strobicola Knight, 1923 | |
| Phyllopidea hirta Van Duzee, 1916 | |
| Phyllopidea montana Knight, 1968 | Mat amaranth |
| Phyllopidea picta Uhler, 1893 | |
| Phyllopidea utahensis Knight, 1968 | Mat amaranth |
| Phylus (Phylus) coryli Linnaeus, 1758 | Plant bug |
| Phymatopsallus acaciae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus chiricahuae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus croceguttatus Knight, 1964 | Sandhill amaranth |
| Phymatopsallus croceus Van Duzee, 1918 | |
| Phymatopsallus cuneopunctatus Knight, 1964 | |
| 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 pantherinus Van Duzee, 1917 | |
| Phymatopsallus patagoniae Knight, 1964 | Sandhill amaranth |
| Phymatopsallus prosopidis Knight, 1968 | Mat amaranth |
| Phymatopsallus ribesi Knight, 1968 | Mat amaranth |
| 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 | |
| Pinomiris knighti Kerzhner & S..., 1995 | |
| Pinophylus carneolus Knight, 1927 | |
| Pinophylus rolfsi Knight, 1964 | |
| 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 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 apiatus (Uhler, 1895) | ⇒ Europiella decolor Uhler, 1893 |
| 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 confusus Reuter, 1909 | Ornate lupine |
| Plagiognathus cornicola Knight, 1923 | |
| Plagiognathus crocinus Knight, 1927 | Small povertyweed |
| Plagiognathus cuneatus Knight, 1923 | |
| Plagiognathus davisi Knight, 1923 | |
| Plagiognathus delicatus Uhler, 1887 | |
| Plagiognathus dispar Knight, 1923 | |
| Plagiognathus diversus (Van Duzee, 1917) | ⇒ Tuxedo cruralis Van Duzee, 1917 |
| 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 fulvaceus Knight, 1964 | Sandhill amaranth |
| Plagiognathus fulvidus Knight, 1923 | |
| Plagiognathus fumidus Uhler, 1875 | |
| Plagiognathus fusciflavus (Knight, 1929) | ⇒ Plagiognathus verticalis Uhler, 1894 |
| Plagiognathus fuscipes Knight, 1929 | Niterwort |
| Plagiognathus fuscosus Provancher, 1872 | |
| Plagiognathus fuscotibialis Knight, 1964 | |
| 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 intrusus (Knight, 1926) | ⇒ Plagiognathus brevirostris Knight, 1923 |
| Plagiognathus laricicola Knight, 1923 | |
| Plagiognathus lineatus Van Duzee, 1917 | Red-root yampah |
| Plagiognathus longipennis Uhler, 1895 | |
| Plagiognathus longirostris Knight, 1923 | |
| Plagiognathus luteus Knight, 1929 | Niterwort |
| Plagiognathus maculipennis Knight, 1923 | |
| Plagiognathus medicagus Arrand, 1958 | |
| Plagiognathus mineus Knight, 1929 | |
| Plagiognathus minuendus Knight, 1927 | |
| Plagiognathus modestus Reuter, 1912 | |
| Plagiognathus moerens Reuter, 1909 | Ornate lupine |
| Plagiognathus morrisoni Knight, 1923 | |
| Plagiognathus mundus Van Duzee, 1917 | Red-root yampah |
| Plagiognathus negundinis Knight, 1929 | Niterwort |
| 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 paddocki Knight, 1964 | Sandhill amaranth |
| Plagiognathus parshleyi Knight, 1923 | |
| Plagiognathus phoradendronae | |
| Plagiognathus phorodendronae Knight, 1929 | Niterwort |
| Plagiognathus physocarpi Henry, 1981 | |
| 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 rolfsi (Knight, 1964) | ⇒ Pinophylus rolfsi Knight, 1964 |
| Plagiognathus rosicola Knight, 1923 | |
| Plagiognathus rubida Poppius, 1911 | |
| Plagiognathus salicicola Knight, 1929 | Niterwort |
| Plagiognathus salicicola depallens (Knight, 1929) | ⇒ Plagiognathus salicicola Knight, 1929 |
| Plagiognathus salviae Knight, 1968 | Mat amaranth |
| Plagiognathus shepherdiae Knight, 1929 | Niterwort |
| Plagiognathus shoshonea Knight, 1964 | Sandhill amaranth |
| Plagiognathus similis (Knight, 1923) | ⇒ Plagiognathus shepherdiae Knight, 1929 |
| 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 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 sericeus Heidemann, 1892 | |
| Pronotocrepis clavicornis Knight, 1929 | Niterwort |
| Pronotocrepis ribesi Knight, 1969 | |
| Pronotocrepis ruber (Knight, 1969) | ⇒ Pronotocrepis rubra Knight, 1969 |
| Pronotocrepis rubra Knight, 1969 | |
| Psallovius flaviclavus Knight, 1930 | |
| Psallovius piceicola Knight, 1923 | |
| Psallovius rubrofemoratus Knight, 1930 | |
| Psallus (Apocremnus) aethiops Zetterstedt, 1840 | |
| Psallus (Apocremnus) ancorifer (Fieber, 1858) | ⇒ Lepidargyrus ancorifer Fieber, 1858 |
| Psallus (Apocremnus) betuleti Fallen, 1829 | Plant bug |
| Psallus (Hylopsallus) variabilis Fallen, 1807 | Plant bug |
| Psallus (Psallus) falleni Reuter, 1883 | Lake Tahoe lupine |
| Psallus (Psallus) haematodes Gmelin, 1790 | Plant bug |
| Psallus (Psallus) lepidus Fieber, 1858 | Plant bug |
| Psallus albipennis (Fallen, 1829) | ⇒ Europiella decolor Uhler, 1893 |
| 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 asperus Van Duzee, 1923 | Lemmon's yampah |
| 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 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 drakei (Knight, 1923) | ⇒ Psallus aethiops Zetterstedt, 1840 |
| Psallus flavella Stichel, 1933 | |
| Psallus flaviclavus (Knight, 1930) | ⇒ Psallovius flaviclavus Knight, 1930 |
| Psallus fuscatus Knight, 1923 | |
| 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 nigerrimus (Van Duzee, 1916) | ⇒ Oligotylus nigerrimus Van Duzee, 1916 |
| 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 pictipes (Van Duzee, 1918) | ⇒ Megalopsallus pictipes Van Duzee, 1918 |
| Psallus purshiae (Knight, 1968) | ⇒ Oligotylus purshiae Knight, 1968 |
| Psallus rubrofemoratus (Knight, 1930) | ⇒ Psallovius rubrofemoratus Knight, 1930 |
| Psallus salicicola Schwartz & K..., 1990 | |
| Psallus strobicola | |
| Psallus vaccinicola Knight, 1930 | Amargosa niterwort |
| Pseudatomoscelis flora Van Duzee, 1923 | |
| Pseudatomoscelis seriatus Reuter, 1876 | Cotton fleahopper |
| Ranzovius agelenopsis Henry, 1984 | |
| Ranzovius californicus Van Duzee, 1917 | |
| Ranzovius clavicornis Knight, 1927 | |
| 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 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 tinctipennis Knight, 1925 | |
| Reuteroscopus uvidus Distant, 1893 | |
| Rhinacloa basalis Reuter, 1907 | |
| Rhinacloa callicrates Herring, 1971 | Goldenseal |
| Rhinacloa clavicornis Reuter, 1905 | |
| Rhinacloa forticornis Reuter, 1876 | Black fleahopper |
| Rhinacloa manleyi Schuh & Schw..., 1985 | Cattley guava |
| Rhinacloa pallidipes Maldonado, 1969 | Bur cucumber |
| Rhinacloa rubroornata Schuh & Schw..., 1985 | Cattley guava |
| Rhinocapsus rubricans Provancher, 1887 | |
| Rhinocapsus vanduzeei Uhler, 1890 | Azalea plant bug |
| Semium hirtum Reuter, 1876 | Dwarf mountain lupine |
| Semium subglaber Knight, 1927 | |
| Spanagonicus albofasciata Reuter, 1907 | |
| Sthenaropsidea mcateei Knight, 1927 | |
| Sthenarus cuneotinctus (Van Duzee, 1915) | ⇒ Aurantiocoris cuneotinctus Van Duzee, 1915 |
| Sthenarus mcateei (Knight, 1927) | ⇒ Sthenaropsidea mcateei Knight, 1927 |
| Sthenarus pubescens Reuter, 1876 | |
| Sthenarus rotermundi Scholtz, 1847 | Leaf bug |
| Sthenarus viticola (Johnston, 1935) | ⇒ Plagiognathus viticola Johnston, 1935 |
| Strophopoda aprica Van Duzee, 1921 | Howell's yampah |
| Tannerocoris sarcobati Knight, 1970 | California amaranth |
| Tuponia dubiosa Van Duzee, 1918 | Common yampah |
| Tuponia lucida Van Duzee, 1918 | Common yampah |
| Tuponia subnitida (Uhler, 1895) | ⇒ Europiella pilosula Uhler, 1893 |
| Tuxedo bicinctus Van Duzee, 1914 | |
| Tuxedo cruralis Van Duzee, 1917 | |
| Tuxedo flavicollis Knight, 1929 | |
| Tuxedo nicholi Knight, 1929 | |
