| Phytocoris (Ktenocoris) varipes Boheman, 1852 | Plant bug |
| Phytocoris (Phytocoris) dimidiatus Kirschbaum, 1856 | Plant bug |
| Phytocoris (Phytocoris) populi Linnaeus, 1758 | Plant bug |
| Phytocoris (Phytocoris) tiliae Fabricius, 1777 | Plant bug |
| Phytocoris acaciae Knight, 1974 | Crispleaf amaranth |
| Phytocoris adenostomae Stonedahl, 1985 | Boston ivy |
| Phytocoris adustus Stonedahl, 1988 | |
| Phytocoris albellus Knight, 1934 | Spinach |
| Phytocoris albidopictus Knight, 1961 | |
| Phytocoris albidosquamus Knight, 1968 | Mat amaranth |
| Phytocoris antennalis Reuter, 1909 | Ornate lupine |
| Phytocoris argus Stonedahl, 1988 | |
| Phytocoris aridus Stonedahl, 1988 | |
| Phytocoris aurora Van Duzee, 1920 | Common yampah |
| Phytocoris bakeri Reuter, 1909 | Ornate lupine |
| Phytocoris beameri Stonedahl, 1988 | |
| Phytocoris becki Knight, 1968 | Mat amaranth |
| Phytocoris bituberis Stonedahl, 1988 | |
| Phytocoris borregoi Stonedahl, 1988 | |
| Phytocoris breviatus Knight, 1968 | Mat amaranth |
| Phytocoris brevicornis Knight, 1968 | Mat amaranth |
| Phytocoris brevisetosus Stonedahl, 1988 | |
| Phytocoris californicus Knight, 1968 | Mat amaranth |
| Phytocoris calli Knight, 1934 | Spinach |
| Phytocoris calvus Van Duzee, 1920 | Common yampah |
| Phytocoris candidus Van Duzee, 1918 | |
| Phytocoris canescens Reuter, 1909 | Ornate lupine |
| Phytocoris carnosulus Van Duzee, 1920 | Common yampah |
| Phytocoris ceanothicus Stonedahl, 1988 | |
| Phytocoris cercocarpi Knight, 1928 | Beaver povertyweed |
| Phytocoris chemehuevi Stonedahl, 1988 | |
| Phytocoris cinereus Stonedahl, 1988 | |
| Phytocoris commissuralis Van Duzee, 1920 | Common yampah |
| Phytocoris comulus Knight, 1928 | Beaver povertyweed |
| Phytocoris confluens Reuter, 1909 | Ornate lupine |
| Phytocoris coniferalis Stonedahl, 1988 | |
| Phytocoris consors Van Duzee, 1918 | Common yampah |
| Phytocoris conspersipes Reuter, 1909 | Ornate lupine |
| Phytocoris conspurcatus Knight, 1920 | Rusty molly |
| Phytocoris contrastus (Knight, 1920) | ⇒ Phytocoris ventralis Van Duzee, 1912 |
| Phytocoris corticola Stonedahl, 1988 | |
| Phytocoris cowaniae Stonedahl, 1988 | |
| Phytocoris cunealis Van Duzee, 1914 | Bolander's yampah |
| Phytocoris cuneotinctus Knight, 1925 | Povertyweed |
| Phytocoris decorus Reuter, 1909 | |
| Phytocoris decurvatus Knight, 1968 | Mat amaranth |
| Phytocoris deserticola Knight, 1927 | Small povertyweed |
| Phytocoris desertinus Stonedahl, 1988 | |
| Phytocoris dreisbachi Knight, 1974 | Crispleaf amaranth |
| Phytocoris dumicola Stonedahl, 1988 | |
| Phytocoris ejuncidus Stonedahl, 1988 | |
| Phytocoris empirensis Knight, 1968 | Mat amaranth |
| Phytocoris ephedrae (Knight, 1961) | ⇒ Phytocoris ventralis Van Duzee, 1912 |
| Phytocoris eurekae Bliven, 1966 | |
| Phytocoris fenestratus Reuter, 1909 | Ornate lupine |
| Phytocoris formosus Van Duzee, 1914 | Bolander's yampah |
| Phytocoris fraterculus Van Duzee, 1918 | Common yampah |
| Phytocoris fumatus Reuter, 1909 | Ornate lupine |
| Phytocoris fuscosignatus Knight, 1928 | Beaver povertyweed |
| Phytocoris geniculatus Van Duzee, 1918 | Common yampah |
| Phytocoris hettenshawi Bliven, 1956 | |
| Phytocoris hirsuticus Knight, 1968 | Mat amaranth |
| Phytocoris hirtus Van Duzee, 1918 | Common yampah |
| Phytocoris histriculus Van Duzee, 1920 | Common yampah |
| Phytocoris hopi Knight, 1928 | Beaver povertyweed |
| Phytocoris hyampom (Bliven, 1966) | ⇒ Phytocoris vinaceus Van Duzee, 1917 |
| Phytocoris imperialensis Stonedahl, 1988 | |
| Phytocoris infuscatus Reuter, 1909 | Ornate lupine |
| Phytocoris ingens Van Duzee, 1920 | Common yampah |
| Phytocoris inops (Uhler, 1877) | ⇒ Phytocoris canadensis Van Duzee, 1920 |
| Phytocoris insulatus Stonedahl, 1988 | |
| Phytocoris intermontanus Stonedahl, 1988 | |
| Phytocoris interspersus Uhler, 1895 | Bishop's goutweed |
| Phytocoris jucundus Van Duzee, 1914 | Bolander's yampah |
| Phytocoris juniperanus Knight, 1968 | Mat amaranth |
| Phytocoris junipericola Knight, 1927 | Small povertyweed |
| Phytocoris ketinelbi Bliven, 1966 | |
| Phytocoris kiowa Stonedahl, 1988 | |
| Phytocoris knowltoni Knight, 1974 | Crispleaf amaranth |
| Phytocoris laevis Uhler, 1895 | |
| Phytocoris laticeps (Knight, 1968) | ⇒ Phytocoris calli Knight, 1934 |
| Phytocoris lattini Stonedahl, 1988 | |
| Phytocoris leucophaeus Stonedahl, 1988 | |
| Phytocoris lineatus Reuter, 1909 | Ornate lupine |
| Phytocoris listi Knight, 1928 | Beaver povertyweed |
| Phytocoris longihirtus Knight, 1968 | Mat amaranth |
| Phytocoris maricopae Stonedahl, 1988 | |
| Phytocoris maritimus Van Duzee, 1920 | Common yampah |
| Phytocoris megatuberis Stonedahl, 1988 | |
| Phytocoris mellarius Knight, 1925 | Povertyweed |
| Phytocoris microfascinum Stonedahl, 1988 | |
| Phytocoris miniatus Knight, 1961 | |
| Phytocoris minituberculatus Knight, 1968 | Mat amaranth |
| Phytocoris mirus Knight, 1928 | Beaver povertyweed |
| Phytocoris monophyllae Stonedahl, 1988 | |
| Phytocoris mundus Reuter, 1909 | Ornate lupine |
| Phytocoris neglectus Knight, 1920 | Rusty molly |
| Phytocoris nigrifrons Van Duzee, 1920 | Common yampah |
| Phytocoris nigrisquamus Stonedahl, 1988 | |
| Phytocoris nigrolineatus Knight, 1968 | Mat amaranth |
| Phytocoris nobilis Stonedahl, 1984 | Sevenleaf creeper |
| Phytocoris occidentalis Stonedahl, 1984 | Sevenleaf creeper |
| Phytocoris olseni Knight, 1923 | |
| Phytocoris omani Stonedahl, 1988 | |
| Phytocoris pallidicornis Reuter, 1876 | Dwarf mountain lupine |
| Phytocoris piceicola Knight, 1928 | Beaver povertyweed |
| Phytocoris pintoi Stonedahl, 1988 | |
| Phytocoris plenus Van Duzee, 1918 | Common yampah |
| Phytocoris polhemusi Stonedahl, 1988 | |
| Phytocoris politus Reuter, 1909 | Ornate lupine |
| Phytocoris pulchricollis Van Duzee, 1923 | Lemmon's yampah |
| Phytocoris purshiae Stonedahl, 1988 | |
| Phytocoris quadriannulipes Knight, 1968 | Mat amaranth |
| Phytocoris radiatae Stonedahl, 1988 | |
| Phytocoris rainieri Knight, 1920 | Rusty molly |
| Phytocoris ramosus Uhler, 1894 | Goutweed |
| Phytocoris relativus Knight, 1968 | Mat amaranth |
| Phytocoris reticulatus Knight, 1968 | Mat amaranth |
| Phytocoris roseus Uhler, 1894 | |
| Phytocoris rostratus Knight, 1968 | Mat amaranth |
| Phytocoris rubrimaculatus Stonedahl, 1988 | |
| Phytocoris rufoscriptus Van Duzee, 1914 | Bolander's yampah |
| Phytocoris sacramento Stonedahl, 1988 | |
| Phytocoris sagax Van Duzee, 1920 | Common yampah |
| Phytocoris sanbernardino Stonedahl, 1988 | |
| Phytocoris sangabriel Stonedahl, 1988 | |
| Phytocoris sanjoaquin Stonedahl, 1988 | |
| Phytocoris schuhi Stonedahl, 1988 | |
| Phytocoris schwartzi Stonedahl, 1988 | |
| Phytocoris sewardi Bliven, 1966 | |
| Phytocoris shoshoni Stonedahl, 1988 | |
| Phytocoris sierrae Stonedahl, 1988 | |
| Phytocoris simulatus Knight, 1928 | Beaver povertyweed |
| Phytocoris solano Stonedahl, 1988 | |
| Phytocoris sonorensis Van Duzee, 1920 | Common yampah |
| Phytocoris squamosus Knight, 1934 | Spinach |
| Phytocoris stellatus Van Duzee, 1920 | Common yampah |
| Phytocoris stitti Knight, 1961 | |
| Phytocoris strigosus Knight, 1925 | Povertyweed |
| Phytocoris sublineatus Knight, 1968 | Mat amaranth |
| Phytocoris tehachapi Stonedahl, 1988 | |
| Phytocoris tenerum Stonedahl, 1988 | |
| Phytocoris tenuis Van Duzee, 1920 | Common yampah |
| Phytocoris tobrendae Stonedahl, 1988 | |
| Phytocoris torridus Stonedahl, 1988 | |
| Phytocoris tricinctipes Knight, 1968 | Mat amaranth |
| Phytocoris umbrosus Knight, 1928 | Beaver povertyweed |
| Phytocoris usingeri Stonedahl, 1988 | |
| Phytocoris utahensis Knight, 1961 | |
| Phytocoris validus Reuter, 1909 | Ornate lupine |
| Phytocoris vanduzeei Reuter, 1912 | Mt. Diablo lupine |
| Phytocoris varius Knight, 1934 | Spinach |
| Phytocoris vau Van Duzee, 1912 | Mother Lode yampah |
| Phytocoris ventralis Van Duzee, 1912 | Mother Lode yampah |
| Phytocoris vinaceus Van Duzee, 1917 | Red-root yampah |
| Phytocoris viridescens (Knight, 1961) | ⇒ Phytocoris interspersus Uhler, 1895 |
| Phytocoris westwoodi (Bliven, 1966) | ⇒ Phytocoris fraterculus Van Duzee, 1918 |
| Phytocoris yollabollae Bliven, 1956 | |
