Heteroptera
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- radians Vollenhoven, 1863 Brachyplatys Plataspidae PARATYPUS
- raffrayi ventralis Schouteden, 1910 Coptosoma Plataspidae TYPUS
- ragusana Fieber, 1861 Lasiotropis Tingidae
- raja Distant, 1892 Cletomorpha Coreidae
- rama Distant, 1904 Acanthaspis Reduviidae
- ramentaceus Germar, 1837 Blapton Reduviidae
- ramivitta Walker, 1867 Symphylus Scutelleridae
- ramosus Walker, 1868 Dinocoris Pentatomidae
- ranina Herrich-Schaeffer, 1853 Nerthra Gelastocoridae
- rapax (Stål, 1860) Alcmena Reduviidae TYPUS
- rapax Stål, 1866 Apronius Reduviidae TYPUS
- rapax (Stål, 1855) Rhynocoris Reduviidae TYPUS
- raphanus Howard, 1872 Nysius Lygaeidae
- raphimerus Spinola, 1852 Harmostes Coreidae
- rapidus Say, 1832 Adelphocoris Miridae
- raptoria Fabricius, 1803 Nerthra Gelastocoridae
- raptoria Stål, 1862 Sinea Reduviidae
- raptrix (Stål, 1866) Veledella Reduviidae TYPUS
- rastellus Schiödte, 1849 Lactistes Cydnidae
- rastrata Stål, 1860 Corimelaena Thyreocoridae TYPUS
- ravana Kirkaldy, 1901 Tetraripis Veliidae
- ravanus Kirkaldy, 1902 Ammianus Tingidae
- reciprocus Walker, 1867 Asopus Pentatomidae
- reclivatus Say, 1825 Lygaeus Lygaeidae
- reclivatus enotus Say, 1831 Lygaeus Lygaeidae
- reconditus Bergroth, 1920 Eribotes Pentatomidae LECTOTYPUS
- recopinata Kirkaldy, Dichobothrium Dinidoridae
- recta Todd, 1959 Nerthra Gelastocoridae
- recticollis Horváth, 1899 Saldula Saldidae
- recticornis Geoffroy, 1785 Megaloceroea Miridae
- rectidens Mayr, 1866 Loxa Pentatomidae
- rectus Mayr, 1871 Hydrocyrius Belostomatidae
- recurva Distant, 1881 Zicca Coreidae
- recurva (Stål, 1868) Triatoma Reduviidae TYPUS
- recurvata Fabricius, 1803 Saica Reduviidae
- recurvus Walker, 1867 Andriscus Acanthosomatidae
- reductus Amyot & Serville, 1843 Prolobodes Cydnidae
- reduvinus Herrich-Schaeffer, 1850 Ectemnus Anthocoridae
- reedi White, 1879 Orius Anthocoridae
- reflexa Signoret, 1858 Halyomorpha Pentatomidae PARATYPUS
- reflexus Dallas, 1851 Mattiphus Pentatomidae
- reflexus Say, 1831 Harmostes Coreidae
- reflexus Stål, 1863 Antilochus Pyrrhocoridae TYPUS
- regalis Westwood, 1842 Paryphes Coreidae
- regius Drury, 1782 Oplomus Pentatomidae
- regularis Champion, Mezira Aradidae
- regularis Mulsant & Rey, 1852 Microplax Lygaeidae
- reicheli Fieber, 1836 Adelphocoris Miridae
- reitteri Reuter, 1882 Rhagovelia Veliidae
- relata Distant, Dymantis Pentatomidae
- remedellii Mc., Geotomus Cydnidae
- remigis Say, 1832 Aquarius Gerridae
- remipes Signoret, 1847 Petascelis Coreidae
- remipes Stål, 1859 Agerrus Pentatomidae TYPUS
- remipes Stål, 1859 Aspongopus Dinidoridae TYPUS
- remipes Stål, 1858 Heteroscelis Asopidae TYPUS
- remotus Horváth, Carpocoris Pentatomidae
- renardii Kolenati, 1857 Zelus Reduviidae
- renecobbeni Lindskog & Chen, ? Metasalda Saldidae PARATYPUS
- reraiense (Lindberg, 1940) Compsidolon Miridae TYPUS
- reraiensis Lindberg, 1940 Phytocoris Miridae TYPUS
- resedae Panzer, 1797 Kleidocerys Lygaeidae
- resedae fuscomaculatus Barber, 1953 Kleidocerys Lygaeidae
- resedae geminatus Say, 1831 Kleidocerys Lygaeidae
- retamae Noualhier, 1893 Orius Anthocoridae
- reticulare Fabricius, 1803 Macropygium Pentatomidae
- reticulata Burmeister, 1835 Microvelia Veliidae
- reticulata Dallas, 1851 Edessa Pentatomidae
- reticulata Guérin, Corixa Corixidae
- reticulata Herrich-Schaeffer, 1835 Lasiotropis Tingidae
- reticulata Herrich-Schaeffer, 1837 Leprosoma Scutelleridae
- reticulata Herrich-Schaeffer, 1838 Lygaeosoma Lygaeidae
- reticulata Stål, 1872 Hymenarcys Pentatomidae TYPUS
- reticulata Thunberg, 1783 Orthoschizops Pentatomidae
- reticulatus Dallas, 1851 Bolbocoris Scutelleridae
- reticulatus Dallas, 1851 Spudaeus Pentatomidae
- reticulatus (Stål, 1864) Alcippus Pentatomidae TYPUS
- reticulatus Stål, 1868 Isyndus Reduviidae
- reuteri Berg, 1879 Microtomus Reduviidae
- reuteri Distant, 1879 Rhynocoris Reduviidae
- reuteri Haglund, 1894 Aspongopus Dinidoridae LECTOTYPUS
- reuteri Haglund, 1895 Odoniella Miridae LECTOTYPUS
- reuteri Horváth, 1885 Xanthochilus Lygaeidae
- reuteri Hungerford, 1928 Notonecta Notonectidae
- reuteri Jakovlev, 1876 Auchenocrepis Miridae
- reuteri Jakovlev, 1881 Camptotylus Miridae
- reuteri Jakovlev, 1876 Milu Nabidae
- reuteri Lethierry & Severin, 1896 Hydrometra Hydrometridae
- reuteri Saunders, 1875 Phytocoris Miridae
- reuteri Schouteden, 1910 Coranus Reduviidae TYPUS
- reuteri Schouteden, 1910 Mevanomorpha Coreidae TYPUS
- reuteri (Stål, 1871) Pachypeltis Miridae TYPUS
- reyi Puton, 1871 Orsillus Lygaeidae
- reynaudi Guérin, 1834 Graptophara Scutelleridae
- rhacinus Distant, 1906 Dinomachus Lygaeidae
- rhadamantha Hoberlandt, 1941 Plesiovelia Veliidae PARATYPUS
- rhadamanthus Gerstaecker, 1873 Platymeris Reduviidae
- rhamnicola Reuter, 1885 Apolygus Miridae
- rhodescana Distant, Coponia Pentatomidae
- rhododactylus (Vollenhoven, 1868) Berecynthus Pentatomidae TYPUS
- rhodomelas Herrich-Schaeffer, 1839 Oplomus Pentatomidae
- rhombea Linnaeus, 1767 Verlusia Coreidae
- rhombeus Erichson, 1848 Harpactor Reduviidae
- rhombeus Linnaeus, 1767 Coreus Coreidae
- rhombeus Linnaeus, 1767 Syromastus Coreidae
- rhombifer (Westwood, 1842) Amorbus Coreidae
- rhomboidalis Puton, 1877 Peritrechus Lygaeidae
- rhomboideus Burmeister, 1835 Coryzoplatus Coreidae
- rhyparus Stål, 1860 Nysius Lygaeidae HOLOTYPUS
- rhyparus (Stål, 1860) Stenopirates Enicocephalidae TYPUS
- ridicula Wygodzinsky, 1966 Phryxobotrys Reduviidae
- rileyi Bergroth, 1892 Rheumatobates Gerridae
- rimata Breddin, 1907 Edessa Pentatomidae
- rinapsus Dallas, 1851 Acrosternum Pentatomidae
- ripula Drake, 1957 Micracanthia Saldidae
- ristrigata Breddin, 1905 Micronecta Corixidae
- rivale Torre-Bueno, 1924 Rhagovelia Veliidae
- rivalis Melin, 1928 Limnocoris Naucoridae TYPUS
- rivana Drake, Rhagovelia Veliidae PARATYPUS
- riveti Royer, 1923 Stictopleurus Rhopalidae
- rivularia Sahlberg, 1878 Macrosaldula Saldidae TYPUS
- rivularis Germar, 1837 Spilostethus Lygaeidae
- rivulorum Fabricius, 1775 Velia Veliidae
- rixosa Stål, 1862 Edessa Pentatomidae TYPUS
- robusta Distant, Sjöstedtina Alydidae
- robusta Hale, 1923 Micronecta Corixidae
- robusta Stål, 1870 Cebrenis Coreidae LECTOTYPUS
- robusta Stål, 1863 Physopelta Largidae TYPUS
- robusta Uhler, 1871 Aquarius Gerridae
- robustus Dallas, 1852 Riptortus Alydidae
- robustus Distant, 1883 Orasus Miridae HOLOTYPUS
- robustus Haglund, 1868 Peromatus Pentatomidae HOLOTYPUS
- robustus Jakovlev, 1884 Odontotarsus Scutelleridae
- robustus Kormilev, 1973 Aneurus Aradidae
- robustus Kormilev, 1962 Daulocoris Aradidae
- robustus Kormilev, 1962 Notoplocoris Aradidae HOLOTYPUS
- robustus Larrousse, 1927 Rhodnius Reduviidae
- robustus Lepeletier & Serville, 1825 Eusthenes Pentatomidae PARATYPUS
- robustus Mayr, 1865 Amorbus Coreidae
- robustus Ruckes, 1958 Dinocoris Pentatomidae
- robustus Stål, 1871 Laccotrephes Nepidae TYPUS
- robustus Uhler, 1871 Aradus Aradidae
- roehneri Philippi, 1862 Comperocoris Pentatomidae
- roeselii Schilling, 1829 Arocatus Lygaeidae
- rogenhoferi Fieber, 1864 Cymatia Corixidae
- rogenhoferi Mayr, 1864 Allocotus Pentatomidae
- rogersi Distant, 1881 Sephina Coreidae
- rolandri Linnaeus, 1758 Aphanus Lygaeidae
- rolandri aethiops Douglas & Scott, 1868 Aphanus Lygaeidae
- rolliniae Drake & Hambleton, 1934 Idiostyla Tingidae PARATYPUS
- romani (Bergroth), MS-name? Riggiella Lygaeidae TYPUS?
- romani Drake, 1947 Sphaerocysta Tingidae PARATYPUS
- romani Kormilev, MS-name? Mezira Aradidae TYPUS?
- romani Melin, 1930 Phymata Phymatidae TYPUS
- romani Wygodzinsky, 1947 Malacopus Reduviidae HOLOTYPUS
- roqueensis Melin, 1930 Phymata Phymatidae TYPUS
- roripes Stål, 1860 Euschistus Pentatomidae TYPUS
- roripes Stål, 1860 Nabis Nabidae TYPUS
- rosea Noualhier, 1893 Acrosternum Pentatomidae
- rosea Westwood, 1837 Lyramorpha Pentatomidae
- roseipennis Reuter, 1872 Nabis Nabidae TYPUS
- roseipennis Reuter, 1905 Orthotylus Miridae TYPUS
- roseomaculatus de Geer, 1773 Calocoris Miridae
- roseri Herrich-Schaeffer, 1838 Salicarus Miridae
- roseus Fallén, 1807 Conostethus Miridae
- roseus Fallén, 1777 Psallus Miridae
- roseus Vollenhoven, 1868 Chlorocoris Pentatomidae
- rosmarus Dallas, 1851 Axiagastus Pentatomidae
- rossi Evans, 1931 Phymata Phymatidae
- rostra Truxal, Buenoa Notonectidae
- rostralis (Stål, 1860) Podisus Pentatomidae TYPUS
- rostrata Boheman, 1852 Aelia Pentatomidae LECTOTYPUS
- rostrata Fabricius, 1781 Diploxys Pentatomidae
- rostratus Drury, 1782 Platynopus Pentatomidae
- rostratus Fabricius, 1803 Megarhynchus Pentatomidae
- rosulentus Stål, 1871 Pygoplatys Pentatomidae TYPUS
- rothermundi Scholtz, 1847 Sthenarus Miridae
- rotundata Herrich-Schäffer, 1838 Octacysta Tingidae
- rotundata (Signoret, 1858 Parantestia Pentatomidae TYPUS
- rotundatus Champion, 1901 Gelastocoris Gelastocoridae
- rotundatus Horváth, 1882 Trochiscocoris Pentatomidae
- rotundatus Signoret, 1852 Cimex Cimicidae
- rotundatus (Stål, 1874) Oncocephalus Reduviidae TYPUS
- rotundicollis Jakovlev, 1883 Tingis Tingidae
- rotundicollis Signoret, 1858 Nerthra Gelastocoridae
- roubaudi Villiers, 1948 Mastigonomus Reduviidae
- roylii Westwood, 1837 Lamprocoris Scutelleridae
- ruandae Hoberlandt, 1981 Aneurus Aradidae PARATYPUS
- rubella Puton, 1889 Tuponia Miridae
- rubens Fabricius, 1794 Pycanum Pentatomidae
- rubens Stål, 1870 Ectatops Pyrrhocoridae TYPUS
- rubens Stål, 1854 Macrina Pentatomidae TYPUS
- ruber Linnaeus, 1758 Deraeocoris Miridae
- ruber Reuter, 1876 Oncerometopus Miridae TYPUS
- rubescens Amyot & Serville, 1843 Holymenia Coreidae
- rubescens Buchanan-White, 1881 Nysius Lygaeidae
- rubescens Spinola, 1852 Corizus Rhopalidae
- rubescens (Stål, 1860) Melanocoryphus Lygaeidae TYPUS
- rubescens Walker, 1868 Chlorocoris Pentatomidae
- rubescens Vollenhoven, 1868 Stenozygum Pentatomidae PARATYPUS
- rubiaceus Amyot & Serville, 1843 Ectatops Pyrrhocoridae
- rubicunda Stål, 1872 Apterola Lygaeidae
- rubicunda (Stål, 1865) Lerida Pentatomidae TYPUS
- rubicundus Fallén, 1807 Agnocoris Miridae
- rubicundus Signoret, 1859 Corizus Rhopalidae LECTOTYPUS
- rubicundus (Stål, 1860) Amorbus Coreidae TYPUS
- rubidus Lepeletier & Serville, 1825 Zelus Reduviidae
- rubidus Puton, 1874 Orthotylus Miridae
- rubiginosus Bergroth, 1887 Neuroctenus Aradidae TYPUS
- rubidus Lepeletier & Serville, 1825 Zelus Reduviidae
- rubiginosus Fabricius, 1787 Dindymus Pyrrhocoridae
- rubiginosus Fieber, 1861 Tinicephalus Miridae
- rubiginosus Guérin, 1838 Amorbus Coreidae
- rubiginosus Pallas, 1805 Petalochirus Reduviidae
- rubra Amyot & Serville, 1843 Durganda Reduviidae
- rubra Linnaeus, 1758 Nepa Nepidae
- rubra fuscipes Stål, 1866 Durganda Reduviidae TYPUS
- rubrica Seidenstucker, 1954 Cyphodema Miridae
- rubricator mayorgae Brailovsky & Cadena, 1992 Zicca Coreidae PARATYPUS
- rubricatus Bergroth, 1922 Cyrtotylus Miridae TYPUS
- rubricatus Fallén, 1807 Pinalitus Miridae
- rubricatus Reuter, 1900 Liorhyssus Coreidae
- rubricatus Stål, 1871 Oncopeltus Lygaeidae TYPUS
- rubricatus Stål, 1874 Sycanus Reduviidae TYPUS
- rubricatus tyrolensis Wagner, 1955 Pinalitus Miridae
- rubricosa (Stål, 1854) Antilochus Pyrrhocoridae TYPUS
- rubricosa Stål, 1870 Jalla Pentatomidae TYPUS
- rubricosa (Stål, 1855) Mardania Reduviidae TYPUS
- rubricosus Bolivar, 1879 Corizus Rhopalidae
- rubricosus (Stål, 1855) Fusius Reduviidae TYPUS
- rubricosus Stål, 1872 Zelus Reduviidae TYPUS
- rubriger (Stål, 1862) Melanocoryphus Lygaeidae TYPUS missing
- rubriginosa Walker, 1872 Lygaeosoma Lygaeidae
- rubrinervis Herrich-Schaeffer, 1835 Calocoris Miridae
- rubrinervis Poppius, 1910 Helopeltis Miridae TYPUS
- rubrinervis Stål, 1862 Creontiades Miridae TYPUS
- rubripennis Reuter, 1881 Coranus Reduviidae TYPUS
- rubripes Stål, 1855 Glymmatophora Reduviidae TYPUS
- rubrocinctus Herrich-Schaeffer, 1848 Apiomerus Reduviidae
- rubrocinctus Herrich-Schaeffer, 1839 Tiridates Scutelleridae
- rubrocinctus Stål, 1863 Melamphaus Pyrrhocoridae
- rubrocinctus decemmaculatus Kirkaldy, 1909 Tiridates Scutelleridae LECTOTYPUS
- rubrocinctus decolor Kirkaldy, 1909 Tiridates Scutelleridae LECTOTYPUS
- rubrocinctus sexmaculatus Kirkaldy, 1909 Tiridates Scutelleridae LECTOTYPUS
- rubrofasciata de Geer, 1773 Triatoma Reduviidae
- rubrofasciatus Fabricius, 1787 Piezodorus Pentatomidae
- rubroguttatus (Stål, 1854) Oplomus Pentatomidae TYPUS
- rubrolimbatus Amyot & Serville, 1843 Apiomerus Reduviidae
- rubrolineata Westwood, 1837 Graphosoma Scutelleridae
- rubromaculatus Blackburn, 1889 Empicoris Reduviidae
- rubromaculatus Dallas, 1851 Brachystethus Pentatomidae
- rubromarga Maldonado, 1976 Heza Reduviidae HOLOTYPUS
- rubromarginata Reuter, 1881 Pentatoma Pentatomidae
- rubronotatus Stål, 1897 Capaneus Coreidae
- rubro-ornatus (Stål, 1855) Athaumastus Coreidae TYPUS
- rubropicta Amyot & Serville, 1843 Velitra Reduviidae
- rubropicta Westwood, 1842 Phthia Coreidae
- rubropictus Montandon, 1897 Capaneus Coreidae
- rubropictus Vollenhoven, 1863 Oplomus Pentatomidae
- rubropunctatum Guérin, 1838 Solenostethium Scutelleridae
- rubrovaria Blanchard, 1843 Triatoma Reduviidae
- rubrovenosum (Stål, 1860) Brontostoma Reduviidae TYPUS
- rubrovittatus Stål, 1862 Prepops Miridae TYPUS
- rubrum Amyot & Serville, 1843 Brontostoma Reduviidae
- rudgeae Drake & Hambleton, 1934 Leptopharsa Tingidae PARATYPUS
- rudis Germar, 1839 Testrica Scutelleridae
- rudis Vollenhoven, 1863 Cantao Scutelleridae PARATYPUS
- rufescens Burmeister, 1835 Hallodapus Miridae
- rufescens Costa, 1847 Dysepicritus Anthocoridae
- rufescens Dallas, 1851 Anaxandra Acanthosomatidae
- rufescens Haglund, 1868 Oebalus Pentatomidae TYPUS
- rufescens Herrich-Schaeffer, 1835 Heterogaster Lygaeidae
- rufescens Herrich-Schaeffer, 1835 Metatropis Berytidae
- rufescens Poppius, 1910 Stenotus Miridae TYPUS
- rufescens Sahlberg, 1875 Pachycoleus Dipsocoridae
- rufescens Stål, 1873 Daclera Alydidae TYPUS
- rufescens Wollenhoven, 1868 Cantheocona Pentatomidae
- ruficeps Bergroth, 1922 Cylapus Miridae TYPUS
- ruficeps Dallas, 1851 Oncylaspis Plataspidae
- ruficeps Germar, 1837 Geocoris Lygaeidae
- ruficeps Perty, 1830 Dysdercus Pyrrhocoridae
- ruficeps Reuter, 1884 Loricula Microphysidae
- ruficeps Stål, 1862 Zelus Reduviidae LECTOTYPUS
- ruficeps Thomson, 1871 Hebrusella Hebridae
- ruficollis Linnaeus, 1764 Dysdercus Pyrrhocoridae
- ruficollis Stål, 1872 Rhiginia Reduviidae TYPUS
- ruficollis (Stål, 1872) Zelurus Reduviidae TYPUS
- ruficornis Geoffroy, 1785 Trigonotylus Miridae
- ruficornis Stål, 1870 Anasa Coreidae LECTOTYPUS
- ruficornis Stål, 1876 Anchesmus Pentatomidae TYPUS
- ruficornis Stål, 1872 Blaudus Acanthosomatidae LECTOTYPUS
- ruficrus Perty, 1830 Nematopus Coreidae
- rufidorsis (Stål, 1865) Plectrocnemia Coreidae TYPUS
- rufifemoratus Dallas, 1852 Graptostethus Lygaeidae
- rufifrons Fallén, 1807 Orthonotus Miridae
- rufigenu Fallou, 1891 Rhynocoris Reduviidae
- rufigenus Dallas, 1851 Poecilocoris Scutelleridae
- rufimanus Stål, 1872 Euschistus Pentatomidae TYPUS
- rufinasus (Stål, 1860) Euchilocoris Miridae TYPUS
- rufinervis Reuter, 1905 Alloeochrus Miridae TYPUS
- rufiniventris Germar, 1837 Oxycarenus Lygaeidae
- rufipennis Fallén, 1807 Dichrooscytus Miridae
- rufipennis Laporte, 1832 Largus Largidae TYPUS
- rufipes Distant, 1911 Macropes Lygaeidae HOLOTYPUS
- rufipes Fabricius, 1787 Manicocoris Reduviidae
- rufipes Linnaeus, 1758 Pentatoma Pentatomidae
- rufipes Linnaeus, 1758 Tropicoris Pentatomidae
- rufipes Reuter, 1881 Santosia Reduviidae TYPUS
- rufipes Stål, 1860 Apiomerus Reduviidae LECTOTYPUS
- rufipes Stål, 1872 Arocatus Lygaeidae TYPUS
- rufipes Stål, 1856 Cleptria Reduviidae TYPUS
- rufipes Stål, 1870 Dysdercus Pyrrhocoridae LECTOTYPUS
- rufipes Stål, 1870 Euscopus Pyrrhocoridae TYPUS
- rufipes (Stål, 1874) Malezonotus Lygaeidae LECTOTYPUS
- rufipes (Stål, 1871) Tapeinus Reduviidae TYPUS
- rufipes Wolff, 1804 Acompus Lygaeidae
- rufispina Stål, 1871 Cuspicona Pentatomidae TYPUS
- rufispinus Dallas, 1851 Chlorocoris Pentatomidae
- rufiventris Germar, 1837 Caura Pentatomidae
- rufiventris (Stål, 1855) Graptostethus Lygaeidae TYPUS
- rufocinctus Stål, 1870 Dinidor Dinidoridae LECTOTYPUS
- rufolimbata Stål, 1872 Arocera Pentatomidae TYPUS
- rufo-maculata Stål, 1871 Brachyaulax Scutelleridae LECTOTYPUS
- rufomarginata de Geer, 1773 Edessa Pentatomidae
- rufomarginata Fabricius, 1794 Serinetha Coreidae
- rufomarginata cruenta Fabricius, 1775 Edessa Pentatomidae
- rufomarginata furcata Pallas, 1805 Edessa Pentatomidae
- rufomarginatus Costa, ? Orthocephalus Miridae
- rufonotata Stål, 1861 Arocera Pentatomidae TYPUS LECTOTYPUS
- rufopictus Walker, 1868 Chlorocoris Pentatomidae
- rufopictus Walker, 1867 Cryptacrus Scutelleridae
- rufoplagiatus Reuter, 1905 Stenotus Miridae TYPUS
- rufoscutellatus Latreille, 1807 Limnoporus Gerridae
- rufospilotus Westwood, 1837 Lincus Pentatomidae
- rufotuberculatus (Champion, 1899) Panstrongylus Reduviidae
- rufus Distant, 1918 Graptostethus Lygaeidae
- rufus Laporte, 1833 Durganda Reduviidae
- rufus Schilling, 1829 Rhopalus Rhopalidae
- rufus Serville, 1831 Tydides Reduviidae
- rufus Thunberg, 1822 Rhynocoris Reduviidae
- rufus Westwood, 1837 Bolbocoris Scutelleridae
- rufusculus Reuter, 1872 Nabis Nabidae TYPUS
- rugicollis Costa, 1853 Mimocoris Miridae
- rugicollis Fallén, 1807 Lygocoris Miridae
- rugicollis Jakovlev, 1884 Odontotarsus Scutelleridae
- rugicollis (Reuter, 1871) Orius Anthocoridae TYPUS
- rugicollis Westwood, 1837 Basicryptus Pentatomidae
- rugifer Stål, 1872 Euschistus Pentatomidae LECTOTYPUS
- rugifer (Stål, 1860) Homoeocerus Coreidae TYPUS
- rugifera Stål, 1872 Edessa Pentatomidae TYPUS
- rugifossa Bergroth, 1913 Bathycoelia Pentatomidae
- rugosa Motschulsky, 1861 Eurydema Pentatomidae
- rugosa Rolston, 1978 Mormidea Pentatomidae
- rugosa Signoret, 1858 Mezira Aradidae
- rugoscutum Signoret, 1881 Ectinopus Cydnidae
- rugosicollis (Stål, 1862) Veseris Reduviidae TYPUS
- rugosipes Guérin, 1859 Macrocephalus Phymatidae
- rugosus Germar, 1839 Stiretrus Pentatomidae
- rugosus Haglund, 1868 Aednus Pentatomidae TYPUS
- rugosus Linnaeus, 1758 Nabis Nabidae
- rugosus Signoret, 1863 Lanopis Acanthosomatidae PARATYPUS
- rugulipennis Poppius, 1911 Lygus Miridae
- rugulosa Distant, 1887 Carbula Pentatomidae
- rugulosa Dohrn., 1860 Eurydema Pentatomidae
- rugulosa Say, 1832 Tepa Pentatomidae
- rugulosa Stål, 1863 Acanthaspis Reduviidae TYPUS
- rugulosa Stål, 1859 Nagusta Reduviidae TYPUS
- rugulosissima (Stål, 1859) Vestula Reduviidae TYPUS
- rugulosus Herrich-Schaeffer, 1839 Augocoris Scutelleridae
- rumiana Drake & Hambleton, 1946 Leptopharsa Tingidae PARATYPUS
- rumicis Lindberg, 1953 Lindbergopsallus Miridae PARATYPUS
- russatus Stål, 1854 Basicryptus Pentatomidae TYPUS
- russatus Stål, 1867 Cydnocoris Reduviidae TYPUS
- russus Stål, 1863 Antilochus Pyrrhocoridae TYPUS
- rustica Fabricius, 1781 Trigonosoma Scutelleridae
- rustica Stål, 1870 Acidomeria Coreidae HOLOTYPUS
- rustica Stål, 1859 Placoscelis Coreidae
- rusticus Fabricius, 1781 Diplonychus Belostomatidae
- rusticus Fallén, 1807 Stygnocoris Lygaeidae
- rusticus (Stål, 1866) Arocatus Lygaeidae LECTOTYPUS
- rusticus Stål, 1865 Blissus Lygaeidae TYPUS
- rusticus Stål, 1860 Cletus Coreidae LECTOTYPUS
- rusticus Stål, 1870 Dysdercus Pyrrhocoridae LECTOTYPUS
- rusticus Stål, 1854 Sciocoris Pentatomidae TYPUS
- rutila Fabricius, 1775 Agonoscelis Pentatomidae
- rutilus Herrich-Schaeffer, 1838 Deraeocoris Miridae
- rutshurica Schouteden, 1954 Plerochila Tingidae
- ryeii Douglas & Scott, 1865 Sylvadrymus Lygaeidae