| Subgenus | Orthotylus (Kiiorthotylus)
| 1 | Species |
| Subgenus | Orthotylus (Labopidea)
Uhler, 1877
| 3 | Species |
| Subgenus | Orthotylus (Litocoris)
Fieber, 1860
| 8 | Species |
| Subgenus | Orthotylus (Melanotrichus)
Reuter, 1875
| 33 | Species |
| Subgenus | Orthotylus (Neomecomma)
Southwood, 1953
| 2 | Species |
| Subgenus | Orthotylus (Neopachylops)
Wagner, 1855
| 7 | Species |
| Subgenus | Orthotylus (Orthotylus)
Fieber, 1858
| 82 | Species |
| Subgenus | Orthotylus (Pachylops)
Fieber, 1858
| 13 | Species |
| Subgenus | Orthotylus (Parapachylops)
| 13 | Species |
| Subgenus | Orthotylus (Pinocapsus)
Southwood, 1953
| 4 | Species |
| Subgenus | Orthotylus (Pseudorthotylus)
| 1 | Species |
| Subgenus | Orthotylus (Yamatorthotylus)
Yasunaga, 1999
| 1 | Species |
| Species | Orthotylus abbreviatus Linnavuori, 1975
| | |
| Species | Orthotylus acaciae Wagner, 1974
| | |
| Species | Orthotylus acacicola Lindberg, 1958
| 2 | Subspecies |
| Species | Orthotylus acaciola Lindberg, 1958
| | |
| Species | Orthotylus acasicola Lindberg, 1958
| | |
| Species | Orthotylus aceris Lindberg, 1940
| | |
| Species | Orthotylus achilleae Putshkov V., 1979
| | |
| Species | Orthotylus aeruginosus Berg, 1892
| | |
| Species | Orthotylus aesculicola Blinn, 1987
| | |
| Species | Orthotylus aeseulicola Blinn, 1987
| | |
| Species | Orthotylus aineias Linnavuori, 1994
| | |
| Species | Orthotylus akastos Linnavuori, 1994
| | |
| Species | Orthotylus akheloos Linnavuori, 1994
| | |
| Species | Orthotylus alaiensis Reuter, 1883
| | |
| Species | Orthotylus albocostatus Van Duzee, 1918
| | |
| Species | Orthotylus albovittatus Reuter, 1901
| | |
| Species | Orthotylus algens Vinokurov, 1982
| | |
| Species | Orthotylus althaeae Carvalho, 1958
| | |
| Species | Orthotylus althaia Linnavuori, 1994
| | |
| Species | Orthotylus angeloi Carvalho, 1986
| | |
| Species | Orthotylus angustatus Herrich-Schaeffer, 0
| | |
| Species | Orthotylus angustus Herrich-Schaeffer, 1835
| | |
| Species | Orthotylus anjuanensis Carvalho, 1985
| | |
| Species | Orthotylus antennalis Reuter, 1904
| | |
| Species | Orthotylus antidesmae Polhemus, 2005
| | |
| Species | Orthotylus antidesmoides Polhemus, 2011
| | |
| Species | Orthotylus apodiensis Carvalho & Costa, 1990
| | |
| Species | Orthotylus arabicus Wagner, 1962
| | |
| Species | Orthotylus aragarssanus Carvalho & Costa, 1990
| | |
| Species | Orthotylus arboreae Linnavuori, 1992
| | |
| Species | Orthotylus argenteopunctatus Wagner, 1957
| | |
| Species | Orthotylus argentinus Carvalho, 1985
| | |
| Species | Orthotylus armoricanus Ehanno & Matocq, 1990
| | |
| Species | Orthotylus arthrophyti Wagner, 1969
| | |
| Species | Orthotylus asper Linnavuori, 1975
| | |
| Species | Orthotylus atricornis Carvalho, 1958
| | |
| Species | Orthotylus atriplicis Knight, 1968
| | |
| Species | Orthotylus attali Morkel & Wyniger, 2009
| | |
| Species | Orthotylus aureopubescens Carvalho & Schaffner, 1973
| | |
| Species | Orthotylus austera Stichel, 1957
| | |
| Species | Orthotylus azalais Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus bahianus Carvalho, 1976
| | |
| Species | Orthotylus balcanicus Josifov, 1974
| | |
| Species | Orthotylus bermani Kerzhner, 1988
| | |
| Species | Orthotylus bicolor Carvalho & Carpintero, 1986
| | |
| Species | Orthotylus biguttatus Reuter, 1909
| | |
| Species | Orthotylus biskrensis Wagner, 1974
| | |
| Species | Orthotylus bobo Linnavuori, 1994
| | |
| Species | Orthotylus bonaerensis Carvalho & Carpintero, 1986
| | |
| Species | Orthotylus boydi Schwartz & Wall, 2001
| | |
| Species | Orthotylus brasiliensis Carvalho & Schaffner, 1973
| | |
| Species | Orthotylus brevirostris Knight, 1968
| | |
| Species | Orthotylus brindleyi Knight, 1968
| | |
| Species | Orthotylus calderensis Carvalho & Carpintero, 1991
| | |
| Species | Orthotylus callitris Lindberg, 1940
| | |
| Species | Orthotylus carinatus Wagner, 1968
| | |
| Species | Orthotylus carioca Carvalho, 1990
| | |
| Species | Orthotylus carneae Wagner, 1949
| | |
| Species | Orthotylus castaneus Carvalho & Costa, 1990
| | |
| Species | Orthotylus castellanus Ribes, 1978
| | |
| Species | Orthotylus catarinensis Carvalho, 1985
| | |
| Species | Orthotylus catulus Van Duzee, 1916
| | |
| Species | Orthotylus caviceps Wagner, 1971
| | |
| Species | Orthotylus ceratoides Muminov, 1990
| | |
| Species | Orthotylus chapadensis Carvalho, 1985
| | |
| Species | Orthotylus chariensis Linnavuori, 1975
| | |
| Species | Orthotylus chelifer Carvalho, 1958
| | |
| Species | Orthotylus chilensis Carvalho & Fontes, 1973
| | |
| Species | Orthotylus chimaera Matocq & Pagola-Carte, 2019
| | |
| Species | Orthotylus chlorionis Carvalho, 1958
| | |
| Species | Orthotylus chloropterus Kirschbaum, 1856
| | |
| Species | Orthotylus choberiae Franz & Wagner, 1961
| | |
| Species | Orthotylus choii Josifov, 1976
| | |
| Species | Orthotylus chullan Forero, 2009
| | |
| Species | Orthotylus cinereae Wagner, 1956
| | |
| Species | Orthotylus clarensis Carvalho & Costa, 1990
| | |
| Species | Orthotylus clermontiae Polhemus, 2002
| | |
| Species | Orthotylus clermonticola Polhemus, 2005
| | |
| Species | Orthotylus clermontiella Polhemus, 2005
| | |
| Species | Orthotylus clermontioides Polhemus, 2005
| | |
| Species | Orthotylus clermontiopsis Polhemus, 2011
| | |
| Species | Orthotylus coagulatus Uhler, 1877
| | |
| Species | Orthotylus compactus Linnavuori, 1975
| | |
| Species | Orthotylus compsus Reuter, 1907
| | |
| Species | Orthotylus concolors Dempster, 1966
| | |
| Species | Orthotylus congrex Uhler, 1887
| | |
| Species | Orthotylus contractulus Linnavuori, 1965
| | |
| Species | Orthotylus coprosmae Polhemus, 2002
| | |
| Species | Orthotylus coprosmaphagus Polhemus, 2011
| | |
| Species | Orthotylus coprosmaphila Polhemus, 2005
| | |
| Species | Orthotylus coprosmicola Polhemus, 2005
| | |
| Species | Orthotylus coprosmivorus Polhemus, 2011
| | |
| Species | Orthotylus coprosmoides Polhemus, 2002
| | |
| Species | Orthotylus coprosmopsis Polhemus, 2005
| | |
| Species | Orthotylus cornichus Wagner, 1969
| | |
| Species | Orthotylus cornupunctus Ghauri, 1972
| | |
| Species | Orthotylus corsicensis Linnavuori, 1992
| | |
| Species | Orthotylus costai Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus croceus Sahlberg, 1889
| | |
| Species | Orthotylus custeri Knight, 1968
| | |
| Species | Orthotylus cyanescens Carvalho & Ferreira, 1986
| | |
| Species | Orthotylus daphne Kirkaldy, 1902
Navajo saltbush | 1 | Subspecies |
| Species | Orthotylus deflavus Stichel, 1957
| | |
| Species | Orthotylus delicatus Heidemann, 1892
| | |
| Species | Orthotylus demensus Van Duzee, 1925
| | |
| Species | Orthotylus diamantinus Carvalho, 1984
| | |
| Species | Orthotylus diospyri Polhemus, 2002
| | |
| Species | Orthotylus diospyricola Polhemus, 2005
| | |
| Species | Orthotylus diospyroides Polhemus, 2005
| | |
| Species | Orthotylus diospyropsis Polhemus, 2005
| | |
| Species | Orthotylus diospyvivorus Polhemus, 2011
| | |
| Species | Orthotylus divergens Carvalho, 1958
| | |
| Species | Orthotylus douglasi Saunders, 1874
| | |
| Species | Orthotylus dubautiae Polhemus, 2011
| | |
| Species | Orthotylus dubauticola Polhemus, 2011
| | |
| Species | Orthotylus dumosus Seidenstucker, 1971
| | |
| Species | Orthotylus elaeocarpi Polhemus, 2011
| | |
| Species | Orthotylus emiliae Kerzhner, 1972
| | |
| Species | Orthotylus ericeinellae Carvalho, 1983
| | |
| Species | Orthotylus ericinellae Poppius, 1910
| | |
| Species | Orthotylus erinaceae Wagner, 1977
| | |
| Species | Orthotylus esavianus Carvalho & Ferreira, 1986
| | |
| Species | Orthotylus euchloris Reuter, 1908
| | |
| Species | Orthotylus eurotiae Knight, 1968
| | |
| Species | Orthotylus eurynome Kirkaldy, 1902
| | |
| Species | Orthotylus farcha Linnavuori, 1994
| | |
| Species | Orthotylus ferox Van Duzee, 1916
| | |
| Species | Orthotylus flavicornis Latreille, 1804
| | |
| Species | Orthotylus flavoparsus C. Sahlberg, 1842
| | |
| Species | Orthotylus flavosparus
| 1 | Subspecies |
| Species | Orthotylus flavosponsus Gollner-Scheiding, 1974
| | |
| Species | Orthotylus flemingi Schwartz & Scudder, 2003
| | |
| Species | Orthotylus floralis Hahn, 1833
| | |
| Species | Orthotylus fumidus Van Duzee, 1916 ⇒ Noctuocoris fumidus
| | |
| Species | Orthotylus fusconiger Stichel, 1933
| | |
| Species | Orthotylus fusicornis Carvalho, 1958
| | |
| Species | Orthotylus geniculatus Synave, 1970
| | |
| Species | Orthotylus genisticola Carapezza, 1997
| | |
| Species | Orthotylus gracilis Reuter, 1900
| | |
| Species | Orthotylus guaranianus Carvalho & Fontes, 1973
| | |
| Species | Orthotylus guttula Matsumura, 1917
| | |
| Species | Orthotylus halaibicus Linnavuori, 1975
| 1 | Subspecies |
| Species | Orthotylus haloxyloni Wagner, 1956
| | |
| Species | Orthotylus harryi Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus hazeltoni Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus hedyoti Polhemus, 2002
| | |
| Species | Orthotylus hedyoticola Polhemus, 2002
| | |
| Species | Orthotylus hedyotiella Polhemus, 2005
| | |
| Species | Orthotylus hedyotioides Polhemus, 2005
| | |
| Species | Orthotylus hedyotiopsis Polhemus, 2002
| | |
| Species | Orthotylus hedyotiphila Polhemus, 2005
| | |
| Species | Orthotylus hedyotivorus Polhemus, 2005
| | |
| Species | Orthotylus hibisci Polhemus, 2002
| | |
| Species | Orthotylus hirtulus Wagner, 1951
| | |
| Species | Orthotylus hodiernus Linnavuori, 1961
| | |
| Species | Orthotylus icterocephalus Hahn, 1833
| | |
| Species | Orthotylus ife Linnavuori, 1994
| | |
| Species | Orthotylus ilicis Polhemus, 2002
| | |
| Species | Orthotylus immaculatus Knight, 1923
| | |
| Species | Orthotylus inconspicuus Carvalho, 1958
| | |
| Species | Orthotylus incurvus Carvalho, 1958
| | |
| Species | Orthotylus indigoferae Linnavuori, 1975
| | |
| Species | Orthotylus insignis Van Duzee, 1916
| | |
| Species | Orthotylus iolani Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus joacemensis Carvalho & Costa, 1992
| | |
| Species | Orthotylus joifovi Wagner E., 1959
| | |
| Species | Orthotylus jordanicus Wagner, 1974
| | |
| Species | Orthotylus josei Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus kakan Forero, 2009
| | |
| Species | Orthotylus kanakanus Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus kara Polhemus, 2005
| | |
| Species | Orthotylus kassandra Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus kassandroides Polhemus, 2005
| | |
| Species | Orthotylus kassandropsis Polhemus, 2005
| | |
| Species | Orthotylus kekele Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus kenamuke Linnavuori, 1975
| | |
| Species | Orthotylus kikin Forero, 2009
| | |
| Species | Orthotylus kirschbaumii Flor, 1860
| | |
| Species | Orthotylus kmenti Çerçi & Koçak, 2021
| | |
| Species | Orthotylus kogurjonicus Josifov, 1992
| | |
| Species | Orthotylus kopiko Polhemus, 2005
| | |
| Species | Orthotylus kopikocola Polhemus, 2011
| | |
| Species | Orthotylus kopikoides Polhemus, 2011
| | |
| Species | Orthotylus kopikopsis Polhemus, 2011
| | |
| Species | Orthotylus kopikovorus Polhemus, 2011
| | |
| Species | Orthotylus korbanus Wagner, 1977
| | |
| Species | Orthotylus kymgangsanicus Josifov, 1987
| | |
| Species | Orthotylus leokhares Linnavuori, 1990
| | |
| Species | Orthotylus leonardi Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus lethieryi Carvalho, 1958
| | |
| Species | Orthotylus leviculus Knight, 1927
| | |
| Species | Orthotylus limbatus Perris, 1857
| | |
| Species | Orthotylus luridus Reuter, 1875
| | |
| Species | Orthotylus lutescens Stichel, 1933
| | |
| Species | Orthotylus macrophthalmus Wagner, 1960
| | |
| Species | Orthotylus mafraq Linnavuori & Al-Safadi, 1993
| | |
| Species | Orthotylus major Wagner, 1969
| | |
| Species | Orthotylus manauensis Carvalho, 1983
| | |
| Species | Orthotylus manoniella Polhemus, 2011
| | |
| Species | Orthotylus manono Polhemus, 2011
| | |
| Species | Orthotylus manonocola Polhemus, 2011
| | |
| Species | Orthotylus manonoides Polhemus, 2011
| | |
| Species | Orthotylus manonophagus Polhemus, 2011
| | |
| Species | Orthotylus manonophila Polhemus, 2011
| | |
| Species | Orthotylus manonovorus Polhemus, 2011
| | |
| Species | Orthotylus maritini Wagner, 1974
| | |
| Species | Orthotylus maroccanus Wagner, 1958
| | |
| Species | Orthotylus martini Puton, 1887
| | |
| Species | Orthotylus massawanus Linnavuori, 1975
| | |
| Species | Orthotylus masutti Linnavuori, 1977
| | |
| Species | Orthotylus matocqi Carapezza, 1997
| | |
| Species | Orthotylus matogrossensis Carvalho, 1985
| | |
| Species | Orthotylus maurus Wagner, 1969
| | |
| Species | Orthotylus mayri Carvalho, 1958
| | |
| Species | Orthotylus mayrii V.Signoret, 1880
| | |
| Species | Orthotylus mediterraneae Wagner, 1971
| | |
| Species | Orthotylus melanotylus Kerzhner, 1962
| | |
| Species | Orthotylus melicopi Polhemus, 2005
| | |
| Species | Orthotylus melicopoides Polhemus, 2011
| | |
| Species | Orthotylus membraneus Lindberg, 1940
| | |
| Species | Orthotylus membranosus Carvalho & Costa, 1992
| | |
| Species | Orthotylus mentor Linnavuori, 1994
| | |
| Species | Orthotylus meridionalis Josifov & Simov, 2006
| | |
| Species | Orthotylus metrosideri Polhemus, 2005
| | |
| Species | Orthotylus metrosideropsis Polhemus, 2011
| | |
| Species | Orthotylus mimus Knight, 1927
| | |
| Species | Orthotylus minensis Carvalho, 1985
| | |
| Species | Orthotylus minus Carvalho, 1958
| | |
| Species | Orthotylus missionensis Carvalho, 1985
| | |
| Species | Orthotylus mistus Knight, 1925
| | |
| Species | Orthotylus mollis Linnavuori, 1975
| | |
| Species | Orthotylus monticalus Linnavuori, 1975
| | |
| Species | Orthotylus morcreaffi Southwood & Leston, 1959
| | |
| Species | Orthotylus mourei Carvalho, 1985
| | |
| Species | Orthotylus mundricus Linnavuori, 1994
| | |
| Species | Orthotylus mutabilis Buchanan-White, 1878
| | |
| Species | Orthotylus namphoensis Josifov, 1976
| | |
| Species | Orthotylus neocoprosmae Polhemus, 2002
| | |
| Species | Orthotylus neoilicis Polhemus, 2002
| | |
| Species | Orthotylus neopsychotriae Polhemus, 2005
| | |
| Species | Orthotylus neopsychotricus Polhemus, 2011
| | |
| Species | Orthotylus neopsychotrioides Polhemus, 2005
| | |
| Species | Orthotylus neopsychotriopsis Polhemus, 2011
| | |
| Species | Orthotylus nestegiae Polhemus, 2005
| | |
| Species | Orthotylus nicholi Carvalho, 1958
| | |
| Species | Orthotylus nigrescens Carvalho & Fontes, 1973
| | |
| Species | Orthotylus nigricollis Wagner, 1962
| | |
| Species | Orthotylus nigrinasi Van Duzee, 1916
| | |
| Species | Orthotylus nigripes Reuter, 1909
| | |
| Species | Orthotylus nigroluteus Carvalho & Ferreira, 1986
| | |
| Species | Orthotylus nigropilosus Lindberg, 1934 ⇒ Orthotylus (Melanotrichus) flavosparsus
| | |
| Species | Orthotylus nocturnus Linnavuori, 1974
| | |
| Species | Orthotylus nubaensis Linnavuori, 1975
| | |
| Species | Orthotylus nymphias Linnavuori, 1974
| | |
| Species | Orthotylus nympias V.Putshkov, 1976
| | |
| Species | Orthotylus obsoletus Fieber, 1861
| | |
| Species | Orthotylus ohia Polhemus, 2011
| | |
| Species | Orthotylus olapa Polhemus, 2011
| | |
| Species | Orthotylus olympicus Matocq, Pagola-Carte & Pluot-Sigwalt, 2018
| | |
| Species | Orthotylus omanensis Linnavuori, 1975
| | |
| Species | Orthotylus oraniensis Reuter, 1899
| | |
| Species | Orthotylus orientalis Poppius, 1915
| | |
| Species | Orthotylus orthotrichus Lindberg, 1962
| | |
| Species | Orthotylus oshanini Carvalho, 1958
| | |
| Species | Orthotylus ovatus Van Duzee, 1916
| | |
| Species | Orthotylus pallidus Meyer-Dur, 1870
| | |
| Species | Orthotylus pamparum Carvalho, 1958
| | |
| Species | Orthotylus paraguaiensis Carvalho & Costa, 1991
| | |
| Species | Orthotylus parallelus Lindberg, 1927
| | |
| Species | Orthotylus parvinotum Lindberg, 1940
| | |
| Species | Orthotylus parvistylus Wagner, 1971
| | |
| Species | Orthotylus pelagicus Kirkaldy, 1909
| | |
| Species | Orthotylus pellucidus Garbiglietti, 1869
| | |
| Species | Orthotylus perkinsi Kirkaldy, 1902
Navajo saltbush | | |
| Species | Orthotylus perrottetiae Polhemus, 2005
| | |
| Species | Orthotylus perrotteticola Polhemus, 2011
| | |
| Species | Orthotylus perrottetiopsis Polhemus, 2005
| | |
| Species | Orthotylus piceicola Knight, 1927
| | |
| Species | Orthotylus pilo Polhemus, 2005
| | |
| Species | Orthotylus pinicola Lindberg, 1953
| | |
| Species | Orthotylus pipturi Polhemus, 2002
| | |
| Species | Orthotylus pipturicola Polhemus, 2011
| | |
| Species | Orthotylus pipturiphila Polhemus, 2011
| | |
| Species | Orthotylus pipturoides Polhemus, 2002
| | |
| Species | Orthotylus pisoniacola Polhemus, 2011
| | |
| Species | Orthotylus pisoniae Polhemus, 2002
| | |
| Species | Orthotylus pisonioides Polhemus, 2002
| | |
| Species | Orthotylus pisoniopsis Polhemus, 2005
| | |
| Species | Orthotylus planatus
| | |
| Species | Orthotylus platensis Carvalho & Fontes, 1973
| | |
| Species | Orthotylus plebejus Poppius, 1914
| | |
| Species | Orthotylus polemon Linnavuori, 1975
| | |
| Species | Orthotylus populi Drapolyuk, 1991
| | |
| Species | Orthotylus priesneri Schmidt, K., 1939
| 1 | Subspecies |
| Species | Orthotylus problematicus Linnavuori, 1953
| | |
| Species | Orthotylus propinquus Reuter, 1883
| | |
| Species | Orthotylus protai Tamanini, 1978
| | |
| Species | Orthotylus prunicola Linnavuori, 1984
| | |
| Species | Orthotylus psalloides Wagner, 1959
| | |
| Species | Orthotylus pseudotantali Polhemus, 2002
| | |
| Species | Orthotylus psychotriae Polhemus, 2002
| | |
| Species | Orthotylus psychotricola Polhemus, 2002
| | |
| Species | Orthotylus psychotrioides Polhemus, 2002
| | |
| Species | Orthotylus pulchellus Reuter, 1874 ⇒ Orthotylus (Melanotrichus) flavosparsus
| | |
| Species | Orthotylus punctatus Noualhier, 1893
| | |
| Species | Orthotylus punctipes Reuter, 1895
| | |
| Species | Orthotylus purgantis Wagner, 1957
| | |
| Species | Orthotylus pussilus Reuter, 1893
| | |
| Species | Orthotylus putshkovi Josifov M., 1974
| | |
| Species | Orthotylus regularis Linnavuori, 1965
| | |
| Species | Orthotylus repandus Linnavuori, 1975
| | |
| Species | Orthotylus retamae Wagner, 1951
| | |
| Species | Orthotylus ricardoi Carvalho, 1988
| | |
| Species | Orthotylus riegeri Heckman, 2000
| | |
| Species | Orthotylus riodocensis Carvalho, 1986
| | |
| Species | Orthotylus riparius Kulik, 1973
| | |
| Species | Orthotylus robineaui Schwartz & Scudder, 2003
| | |
| Species | Orthotylus robustus Linnavuori & Al-Safadi, 1993
| | |
| Species | Orthotylus roppai Carvalho, 1985
| | |
| Species | Orthotylus roseipennis Reuter, 1905
| | |
| Species | Orthotylus rubricatus Jakovlev, 1875
| | |
| Species | Orthotylus rubrocuneatus Linnavuori, 1975
| | |
| Species | Orthotylus rudbaricus Linnavuori, 1997
| | |
| Species | Orthotylus salicis Jakovlev, 1893
| | |
| Species | Orthotylus salivorniae Carvalho, 1958
| | |
| Species | Orthotylus saltensis Carvalho, 1985
| | |
| Species | Orthotylus saundersi Reuter, 1875
| | |
| Species | Orthotylus schoheriae Wagner, 1974
| | |
| Species | Orthotylus scotti Reuter, 1877
| | |
| Species | Orthotylus seabrai Carvalho, 1985
| | |
| Species | Orthotylus selene Linnavuori, 1994
| | |
| Species | Orthotylus senectus Van Duzee, 1916
| | |
| Species | Orthotylus sidnicus Stål, 1859
| | |
| Species | Orthotylus singularis Carvalho & Carpintero, 1992
| | |
| Species | Orthotylus sinopensis Carvalho & Costa, 1990
| | |
| Species | Orthotylus smaragdinus Liu, 2009
| | |
| Species | Orthotylus sophorae Josifov, 1976
| | |
| Species | Orthotylus sophoricola Polhemus, 2011
| | |
| Species | Orthotylus sophoroides Polhemus, 2005
| | |
| Species | Orthotylus sordidus Poppius, 1914
| | |
| Species | Orthotylus spartiicola Reuter, 1904
| | |
| Species | Orthotylus spec Fabricius, 1787 Fabricius, 1787
| | |
| Species | Orthotylus stanleyaea Knight, 1968
| | |
| Species | Orthotylus stitti Knight, 1968
| | |
| Species | Orthotylus strigilifer Linnavuori, 1975
| | |
| Species | Orthotylus striicornis Kirschbaum, 1856
| | |
| Species | Orthotylus striola Kirschbaum, 1856
| | |
| Species | Orthotylus subtropicalis Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus sulinus Carvalho & Wallerstein, 1978
| | |
| Species | Orthotylus sumaloensis Carvalho & Carpintero, 1992
| | |
| Species | Orthotylus symetricus Knight, 1928
| | |
| Species | Orthotylus symphoricarpi Knight, 1968
| | |
| Species | Orthotylus tabescens Stål, 1858
| | |
| Species | Orthotylus tafoensis Kerzhner & Schuh, 1995
| | |
| Species | Orthotylus taksini Yasunaga & Yamada, 2009
| | |
| Species | Orthotylus tamarindi Linnavuori, 1975
| 1 | Subspecies |
| Species | Orthotylus tantali Perkins, 1912
| | |
| Species | Orthotylus tantanus Wagner, 1971
| | |
| Species | Orthotylus terminalis Linnavuori, 1965
| | |
| Species | Orthotylus teutonianus Carvalho & Costa, 1992
| | |
| Species | Orthotylus tibialis Van Duzee, 1916
| | |
| Species | Orthotylus tijucanus Carvalho & Costa, 1990
| | |
| Species | Orthotylus translucens Carvalho, 1958
| | |
| Species | Orthotylus turanicus Reuter, 1883
| | |
| Species | Orthotylus turcmenorum Putshkov V., 1976
| | |
| Species | Orthotylus ulaula Polhemus, 2005
| | |
| Species | Orthotylus ulmi Knight, 1927 ⇒ Blepharidopterus diaphanus
| | |
| Species | Orthotylus unicolor Provancher, 1872
| | |
| Species | Orthotylus urerae Polhemus, 2002
| | |
| Species | Orthotylus ureraphila Polhemus, 2005
| | |
| Species | Orthotylus urericola Polhemus, 2005
| | |
| Species | Orthotylus utahensis Knight, 1968
| | |
| Species | Orthotylus vanettii Carvalho & Ferreira, 1986
| | |
| Species | Orthotylus veraensis Carvalho, 1990
| | |
| Species | Orthotylus vermelhensis Carvalho & Costa, 1992
| | |
| Species | Orthotylus vestitus Uhler, 1890
| | |
| Species | Orthotylus vianai Carvalho & Carpintero, 1992
| | |
| Species | Orthotylus viburni Lindberg, 1953
| | |
| Species | Orthotylus vigilax Van Duzee, 1923
| | |
| Species | Orthotylus viridicatus Uhler, 1895
| | |
| Species | Orthotylus viridipennis Dahlbom, 1851
| | |
| Species | Orthotylus viridipunctatus Reuter, 1899
| | |
| Species | Orthotylus viridissimus Linnavuori, 1961
| | |
| Species | Orthotylus viridulus Knight, 1928
| | |
| Species | Orthotylus vittiger Linnavuori, 1975
| | |
| Species | Orthotylus wallisi Kelton, 1980
| | |
| Species | Orthotylus whiteheadi T.Henry, 1991
| | |
| Species | Orthotylus wileyae Knight, 1927
| | |
| Species | Orthotylus xavantinus Carvalho & Costa, 1990
| | |
| Species | Orthotylus xylosmae Polhemus, 2002
| | |
| Species | Orthotylus xylosmicola Polhemus, 2005
| | |
| Species | Orthotylus xylosmoides Polhemus, 2005
| | |
| Species | Orthotylus zorensis Wagner, 1975
| | |
