- Taylorilygus divergens (Reuter, 1901)
- Taylorilygus figuratus Linnavuori, 1975
- Taylorilygus maia Linnavuori & Van Harten, 2001
- Taylorilygus morosus Linnavuori, 1975
- Taylorilygus ornaticollis (Reuter, 1908)
- Taylorilygus simonyi (Reuter, 1903)
- Taylorilygus subdivergens Linnavuori, 1974
- Tectocoris diophthalmus (Thunberg, 1783)
- Telmatotrephes chinensis Lansbury, 1972
- Teloleuca altaica Vinokurov, 2009
- Teloleuca bifasciata (Thomson, 1871)
- Teloleuca branczikii (Reuter, 1891)
- Teloleuca kusnezowi Lindberg, 1934
- Teloleuca pellucens (Fabricius, 1779)
- Temnostethus (Ectemnus) reduvinus (Herrich-Schaeffer, 1850)
- Temnostethus (Ectemnus) reduvinus mesasiaticus Elov & Kerzhner, 1977
- Temnostethus (Ectemnus) reduvinus mongolicus Elov & Kerzhner, 1977
- Temnostethus (Ectemnus) reduvinus parilis (Horváth, 1891)
- Temnostethus (Ectemnus) reduvinus reduvinus (Herrich-Schaeffer, 1850)
- Temnostethus (Ectemnus) ulmi Elov & Kerzhner, 1977
- Temnostethus (Montandoniella) dacicus (Puton, 1888)
- Temnostethus (Temnostethus) distans Kerzhner, 1973
- Temnostethus (Temnostethus) gracilis Horváth, 1907
- Temnostethus (Temnostethus) longirostris (Horváth, 1907)
- Temnostethus (Temnostethus) lunula Wagner, 1952
- Temnostethus (Temnostethus) pusillus (Herrich-Schaeffer, 1835)
- Temnostethus (Temnostethus) tibialis Reuter, 1888
- Temnostethus (Temnostethus) wichmanni Wagner, 1961
- Temnostethus Fieber, 1860
- Tempereocoris cerdanicus Péricart, 1995
- Tempyra biguttula Stål, 1874
- Tenagogonus kuiterti Hungerford & Matsuda, 1958
- Tenagovelia sjostedti Kirkaldy, 1908
- Tenerva Cachan, 1952
- Tenosius proletarius (Schaum, 1853)
- Teracrius namaquensis Stål, 1858
- Teratocoris antennatus (Boheman, 1852)
- Teratocoris caricis Kirkaldy, 1909
- Teratocoris coriaceus Vinokurov, 1995
- Teratocoris depressus Kerzhner, 1979
- Teratocoris paludum J. Sahlberg, 1870
- Teratocoris saundersi Douglas & Scott, 1869
- Teratocoris saundersi saundersi Douglas & Scott, 1869
- Teratocoris saundersi unicolor Wagner, 1965
- Teratocoris tagoi Yasunaga & Schwartz, 2012
- Teratocoris ussuriensis Kerzhner, 1988
- Teratocoris viridis Douglas & Scott, 1867
- Teratoscopus Fieber, 1861
- Termatophylum aeneum Nakatani, 1997
- Termatophylum ehsanae Linnavuori & Van Harten, 2002