Oxycarenus interruptus Fieber, 1837a: 345. ST(S): Czech Republic, Bohemia, Pragae; lost?
Heterogaster thymi (non Wolff, 1804): Herrich-Schaeffer, 1835a: 13. Misidentification (see J.A. Slater, 1964a: 314).
Heterogaster ericae (non Schilling, 1829): Boheman, 1851: 195. Misidentification (see J.A. Slater, 1964a: 314).
Heterogaster lineatus A. Costa, 1853: 17 (syn. Horváth, 1890: 191). STS: male, female, Italy, nr Naples; lost?
Nysius brunneus Fieber, 1861a: 169 (syn. Puton, 1878c: 17). ST(S): Austria, Niederösterreich; lost?
Nysius obsoletus Fieber, 1861a: 170 (syn. Stål, 1874b: 121). ST(S): Germany; lost?
Nysius scotti Saunders, 1869: 1 (syn. Saunders, 1875a: 233, with brunneus). STS: Great Britain, Hillfield, Reigate Heath; lost?
Nysius punctipes Jakovlev, 1871: 8 (syn. Jakovlev, 1875: 158). ST(S): Russia (ST), nr Astrakhan; lost.
Nysius ochraceus Kiritshenko, 1951a: 171. Nomen nudum.
Nysius helveticus f. ochracea Popov, 1964: 700 (unavailable name; infrasubspecific). STS: Kirgizia, Tadzhikistan and Uzbekistan; ZMAS, ZMUM.