Cimex crassicornis Linnaeus, 1758: 448. LT (Göllner-Scheiding, 1975: 9): female, Europe; LSUK.
Cimex alatus O.F. Müller, 1776: 106 (syn. Reuter, 1888a: 170). ST(S): Denmark; lost.
Coreus cellulatus Brullé, 1832: 72 (syn. Reuter, 1888a: 170). STS: Greece (Morea) and France (Paris). #Coreus panzeri Dufour, 1833a: 166 (syn. A. Costa, 1843a: 30). STS: France.
Rhopalus crassicornis var. griseus Fieber, 1861a: 233. ST(S): Europe.
Rhopalus crassicornis var. maculatus Fieber, 1861a: 234. ST(S): Europe.
Corizus crassicornis var. pictus Horváth, 1878a: 76 (junior secondary homonym of Rhopalus abutilon var. pictus Fieber, 1861). HT: male, Azerbaijan, Baku Prov.
Corizus abutilon var. umbrinus Rey, 1887a: 2 (syn. Rey, 1888a: 98, as var. of crassicornis). ST(S): France.
Corizus crassicornis var. anticus Rey, 1888a: 97.
Corizus crassicornis var. maculicollis Rey, 1888a: 97.
Stictopleurus mixtus Ribaut, 1921b: 308 (syn. Lindberg, 1925: 3). LT (Moulet, 1991b: 61): male, France, Saint-Béat; MNHN.
Stictopleurus crassicornis f. immaculata Tamanini, 1951d: 88. HT: Italy, Rovereto; MCRI.
Stictopleurus crassicornis f. virgata Stichel, 1960a: 431. New name for var. pictus Horváth, 1878.