Lygus Hahn, 1833: 147. Type species by designation under the plenary powers (Opinion 667/1963): Cimex pratensis Linnaeus, 1758. Placed on the Official List of Generic Names (Opinion 667/1963).
Poecilosoma Stephens, 1829b (1.VI): 65; 1829a (15.VII): 346 (junior homonym of Poecilosoma Hübner, 1820, Lepidoptera). Type species by subsequent designation (China, 1943: 258): Cimex pratensis Linnaeus, 1758.
Exolygus Wagner, 1949b: 37 (as of Lygus). Type species by original designation: Cimex pratensis Linnaeus, 1758. Placed on the Official Index of Rejected and Invalid Generic Names (Opinion 667/1963).
Liocoris (part.): Kelton, 1955a: 285; 1955b: 537. See discussion by Wagner (1957k).