Lygaeus claviculus Fallén, 1807: 64. STS: male, female, Sweden, Skåne, Esperöd; lost?
Lygaeus caricis Zetterstedt, 1828: 473 (syn. Hahn, 1832: 77). STS: Sweden; MZLU?
Cymus aridellus Reuter, 1875a: 560 (syn. Horváth, 1875b: 27). For claviculus sensu Hahn, 1832. STS: Finland; MZHF?