Dionconotus neglectus f. confluens Hoberlandt, 1945: 130 (upgraded by Carapezza & Kerzhner, 1996: 309). STS: male, female, Greece, Veluchi, Pindus Mts; NMPC.
Capsus neglectus Herrich-Schaeffer, 1836b: 82 (junior secondary homonym of Lygaeus neglectus Fabricius, 1798; syn. Carapezza & Kerzhner, 1996: 309). ST(S): Italy?, bei Triest; lost.
Dionconotus neglectus f. ienisteai Sienkiewicz, 1960: 407. STS: female, Romania, nr Sinaia; MGAB.