Heterogaster senecionis Schilling, 1829: 87. ST(S): Silesia; lost. NT (Schmitz & Péricart, 1993: 181): male, Yugoslavia; ISNB.
Nysius graminicola (non Schilling, 1829): Mulsant & Rey, 1878: 176; Puton, 1878c: 15. Misidentifications (according to descriptions; see also Péricart, 1999a: 225).
Nysius gastricus Bergroth, 1920: 4 (syn. Linnavuori, 1989a: 16, with senecionis binotatus). STS: male, female, British East Africa [= Kenya]; NHRS (see note).
?Nysius senecionis aegyptiacus Priesner & Alfieri, 1953: 43 (upgraded to species by Wagner, 1958v: 16; syn. Schmitz & Péricart, 1993: 181, suspected). LT (Schmitz & Péricart, 1993: 181): male, Egypt, Wadi Digla; OLML.