Geocoris fedtschenkoi Reuter, 1885g: 212. ST(S): female, Uzbekistan, Tashkent; MZHF.
Geocoris megacephalus var. villosulus Montandon, 1907d: 314 (syn. Péricart, 1999a: 343, suspected). STS: Algeria (Oran, Biskra) and Tunisia (Djebel Mrhila); lost?
Geocoris arenarius var. ictericus Montandon, 1913e: 57 (syn. Kerzhner, 1979c: 61). STS: Turkmenistan, Transcaspia; lost?
Geocoris diversicornis Kiritshenko, 1914b: 408 (syn. Kerzhner, 1979c: 62, with fedtschenkoi). HT: male, Uzbekistan, Termez; ZMAS.
Geocoris arenarius var. lautus Montandon, 1914: 235 (syn. Kerzhner, 1979c: 62, suspected) HT: Egypt, Tourah; lost?
Geocoris arenarius var. falsatus Montandon, 1914: 236 (syn. Kerzhner, 1979c: 62). ST(S): Uzbekistan, Termez; lost?